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JOURNALS
European Journal of Orthodontics
Long term effects of orthodontic magnets on human buccal mucosa - a clinical, histological and immunohistochemical study
L. Bondemark, J. Kurol, Å. Larsson, Hasslehom and Centre of Oral Health Sciences, Malmö, Sweden (1998; 20: 211-218).
White spot formation under orthodontic bands cemented with glass ionomer with or without Fluor Protector®
R. P. van der Linden and L. R. Dermaut, University of Gent, Belgium (1998; 20: 219-224).
Therapeutic changes in extraction versus non-extraction orthodontic treatment
N. A. Saelens and A. A. De Smit, Free University of Brussels, Belgium (1998; 20: 225-236).
Cephalometric and occlusal changes following maxillary expansion and protraction
P. Ngan, C. Yiu, A. Hu, U. Hägg, S. H. Y. Wei, E. Gunel, West Virginia University, U.S.A., The University of Hong Kong (1998; 20: 237-254).
Comparison of dental arch and arch perimeter changes between bonded rapid and slow maxillary expansion procedures
S. Akkaya, S. Lorenzon, T. T. Üçem, Gazi University, Ankara, Turkey (1998; 20: 255-261).
Third molar impaction in extraction cases treated with the Begg technique
D. Erdem, E. Özdiler, U T Memikog
lu, E Bas
pinar, University of
Ankara, Turkey (1998, 20: 263-270).
The use of the Jasper Jumper for the correction of Class II malocclusion in the young permanent dentition
N. Stucki and B. Ingervall, University of Bern, Switzerland (1998; 20: 271-281).
Frictional forces related to self-ligating brackets
L. Pizzoni, G. Ravnholt, B. Melsen, University of Milano, Italy, Aarhus University, Denmark (1998; 20: 283-291).
Effect of two types of mandibular advancement splints on snoring and obstructive sleep apnoea
J. Lamont, D. R. Baldwin, K. D. Hay, A. G. Veale, University of Otago, Auckland Hospital, New Zealand, Nottingham City Hospital, U.K. (1998; 20: 293-297).
Bilateral alveolar bone grafting: a report of 55 consecutively-treated patients
Y. L. Jia, D. R. James, M. Mars, Great Ormond Street Hospital for Children, U.K. (1998; 20: 299-307).
A retrospective comparison of functional appliance treatment of Class III malocclusions in the deciduous and mixed dentitions
T. Baccetti and I. Tollaro, University of Florence, Italy (1998; 20: 309-317).
Orthodontic care from the patient's perspective: perceptions of 27-year-olds
K. Bergström, A. Halling, B. Wilde, Karolinska Institute, University of Linköping, Centre for Public Health Research, Karlstad, Sweden, (1998; 20: 319-329).
Reproducibility of cephalometric landmarks on conventional film, hardcopy, and monitor-displayed images obtained by the storage phosphor technique
W. Geelen, A. Wenzel, E. Gotfredsen, M. Kruger, L. G. Hansson, Royal Dental College Aarhus University, Denmark, University Hospital of Lund, Sweden (1998; 20: 331-340).
Biomechanical effects of rapid maxillary expansion on the craniofacial skeleton, studied by the finite element method
H. Ieri, A. E. Tekkaya, Ö. Öztan, S. Bilgiç, University of
Ankara, Middle East Technical University, Ankara, Turkey (1998; 20: 347-356).
Enhanced angiogenesis induced by diffusible angiogenic growth factors released from human dental pulp explants of orthodontically moved teeth
K. A. Derringer, R. W. A. Linden, Kings College London, U.K. (1998; 20: 357-367).
Bone scintigraphy of human temporomandibular joints during Herbst treatment: a case report
H. U. Paulsen, A. Rabøl, S. Sørensen, Copenhagen Municipal Dental Health Service, Aarhus University, The National University Hospital, Denmark (1998; 20: 369-374).
Temporomandibular joint growth adaptation in Herbst treatment: a prospective magnetic resonance imaging and cephalometric roentgenographic study
S. Ruf, H. Pancherz, University of Giessen, Germany (1998; 20: 375-388).
The initial effects of the treatment of Class II, division 1 malocclusions with the van Beek activator compared with the effects of the Herren activator and an activator-headgear combination
E. Altenburger, B. Ingervall, University of Bern, Switzerland (1998; 20: 389-397).
Assessment of dental and facial aesthetics in adolescents
E. A. Al Yami, A. M. Kuijpers-Jagtman, M. A. Van't Hof, University of Nijmegen, The Netherlands (1998; 20: 399-405).
Psychological aspects of cleft lip and palate
S. R. Turner, N. Rumsey, J. R. Sandy, Bristol University Dental School, University of the West of England, U.K. (1998; 20: 407-415)
Short stature of prenatal origin: craniofacial growth and dental maturation
R. Van Erum, M. Mulier, C. Carels, F. de Zegher, University of Leuven, Belgium (1998; 20: 417-425).
Apical root resorption during orthodontic treatment of patients with multiple aplasia: a study of maxillary incisors
E. Levander, O. P. Malmgren, K. Stenback, Eastmaninstitutet, Stockholm, Karolinska Institutet, Sweden (1998; 20: 427-434).
