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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25751

Title: Timing of Peak Mandibular Growth in Different Facial Growth Patterns and Resultant Mandibular Projection
Authors: Lee, Bennet
Advisor: Suri, Sunjay
Department: Dentistry
Keywords: peak mandibular growth
mandibular projection
vertical dysplasia
treatment timing
facial growth
Issue Date: 7-Jan-2011
Abstract: Objective: To determine if significant differences exist in timings and rates of Peak Mandibular Growth (PMG) and mandibular projections of subjects with vertical, average and horizontal facial growth patterns. Methods: Sixty-three Caucasian orthognathic subjects with cephalograms (9 to 18 years) available from the Burlington Growth Centre were categorized into average, vertical and horizontal growth pattern groups based on their change in Y axis from age 10 to 16 years. PMG timing and rates were determined and mandibular projections measured. Comparisons were made by ANOVA. Results: Inter-group differences of PMG timing or rate were not statistically significant. Although not statistically significant, PMG of vertically growing females was 14 month earlier than all other subgroups. Horizontal mandibular projection differences approached significance in older children. Conclusions: No statistically significant differences were found in the timing or rate of PMG in different facial growth patterns. Differences in horizontal mandibular projections approached significance with growth.
URI: http://hdl.handle.net/1807/25751
Appears in Collections:Master
Faculty of Dentistry - Master theses

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