Relapse of anterior open bites treated with orthodontic appliances with and without orofacial myofunctional therapy

Jo Ann Smithpeter, David Covell

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Introduction: Closure and long-term retention of anterior open bites are significant concerns for orthodontists and their patients. In this study, we investigated the efficacy of orofacial myofunctional therapy (OMT) for maintaining closure of open bites in conjunction with orthodontic treatment. Methods: The sample included 76 subjects with dental anterior open bites referred for OMT before, during, or after relapse of orthodontic treatment. The experimental cohort consisted of 27 subjects who received OMT and orthodontic treatment or retreatment. The control cohort comprised 49 subjects who had a history of orthodontic treatment with open-bite relapse. Overbite was evaluated by an OMT professional or orthodontist 2 months to 23 years after removal of the fixed appliances. Measurements were compared with t tests. Results: Overbite relapse means were 0.5 mm (range, 0.0-4.0 mm) in the experimental group and 3.4 mm (range, 1.0-7.0 mm) in the control group, a difference that was clinically and statistically significant (P

Original languageEnglish (US)
Pages (from-to)605-614
Number of pages10
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volume137
Issue number5
DOIs
StatePublished - May 2010

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Myofunctional Therapy
Orthodontic Appliances
Open Bite
Orthodontics
Overbite
Recurrence
Retreatment
Therapeutics
Tooth
Control Groups

ASJC Scopus subject areas

  • Orthodontics
  • Medicine(all)

Cite this

Relapse of anterior open bites treated with orthodontic appliances with and without orofacial myofunctional therapy. / Smithpeter, Jo Ann; Covell, David.

In: American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 137, No. 5, 05.2010, p. 605-614.

Research output: Contribution to journalArticle

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