Changes in proteoglycan and collagen content in the mandibular condylar cartilage of the rabbit caused by an altered relationship between the condyle and glenoid fossa
T. Kantomaa, P. Pirttiniemi, University of Oulu, Finland (1998; 20: 435-441).
The sella turcica in children with lumbosacral myelomeningocele
I. Kjaer, A. Wagner, P. Madsen, S. Blichfeldt, K. Rasmussen, B. Russell, University of Copenhagen, National University Hospital, Odense University, Copenhagen County Dental Clinic for Handicapped, Denmark (1998; 20: 443-448).
Cephalometric analysis of changes in occlusal relationship
D. J. Halazonetis, Athens, Greece (1998; 20: 449-461).
REVIEW
Cephalometric and occlusal changes following maxillary expansion and protraction
P. Ngan, C. Yiu, A. Hu, U. Hägg, S. H. Y. Wei, E. Gunel, West Virginia University, U.S.A., University of Hong Kong (1998; 20: 237-254).
What questions are they asking? What are the cephalometric and occlusal changes associated with rapid maxillary expansion in conjunction with protraction headgear in a sample of Chinese subjects with skeletal Class III malocclusion.
How did they answer those questions? Prospective study of 20 patients with cephalometric records taken pre-treatment, 6 months after treatment, and 2 years after removal of appliances. Study casts of 16 patients were obtained 6 months before treatment, immediately before treatment, 6 months after treatment, and 1 year after removal of appliances. These were compared with an age- and sex-matched control group who received no treatment over a comparable time period. The mean age at start of treatment was 8.4 years and the mean treatment time was just over 8 months.
What were their results? Immediately after treatment, there was a mean increase of SNA of 1.6 degrees and a decrease of SNB of -1.5° compared with a mean decrease of -0.1° and an increase of 0.2° respectively in the control group. The overjet changed by 5 mm (from -2 to +3 mm) and the overbite reduced from 2 mm to just under 1 mm. The equivalent figures for the control group were -0.1 and 0.7 mm, respectively. There were increases of approximately 1.5 mm in transverse maxillary arch width 1 year after appliance removal compared with pretreatment measurements, but a reduction of arch length and no change in arch perimeter. There were much greater increases in mandibular arch width (2 <2.5 mm) over the same time period, but also a net reduction of arch perimeter.
What is the message of this paper? Early treatment to correct a Class III malocclusion using rapid maxillary expansion and protraction headgear appears to be successful in the short term. The follow-up period is too short to cover the adolescent growth spurt when much of the early success may be lost.
Conclusions. It is a pity that the authors could not have obtained study casts for the control group, and co- ordinated the timing of record collection. Nevertheless, it is an instructive study. The application of these findings to a Caucasian population must remain in doubt.
The Angle Orthodontist
Orthodontics and the temporomandibular joint: where are we now? Part 1. Orthodontic treatment and temporomandibular disorders
F. Luther, Leeds Dental Institute, U.K. (1998, 68: 295-304).
Orthodontics and the temporomandibular joint: where are we now? Part 2. Functional occlusion, malocclusion and TMD
F. Luther, Leeds Dental Institute, U.K. (1998, 68: 305-318).
Characteristics of headgear release mechanisms: Safety implications
G. D. Stafford, A. A. Caputo, P. K. Turley, University of California, U.S.A. (1998; 68: 319-326).
Oropharyngeal airway dimensions and functional-orthopedic treatment in skeletal Class II cases
M. M. Özbek, T. U. T. Memikoglu, H. Gögen, A. A. Lowe, E.
Baspinar, University of Ankara, Turkey, University of British Columbia, Canada (1998;
68: 327-336)
Improved orthodontic bonding to silver amalgam. Part 2. Lathe-cut, admixed, and spherical amalgams with different intermediate resins
T. Büyükyilmaz, B. U. Zachrisson, University of Oslo, Norway (1998; 68: 337-344).
Comparative laboratory investigation of dual-cured vs. conventional glass ionomer cements for band cementation
D. T. Millett, K. Kamahli, J. McColl, University of Glasgow, U.K. (1998; 68: 345-350).
A 5-year clinical review of bond failure with a light-cured resin adhesive.
D. T. Millett, A. Hallgren, D. Cattanach, R. McFadzean, J. Pattison, M. Robertson, J. Love, University of Glasgow, U.K (1998; 68: 351-356).
