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An approach to rotational relapse

D G Ahrens, Y Shapira, M M Kuftinec

American Journal of Orthodontics

|July 1, 1981

Summary

This summary is machine-generated.

Gingival fibrotomy, a surgical procedure, significantly reduces tooth rotation relapse after orthodontic treatment. Severing supra-alveolar fibers minimizes post-treatment tooth movement, improving retention outcomes.

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Area of Science:

Orthodontics
Periodontal Surgery

Background:

Tooth rotation relapse is a common orthodontic challenge.
Supra-alveolar fibers, stretched during rotation correction, contribute to relapse.
Previous surgical methods aimed to reduce relapse by severing these fibers.

Purpose of the Study:

To evaluate the efficacy of a simple surgical method (Vanarsdall) for reducing relapse in rotated teeth.
To assess the impact of transsecting supra-alveolar fibers on rotational relapse.

Main Methods:

A comparative study involving twelve cases with rotated teeth and their antimers.
One rotated tooth underwent gingival fibrotomy; the antimere served as a control.
Incision at a 45-degree angle on labial and lingual aspects, 2 months before debanding.

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Main Results:

The fibrotomy group showed a significant decrease in relapse (0.42 degrees) compared to the control group (5.75 degrees) up to 30 days post-treatment.
This indicates a substantial reduction in rotational relapse following the surgical intervention.

Conclusions:

Gingival fibrotomy is an effective surgical adjunctive procedure for reducing relapse in orthodontically rotated teeth.
The technique of transsecting supra-alveolar fibers should be considered to overcome rotational relapse and enhance long-term stability.