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The prosthetic approach and principle for an collapsed VDO : A clinical case of Class II div.2 patient  

Kwon, Kung-Rock (Department of Prosthodontics, College of Dentistry, Kyung Hee University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.20, no.2, 2004 , pp. 95-107 More about this Journal
Abstract
The prosthodontic treatment of Class II division 2 malocclusions is challenging. Ideally, these malocclusions should be identified at an early age and corrected with orthodontic treatment; otherwise, the individual develops a habitual position characterized by deep overbite and significant retruded position of mandibular condyle at the TMjoint fossa. This article describes a clinical protocol for the occlusal rehabilitation of patients with Class II div.2 malocclusions. Within this protocol, an occlusal splint was used to locate the most suitable maxillary-mandibular relationship for function and range of motion. The splint increased the vertical dimension and reduced pain on TMjoints. After transfer this relationship to an articulator for fabrication of provisional restorations, the CR position and centric prematurity contact between maxilla and mandible was used to determine the tentative vertical dimension of occlusion(VDO). The amount of elevation of VDO was decided on the articulated model. The provisional restorations were accurately transfered to a patient's mouth in clinical procedures using tattoo points. The final restoration was delivered after some trial periods with provisional restorations. The theory behind this protocol and its associated clinical procedures is presented along with a discussion.
Keywords
Class II div.2 malocclusion; Vertical dimension of occlusion; TMjoint; Occlusal splint;
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