The effect of temperature on the elastic responses to longitudinal torsion of rectangular nickel titanium archwires
T. R. Meling, J. Ødegaard, Oslo, Norway, University of Hamburg, Germany (1998; 68: 357-368).
The effect of short-term temperature changes on the mechanical properties of rectangular nickel titanium archwires tested in torsion
T. R. Meling, J. Ødegaard, Oslo, Norway, University of Hamburg, Germany (1998; 68: 369-376).
Orthodontic treatment of Class II Division 1 malocclusion in a patient with achondroplasia
T. Ohba, Y. Ohba, S. Tenshin, T. Takano-Yamamoto, Tokushima University, Okayama University, Japan (1998; 68: 377).
The role of computerised video imaging in predicting adult extraction treatment outcomes
T. N. Le, G. T. Sameshima, J. E. Grubb, P. M. Sinclair, University of Southern California, U.S.A. (1998; 68: 391-400).
An evaluation of two VTO methods
L. B. Sample, L. Sadowsky, E. Bradley, University of Alabama, U.S.A. (1998; 68: 401-408).
Mandibular morphology in subjects with Class III malocclusions: finite-element morphometry
G. D. Singh, J. A. McNamara, S. Lozanoff, University of Dundee, UK, University of Michigan, University of Hawaii, U.S.A. (1998; 68: 409-418).
Electromyographic investigation of chin cup therapy in Class III malocclusion
T. Deguchi, K. Iwahara, Matsumoto Dental College, Japan (1998; 68: 419-424).
Case report KY: functional analysis of a follow-up chin cup patient with TMJ pain
T. Deguchi, S. Uematsu, H. Mimura, Matsumoto Dental University, Japan (1998; 68: 425-430).
Longitudinal changes in Class I subjects with moderate mandibular skeletal protrusion
A. T. Karlsen, Stjordal, Norway (1998; 68: 431-438).
Occlusal outcome of orthodontic treatment
E. A. Al Yami, A. M. Kuijpers-Jagtman, M. A. van't Hof, University of Nijmegen, Netherlands (1998; 68: 439-444).
Genetic influence on dental arch form in orthodontic patients
K. M. Cassidy, E. F. Harris, E. A. Tolley, R. A. Keim, University of Tennessee, U.S.A. (1998; 68: 445-454).
Mandibular lateral incisor-canine transposition, concomitant dental anomalies and genetic control
S. Peck, L. Peck, M. Kataja, Harvard School of Dental Medicine, U.S.A., National Public Health Institute, Finland (1998; 68: 455-466).
A genetic study of anteroposterior and vertical facial proportions using model-fitting
I. Savoye, R. Loos, C. Carels, C. Derom, R. Vlietinck, Catholic University of Leaven, Belgium (1998; 68: 467-470).
Tooth rotation associated with aplasia of nonadjacent teeth
T. Baccetti, University of Florence, Italy (1998; 68: 471-474).
Canine transposition in prehistoric Pakistan: Bronze Age and Iron Age case reports
J. R. Lukacs, University of Oregon, U.S.A.(1998; 68: 475-480).
REVIEW
Longitudinal changes in Class I subjects with moderate mandibular skeletal protrusion
A. T. Karlsen, Stjordal, Norway (1998; 68: 431-438).
What questions is he asking? What changes occur over the growth period to subjects who have Class I molar relationships, and either Class I or Class III skeletal relationships.
How did he answer those questions? Use of the Oslo Growth cephalometric records of 12 female subjects who demonstrated Class I molar and skeletal relationships at age 6 years, compared with 12 female subjects who demonstrated Class I molar and Class III skeletal relationships at 6 years. These subjects were followed through to the age of 18 years. Cephalometric analysis was based mainly on sagittal linear measurements parallel to the Frankfort plane.
What were his results?Six measurements were consistently associated with statistically significant differences between the two groups at all stages between 6 and 18 years of age. These all suggest that the problem is a large mandible with a reduced mandibular plane angle.
What is the message of this paper? For this particular group of subjects, the situation that exists at age 6 years will remain. None of the Class I molar and skeletal 6-year-olds became Class III, and none of the Class III 6-year-olds changed from being Class III.
Conclusions. Lots of unanswered questions here. The groups were deliberately chosen to exclude those who received orthodontic treatment, hence the Class III group have (presumably) only a mild manifestation of the problem, and are essentially `co-ordinated growers'. The results are not, therefore, surprising. Of greater value would have been a look at those in the growth study who ended up with severe skeletal problems, and try and identify good predictors of this tendency at an early age.
American Journal of Orthodontics and Dentofacial Orthopedics
Esthetic soft tissue profile preferences among the Japanese population
T. Mantzikos, Connecticut, U.S.A. (1998; 114: 1-7).
Diurnal variation in tooth movement in response to orthodontic force in rats
K. Igarashi, K. Miyoshi, H. Shinoda, S. Saeki, H. Mitani, Tohoku University School of Dentistry, Japan (1998; 114: 8-14).
Treatment effects of the twin block appliance: a cephalometric study
C. M. Mills, K. J. McCulloch, University of British Columbia, Canada and University of Washington, U.S.A. (1998; 114: 15-24).
