Taher Manasawala

Abstract

Treatment of a malocclusion characterized by open bite can be a difficult task for the orthodontist because such a malocclusion develops as a result of the interplay of many different etiologic factors. This article presents a case series of patients showing varying degrees of anterior open bite having a tongue thrusting habit. All patients were given a tongue crib appliance along with 0.022MBT preadjusted edgewise brackets treated with different modalities. Extraction of all 1st premolars was initiated in one case and retraction of anterior teeth was done using skeletal anchorage to improve the overjet and overbite. In other cases, non-extraction therapy was advocated with a modification of MEAW technique by incorporating reverse arch wire mechanics and correcting the anterior open bite.   Keywords: Anterior Open bite, Tongue thrust, Tongue crib, Skeletal anchorage

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Abstract

Functional appliances, fixed or removable, are primarily orthopaedic tools used to influence the facial skeleton in a growing child. Class II malocclusion with a retrognathic mandible in a non -compliant post pubertal patient can be treated using the fixed functional appliances. One such appliance which is in common use in clinical practice today is the Forsus Fatigue Resistant Device. To treat a 13 year old female patient having a class II base, a retrognathic mandible, horizontal growth pattern, convex profile, an overjet of 7mm, mild proclination of maxillary and mandibular incisors, Class II molar and canine relationship bilaterally and a positive VTO.   Keywords: FORSUS appliance, Class II malocclusion, Post-pubertal, Fixed functional

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