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A Comparison Between Written, Verbal, and Videotape Oral Hygiene Instruction for Patients with Fixed Appliances

School of Dentistry, St Chads Queensway, Birmingham B4 6NN, UK

Dr W. P. Rock, School of Dentistry, St Chads Queensway, Birmingham B4 6NN, UK

Abstract

The objective of the study was to compare the effectiveness of written, videotape, and one-to-one instruction upon the knowledge, oral hygiene standard, and gingival health of subjects undergoing orthodontic treatment with a lower fixed appliance.

Subjects for whom fixed appliances had been fitted recently were divided randomly into three groups of 21, 22, and 22, respectively. Group 1 received written oral hygiene instruction, group 2 a specially made videotape, and group 3 saw a hygienist for one-to-one instruction. Results were assessed in terms of improvement in knowledge concerning oral hygiene procedures, and of plaque and gingival index scores.

Analysis of variance revealed no significant main effects or interactions at P = 0•05, although the difference in the plaque index scores before and after instruction was close to significance.

Key words: Fixed appliances, Oral hygiene, Video teaching.