Interdental bone changes after orthodontic treatment: a 5 year longitudinal study
L. Bondemark. Hässlehom, Sweden (1998; 114: 25-31).
Clinical comparison and performance perspective of three aligning arch wires
T. J. W. Evans, M. L. Jones, R. G. Newcombe, University of Wales College of Medicine, U.K. (1998; 114: 32-39).
Skeletal and dental modifications produced by the Bionator III appliance
G. Garattini, L. Levrini, P. Crozzoli, A. Levrini, University of Milan and University of Pavia, Italy (1998; 114: 40-44).
Comparative study of electric and manual toothbrushes in patients with fixed orthodontic appliances
P. Heasman, Z. Wilson, I. Macgregor, P. Kelly, University of Newcastle upon Tyne and University of Teesside, U.K. (1998; 114: 45-49).
Changing number and distribution of orthodontists: 1987-1995
H. B. Waldman, SUNY at Stony Brook, U.S.A. (1998; 114: 50-54).
Treatment of a Class II, Division 2 malocclusion with one congenitally missing and one malformed lateral incisor and a palatally impacted maxillary canine
J. R. Wilson, University of Washington, U.S.A. (1998; 114: 55-59).
Nonsurgical treatment of a Class III malocclusion with maxillary skeletal retrusion using rapid maxillary expansion and reverse pull headgear
L. Fogle, S. S. Law, M. Mosling, D. Kinser, University of Iowa, U.S.A. (1998; 114: 60-65).
Distal movement of the maxillary molars
A. A. Gianelly, Boston University, U.S.A. (1998; 114: 66-72).
A clinical study of a space closure with nickel-titanium closed coil springs and an elastic module
R. H. Samuels, S. J. Rudge, L. H. Mair, Glenfield Hospital and University of Liverpool, U.K. (1998; 114: 73-79).
Evaluation of a new light-cured orthodontic bonding adhesive
S. E. Bishara, M. E. Olsen, P. Damon and J. R. Jakobsen, University of Iowa, U.S.A. (1998; 114: 80-87).
Longitudinal dental arch changes in adults
G. A. Carter, J. A. McNamara, Jr, University of Michigan, U.S.A. (1998; 114: 88-99).
Does orthodontic proclination of lower incisors in children and adolescents cause gingival recession?
S. Ruf. K. Hansen, H. Pancherz, University of Giessen, Germany and University of Malmö, Sweden (1998; 114: 100-106).
Rapid palatal expansion. Part 3. Strains developed during active and retention phases
T. Brosh, A. Dan Vardimon, C. Ergatudes, A. Spiegler, M. Lieberman, Tel Aviv University, Israel (1998; 114: 123-133).
The HLD (CalMod) index and the index question.
W. S. Parker, University of California, U.S.A. (1998; 114: 134-141).
Opening rotations of the mandible during and after treatment
M. J. Ryan, B. J. Schneider, E. A. BeGole, Z. F. Muhl, University of Illinios, U.S.A. (1998; 114: 142-149).
Effects of various methods of chlorhexidine application on shear bond strength
S. E. Bishara, L. Vonwald, J. Zamtua, P. L. Damon, University of Iowa, U.S.A. (1998; 114: 150-153).
Upper dental arch morphology of adult unoperated complete bilateral cleft lip and palate
O. G. da Silva Filho, F. M. de Castro Machado, A. C. de Andrade, J. A. de Souza Freitas, S. E. Bishara, Universidade de São Paulo, Brazil and University of Iowa, U.S.A. (1998; 114: 154-161).
Comparison of surface-treated and untreated orthodontic bands: evaluation of shear force and surface roughness
R. A. Penna, F. Mante, B. D. Huey, J. Ghafari, University of Pennsylvania, U.S.A. (1998; 114: 162-165).
Class II Division 2 deep overbite malocclusion correction with nonextraction therapy and Class II elastics.
S. L. Ferreira, Columbia University, U.S.A. (1998; 114: 166).
Facial balance and harmony: an attainable objective for the patient with a high mandibular plane angle
H. A. Klontz. Oklahoma, U.S.A. (1998; 114: 176-188).
Non surgical correction of a skeletal Class II, Division 1, malocclusion with bilateral crossbite and anterior open bite
R. Sabri. Beirut, Lebanon (1998; 114: 189).
Report of four familial cases with congenitally missing mandibular incisors
G. V. Newman, R. A. Newman, New York University, U.S.A (1998; 114: 195-207).
Changes in the Caucasian male facial profile as depicted in fashion magazines during the twentieth century
D. D. Nguyen, P. K. Turley, University of California, U.S.A (1998; 114: 208-217).
Mesh diagram cephalometric norms for Americans of African descent
K. L. Bailey, R. W. Taylor, University of Alabama, U.S.A (1998; 114: 218-223).
Assessment of biological changes in a nonorthodontic sample using the PAR index
E. A. Al Yami, A. M. Kuijpers-Jagtman, M. A. van't Hof, University of Nijmegen, The Netherlands (1998; 114: 224-228).
Effect of an acidic primer on shear bond strength of orthodontic brackets
S. E. Bishara, V. V. Gordan, L. VonWald, M. E. Olson, University of Iowa, University of Florida, and Indiana University, U.S.A (1998; 114: 243-247).
