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- Title
Effects of fixed labial orthodontic appliances on speech sound production.
- Authors
Paley, Jonathan S.; Cisneros, George J.; Nicolay, Olivier F.; LeBlanc, Etoile M.
- Abstract
Objective: To explore the impact of fixed labial orthodontic appliances on speech sound production. Materials and Methods: Speech evaluations were performed on 23 patients with fixed labial appliances. Evaluations were performed immediately prior to appliance insertion, immediately following insertion, and 1 and 2 months post insertion. Baseline dental/skeletal variables were correlated with the ability to accommodate the presence of the appliances. Results: Appliance effects were variable: 44% of the subjects were unaffected, 39% were temporarily affected but adapted within 2 months, and 17% of patients showed persistent sound errors at 2 months. Resolution of acquired sound errors was noted by 8 months post-appliance removal. Maladaptation to appliances was correlated to severity of malocclusion as determined by the Grainger's Treatment Priority Index. Sibilant sounds, most notably /s/, were affected most often. Conclusions: (1) Insertion of fixed labial appliances has an effect on speech sound production. (2) Sibilant and stopped sounds are affected, with /s/ being affected most often. (3) Accommodation to fixed appliances depends on the severity of malocclusion.
- Subjects
ORTHODONTIC appliances; MALOCCLUSION; PHYSIOLOGICAL aspects of speech; MANDIBULAR prosthesis; TOOTH transposition
- Publication
Angle Orthodontist, 2016, Vol 86, Issue 3, p462
- ISSN
0003-3219
- Publication type
Article
- DOI
10.2319/052415-351.1