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In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue
Published on: July 6, 2017
Masticatory exercise as an adjunctive treatment for hyperdivergent patients
Laurie R Parks1, Peter H Buschang, Richard A Alexander
1Department of Orthodontics, Baylor College of Dentistry, 3302 Gaston Avenue, Dallas, TX 75124, USA
The Angle Orthodontist
|May 1, 2007
Summary
Masticatory muscle exercise combined with orthodontic treatment did not significantly alter vertical facial morphology in hyperdivergent patients. While it increased overbite, it was insufficient for correcting vertical dimension issues.
Area of Science:
- Orthodontics
- Dental Morphology
- Biometrics
Background:
- Hyperdivergent facial patterns present unique orthodontic challenges.
- Masticatory muscle exercise is explored as an adjunctive therapy to traditional orthodontic treatment.
Purpose of the Study:
- To evaluate the morphologic effects of masticatory muscle exercise as an adjunctive therapy for hyperdivergent patients treated with fixed orthodontic appliances.
Main Methods:
- Retrospective study comparing three groups: orthodontics with exercise, orthodontics alone, and untreated controls.
- Subjects were matched for age, sex, mandibular plane angle (MPA), and treatment duration.
- Morphologic changes were assessed using pre- and posttreatment lateral cephalograms.
Main Results:
- Orthodontics with exercise showed a significant increase in overbite compared to orthodontics alone.
- No significant differences in vertical facial morphology changes were observed between the two treated groups.
- Both treated groups exhibited increased MPA, Y-axis, and lower to total facial height ratio compared to controls.
Conclusions:
- Daily short-term clenching exercises are insufficient to correct or control the vertical dimension as an adjunct to orthodontic treatment.
- Further research may be needed to explore different exercise protocols or durations.
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