Lateral cephalometric analysis of asymptomatic volunteers and symptomatic patients with and without bilateral temporomandibular joint disk displacement
J. A. Bosio, J. G. Burch, R. H. Tallents, D. B. Wade, F. M. Beck, Ohio State University and Eastment Dental Center, U.S.A. (1998; 114: 248-255).
Ideal arch force systems: a center-of-resistance perspective
D. J. Halazonetis, Athens, Greece (1998; 114: 256-264).
A comparative study of facial profiles in extraction and nonextraction treatment
R. D. James, Oklahoma City, U.S.A. (1998; 114: 265-276).
Force distribution of the temporomandibular joint and temporal bone surface subjected to the head-chincup force
T. Deguchi, Matsumoto Dental College, Japan (1998; 114: 277-282).
Multivariate prediction of skeletal Class II growth
D. J. Rudolph, S. E. White, P. M. Sinclair, University of California at Los Angeles, U.S.A. (1998; 114: 283-291).
Reactions of peri-implant tissues to continuous loading of osseointegrated implants
N. Akin-Nergiz, I. Nergiz, N. Arpak, W. Niedermeier, University at Cologne, University of Hamburg, Germany, University of Ankara, Turkey (1998; 114: 292-298).
Retention and stability: a review of the literature
M. Blake, K. Bibby, Dublin Dental Hospital, Ireland and British Columbia, Canada (1998; 114: 299-306).
A significant transverse discrepancy: a case with a high mandibular plane angle, a severe maxillary arch length deficiency and significant transverse discrepancy
S. L. Cureton, Fort Gordon, U.S.A. (1998; 114: 307-310).
Correlation between cortical plate proximity and apical root resorption
A. Horiuchi, H. Hotokezaka, K. Kobayashi, Nagasaki University, Japan (1998; 114: 311-318).
Dental and skeletal changes after intraoral molar distalization with sectional jig assembly
S. Gulati, O. P. Kharbanda, H. Parkash, All India Institute of Medical Sciences, India (1998; 114: 319-327).
Correlations between condylar characteristics and facial morphology in Class II preadolescent patients
G. Burke, P. Major, K. Glover, N. Prasad, University of Alberta, Canada (1998; 114: 328-336).
Individual growth in Class III malocclusions and its relationship to the chin cap effects
H. Ishikawa, S. Nakamura, C. Kim, H. Iwasak, Y. Satoh, S. Yoshida, Hokkaido University, Japan (1998; 114: 337-346).
REVIEW
Individual growth in Class III malocclusions and its relationship to the chin cup effects.
H. Ishikawa, S. Nakamura, C. Kim, H. Iwasaki, Y. Satoh, S. Yoshida, Hokkaido University, Japan (1998, 114: 337-346).
What questions are they asking? What are the growth characteristics (amount, direction and timing) of the maxilla and mandible in Japanese Class III malocclusion subjects.
How did they answer those questions?Serial cephalometric examination from age 8 years to 14 years (which included the adolescent growth spurt) of six subjects of undisclosed gender enrolled in the Hokkaido University Dental School Craniofacial Growth Study.
What were their results? The results showed that the timing of changes in ANB varied in relation to the onset of pubertal growth. For most the bulk of the changes occurred prior to puberty, and then stayed constant or decreased only slightly. The authors state that in these cases, the maxilla was restrained in its growth by the negative overjet, and when this was released by mandibular growth (thereby increasing the negative overjet) the maxilla responded by catching up.
Direction and amount of growth was described as the angle between a line joining two successive readings of either A or B point and the sella-nasion plane, and the distance between the two readings of A or B point respectively. Based on an earlier study that was published in the Hokkaido Journal of Dental Science, 5 different morphological groups of Class III craniofacial patterns can be described, one of which is favourable for chin-cup therapy, two of which are unfavourable, and two of which have a marginal effect. The results of this study suggested that five out of the six subjects would have responded well to chin-cup therapy, whereas one subject, with a strong forward mandibular growth pattern would have been unsuitable.
What is the message of this paper? Prediction of Class III growth is complex and prediction of those cases that will respond favourably or unfavourably to treatment is even more complex.
Conclusions. The growth patterns of Japanese and Caucasian populations may not be similar, but anything that helps us to understand these challenging problems must be welcome.
International Journal of Adult Orthodontics and Orthognathic Surgery
Prevalence of malocclusion and orthodontic treatment need in the United States: estimates from the NHANES III survey
W. R. Proffit, H. W. Fields, Jr, L. J. Moray, University of North Carolina, Ohio State University, U.S.A. (1998; 13: 97-106).
