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J Korean Acad Pediatr Dent. 2005;32(2): 229-235.
TREATMENT OF OPEN BITE BY TONGUE THRUSTING HABIT USING HABIT BREAKING APPLIANCE AND MYOFUNCTIONAL THERAPY
최지원, 오유향, 이창섭, 이상호, 이난영
조선대학교 치과대학 소아치과학교실
Corresponding Author: 이난영 ,
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ABSTRACT
A problem that affects children's dentitions is the harmful habit which is difficult to treat. Harmful habits for children are such as abnormal swallowing patterns, low/forward tongue rest posture problem, habitual open-lips resting posture, habitual mouth-breathing, excessive digital sucking habit and tongue thrusting. Tongue thrusting habits cause a bit of cranio-facial skeletal changes and a great deal of dental malocclusion such as anterior open bite. Anterior open bite causes masticatory, speech, and esthetic problems in the growing children and difficulties in diagnosis, treatment, and the prediction of its prognosis. The treatments of such abnormal behaviors involve orofacial myofunctional therapy and using of habit breaking appliance. The prognosis is not determined by the presence of severity of oral habit but the skeletal tendency of the patient. Usage of tongue crib resulted in not only the discontinuance of the habit but also improvement in overbite and overbite. This study showed that relatively successful results could be generated by using removable tongue crib and myofunctional therapy in the case of openbite related to tongue thrusting habit.
Keywords: Tongue thrusting habit | Open bite | Myofunctional therapy | Tongue crib
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