Affiliation:
1. The Institute of Dental Surgery, Eastman Dental Hospital, Gray's Inn Road, London WC1X 8LD
Abstract
The results of an analysis of treatment and post-treatment changes in 48 unselected Class II Division 1 malocclusions are presented. All the cases were at least 1 year out of retention (mean 34·7 months). Mean values have been given for several features. In particular, the mean overjet reduction during treatment was 7·0 mm, the mean relapse 1·1 mm and the mean net overjet reduction 5·9 mm. The relationship of “final” overjet to overbite, overjet, skeletal pattern and lower lip height at different stages of treatment is described. There is wide variation in “final” overjet in relation to any of the single factors investigated but five significant correlations were found.
Reference12 articles.
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