Expectations and perceptions regarding treatment: a prospective study of patients undergoing orthognathic surgery
H. Forssell, K. Finne, K. Forssell, K. Panula, L. M. Blinnikka, Turku University Central Hospital, Vaasa Central Hospital, Finland (1998; 13: 107-113).
A comparison of patients requiring orthognathic treatment who subsequently refused or accepted surgery
J. D. Kindelan, C. E. Sheard, R. R. Nashed, Leeds Dental Institute, Queens Medical Centre, Nottingham, UK (1998; 13: 115-118).
Postoperative migration of the osteotomy segment stabilized by titanium miniplate osteosynthesis following Le Fort I osteotomy: an X-ray stereometric study
G. Wall, G. Dahlberg, B. Rosenquist, Uppsala and Lund, Sweden (1998; 13: 119-129).
Stability after inferior or anterior maxillary repositioning by Le Fort I osteotomy: a biplanar stereocephalometric study
K. W. Gurstein, A. H. Sather, K. N. An, B. E Larson. Mayo Clinic and Mayo Foundation, U.S.A. (1998; 13: 131-143).
Relationship between disc displacement and morphologic features of skeletal Class III malocclusion
T. Muto, J. Kawakami, M. Kanazawa, H. Ishii, S. Uga, K. Yokoyama, M. Takeuchi, University of Hokkaido, Japan (1998; 13: 145-151).
Simultaneous rhinoplasty and maxillomandibular osteotomies: indications and contraindications
P. Ronchi, M. Chiapasco, S. Anna Hospital, Como and University of Milan, Italy (1998; 13: 153-161).
Use of selectively colored stereolithography for diagnosis of impacted supernumerary teeth for a patient with cleidocranial dysplasia
K. Sato, J. Sugawara, H. Mitani, H. Kawamura, Tohoku University, Japan (1998; 13: 163-167).
Laboratory evaluation of adhesively crimped surgical ball hooks
J. T. Griffin, J. L. Ferracane, St James Hospital, Dublin, Ireland and Oregan Health Sciences University, U.S.A. (1998; 13: 169-175).
Modification of sagittal split ramus osteotomy to avoid unfavourable fracture around impacted third molars
I. M. Marquez, J. P. Stella. Fort Worth, U.S.A. (1998; 13: 183-187).
Stability of mandibular incisor decompensation in orthognathic patients
L. Y. Lim, S. J. Cunningham, N. P. Hunt, Eastman Dental Institute, U.K. (1998; 13: 189-199).
Miniscrews as orthodontic anchorage: a preliminary report
A. Costa, M. Raffaini, B. Melsen, University of Parma, Italy. Aarhus University, Denmark (1998; 13: 201-209).
Reliability of soft tissue references for anteroposterior measurement of dental bases
V. F. Ferrario, C. Sforza, G. Serrao, D. Colombo, V. Ciusa, N. Bignotto, University of Milan, Italy (1998; 13: 210-216).
Three-dimensional computer-graphic demonstration of facial soft tissue changes in mandibular prognathic patients after mandibular sagittal ramus osteotomy
P. Techalertpaisarn, T. Kuroda, Tokyo Medical and Dental University, Japan (1998; 13: 217-225).
Craniofacial heterogeneity of prepubertal Korean and European-American subjects with Class III malocclusions: Procrustes, EDMA, and cephalometric analyses
G. D. Singh, J. A. McNamara Jr, S. Lozanoff, University of Dundee, UK, University of Michigan, University of Hawaii, U.S.A. (1998; 13: 227-240).
Distraction osteogenesis of the mandible with a modified intraoral appliance: a pilot study in miniature pigs
D. P. Holzhauer, P. E.Larsen, M. Miloro, K.W L. Vig, Ohio State University, U.S.A. (1998; 13: 241-247).
Techniques for achieving three-dimensional positioning of the maxilla applied in conjunction with the Göttingen concept.
R. Schwestka-Polly, D. Kubein-Meesenburg, H. G. Luhr, Georg-August University, Germany (1998; 13: 248-258).
REVIEW
Craniofacial heterogeneity of prepubertal Korean and European-American subjects with Class III malocclusions: Procrustes, EDMA, and cephalometric analyses
G. D. Singh, J. A. McNamara, S. Lozanoff, University of Dundee, U.K., University of Michigan, University of Hawaii, U.S.A. (1998, 13: 227-240).
What questions are they asking? Are there cephalometric differences between a group of untreated Korean subjects and European-American subjects with Class III malocclusion.
How did they answer those questions? Cephalometric tracings of 73 pretreatment European-Americans and 69 Koreans aged between 5 and 11 years were measured and compared for significance of difference of 26 linear and 16 angular values.
What were their results? There were highly statistically significant differences between most of the linear and angular values. These suggested that there are differences in cranial base, midface, and mandibular measurements between Koreans and European- Americans. (For those who like to know these things, Procrustes analysis is a nodal geometric analysis, and EDMA is Euclidian Distance Matrix Analysis.) The cranial base and midface was larger in European-Americans, but Koreans had larger mandibles.
What is the message of this paper? In view of the structural differences in the Asian and Caucasian face, it is inappropriate to apply Western normal values and, probably, treatment mechanics to Asian faces.
Conclusions. I am not sure what a paper on 5-11-year-olds is doing in an adult orthodontic journal.
Journal of Clinical Orthodontics
Orthodontic management of a dilacerated maxillary central incisor with an unusual sequela
T. McNamara, S. N. Woolfe, C. M. McNamara. Dublin, Ireland (1998, 32: 293-297).
Bond strengths of two resin-modified glass polyalkenoate cements under different surface conditions
A. Béress, A. H. L. Tjan, W. L. Schlenker. T. Wongsrimongkol, Loma Linda University, U.S.A., Kiel, Germany, University of Khon Khen, Thailand (1998, 32: 299-302).
Orthodontic marking pencils: a potential source of cross contamination
F. Ascencio, H. H Langkamp, S. Agarwal, J. A. Petrone, N. P. Piesco, University of Pittsburgh School of Dental Medicine, U.S.A. (1998, 32: 307-310).
Bonded acrylic lingual biteplanes
R. Madsen. University of Chile (1998, 32: 311-317).
The lingual pearl
A. Korrodi Ritto, P. Leitao, Leiria and Lisbon University, Portugal (1998, 32: 318-327).
A quick and easy diagnostic set up technique
M. D. Wilson, P. K. Sinha, H. S. Prasad, University of Oklahoma College of Dentistry, U.S.A. (1998, 32: 328-329).
A practical approach to presurgical orthodontic preparation
M. Woods, D. Wiesenfeld, University of Melbourne, Australia (1998, 32: 350-358).
Samir E. Bishara on growth and orthodontic treatment.
University of Iowa, U.S.A. (1998, 32: 361-367).
A safer debonding/debanding technique
B. C. Koo, C. H. Chung, University of Pennsylvania, U.S.A. (1998, 32: 374-375).
Modified arrowhead clasps for removable biteplanes
P. A. Banks, G. Carmichael, Burnley General Hospital, UK (1998, 32: 377-378).
The mandibular protraction appliance No 3
C. M. C. Filho, Maranhao, Brazil (1998, 32: 379-384).
Osseointegrated implants for maximum orthodontic anchorage
A. R. Mazzocchi, S. Bernini, Bergamo, Italy (1998, 32: 412-415).
Use of light-cured composite for bonding mandibular lingual retainers
R. M. Port, Illinois, U.S.A. (1998, 32: 416).
Orthodontic traction of a permanent canine through a secondary bone graft in a unilateral cleft lip and palate patient
O. G. da Silva Filho, H. Y. Okada, L. C. Filho, R. M. Suguimoto, University of São Paulo, Brazil (1998, 32: 417-422).
Shear bond strengths of chemically and light-cured resin-modified ionomers
S. M. Cohen, R. Marullli, R. E. Binder, T. K. Vaidyanathan, University of Medicine and Dentistry of New Jersey, U.S.A. (1998, 32: 423-426).
Esthetic factors involved in anterior tooth display and the smile: vertical dimension.
B. U. Zachrisson, University of Oslo, Norway (1998, 32: 432-445).
Early surgical management of impacted mandibular second molars
A. H. Owen III, Texas, U.S.A. (1998, 32: 446-450).
Use of nickel titanium coil springs for partially impacted second molars
A. U. Aksoy, S. Aras, Hacettepe University, Turkey (1998, 32: 479-482).
Frictional resistance of the Damon SL bracket
R. Kapur, P. K. Sinha, R. S. Nanda, University of Oklahoma, U.S.A. (1998, 32: 485-489).
Simplified activation of closing loops
S. L. Cureton, D. Storie, Fort Gordon, and Tenessee, U.S.A. (1998, 32: 490-492).
The Universal Bite Jumper
Z. Calvez, Saint-Lo, France (1998, 32: 493-500).
Fixing a broken retainer
D. Hime, S. Hime, Texas, U.S.A. (1998, 32: 501).
A method for light-cured indirect bonding
M. J. F. Read, A. I. Pearson, University Dental Hospital of Manchester, UK (1998, 32: 502-503).
REVIEW
Use of nickel titanium coil springs for partially impacted second molars
A. U. Aksoy, S. Aras, Hacettepe University, Turkey (1998, 32: 479-482).
This is a case report that describes a neat, non-surgical way of disimpacting mesio-angular mandibular second molars. A rigid wire extension is carried posteriorly from the lingual of a first molar band (supported by a lingual arch), so that it lies posteriorly and superiorly to the second molar, along the mucosa covering the ascending ramus. The end of the extension has a small loop. A coil spring is bonded to the occlusal surface of the impacted molar and attached to the loop on the extended lingual arch. Elegantly simple!
Orthodontic Waves
This is the Journal of the Japanese Orthodontic Society. This issue is the first that is exclusively in English. In future, two out of the six annual issues will be exclusively in English. We will publish the contents of the English issues as and when we receive them.
Development of jaw muscles function in rats fed a kneaded diet
K. Ikeda, Kagoshima University Dental School, Japan (1998; 57: 163-172).
Effects of conditioned medium of continuously compressed human periodontal ligament fibroblasts on MC3T3-E1 cells
K. Watanabe, I. Saito, K.Hanada, Niigata University, Japan (1998; 57: 173-179).
Effect of hypofunction on the microvasculature in the periodontal ligament of the rat molar
A. Tanaka, J. Iida, K.Soma, Tokyo Medical and Dental University, Japan (1998; 57: 180-188).
Integration of the maxillofacial three-dimensional CT image and the three-dimensional dental surface image
Y. Nishii, K. Nojima, Y. Takane, Y. Isshiki, Tokyo Dental College, Japan (1998; 57: 189-194).
Displacement of the maxillary first molar in malocclusion during clenching
N. Nakazawa, Y. Fujita, S. Hasegawa, K. Soma, Tokyo Medical and Dental University, Japan (1998; 57: 195-198).
Seminars in Orthodontics
Problems and dilemmas encountered in clinical orthodontics
Guest Editor: R. W. Taylor (1998, 4 : No. 2).
Asymmetries: diagnosis and treatment
Guest Editor: S. J. Lindauer (1998, 4: No. 3).
The BJO has also received the following:
Revista Española de Ortodoncia, 1998; 28: No. 2.
It contains six scientific articles in Spanish with English abstracts.
Revista Española de Ortodoncia, 1998; 28: No. 3.
It contains six scientific articles in Spanish with English abstracts.
Ortognatodonzia Italiana, 1998; 7: No. 3.
It contains seven articles in Italian with English summaries.
OTHER REVIEWS
Prenatal anticonvulsant drug exposure: teratogenic effect on the dentition.
H. I. Orup, D. A. Keith, L. B. Holmes, Harvard School of Dental Medicine.
Journal of Craniofacial Genetics and Developmental Biology, 1998, 18; 129-137.
What questions are they asking? What is the effect of maternal consumption of anti-epileptic drugs during pregnancy on the dentition of their children.
How did they answer those questions? Study casts of 45 individuals whose mothers were known to have taken anti-epileptic drugs throughout pregnancy were compared with 20 unexposed controls. The mesio-distal widths of the teeth were measured and, wherever possible, the mean of antimeric teeth was used. In addition panoramic radiographs were used to identify dental maturity and other dental anomalies such as hypodontia, hyperdontia, and morphological variations (e.g. peg laterals and fused or conical molar roots). Finally, a clinical examination recorded craniofacial and digit anomalies, head size, height and weight.
What were their results? The exposed individuals demonstrated significant increase in the size of the teeth, particularly in the posterior region and in the maxilla. This was found for both deciduous and permanent teeth. There was no difference in dental maturity, but there were more instances of hypodontia (excluding 3rd molars) in exposed individuals. The results of head size, height, and weight are not given in the paper.
What is the message of this paper? Earlier work has shown that exposed individuals tend to exhibit reduced size of maxilla and possibly an increased risk of oro-facial clefting. A combination of increased tooth size in a reduced jaw will make for excessive crowding, and the dental disharmony created by the difference in size increase of maxillary and mandibular teeth would make an orthodontic correction more of a challenge without restorative help.
Conclusions. Too few cases to tell whether there are gender differences, but in view of what is already known about the teratogenic effects of these drugs, increased tooth size is a surprise.
Adverse outcomes following endoscopic repair of a fetal cleft lip using an ovine model.
E. J. Stelnicki, K. Vanderwall, W. Y. Hoffman, Z. Szabo, M. R. Harrison, R. Foster, M. T. Longaker, Washington University, University of California, New York University, U.S.A.
Cleft Palate-Craniofacial Journal, 1998, 35: 425-429.
What questions are they asking? Are the results of `keyhole' antenatal surgery to correct a cleft lip different to those where a similar repair is carried out through an `open' surgical procedure.
How did they answer those questions? Initially, a lip and alveolar cleft was created surgically, and allowed to heal for about 20 days prior to repair of the `cleft' using endoscopic methods.
What were their results?All of the five lambs showed an abnormal upper lip, ranging from a mild defect to complete dehiscence.
What is the message of this paper? The surgeons had already had successful surgical repairs on other animals using an open hysterotomy technique. They suggest that their failure is due principally to the problems associated with the restricted access afforded by an endoscopic approach.
Conclusions. The other risks associated with antenatal surgery (premature labour, morbidity, and mortality). suggest that manipulation of the healing process following postnatal surgical repair to produce scarless healing is a preferable way forward.
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