Incisal Wear and Dentoalveolar Extrusion
نویسنده
چکیده
June 2009—Volume 30, Number 5 Numerous, complex problems influence anterior dental esthetics. The most common include tooth-size discrepancies caused by various factors, such as small lateral incisors, excessive incisal wear of anterior teeth with accompanying dentoalveolar extrusion, chemical erosion of enamel (eg, bulimia), congenitally missing teeth (eg, oligodontia), damaged or missing teeth because of trauma or disease, or tooth-mass-to-arch length irregularities. The restorative dentist often has the tools necessary to resolve these issues, provided the teeth occupy the proper position in the arch relative to each other and within the framework of the smile. When the teeth need repositioning and there is inadequate room to restore prior to orthodontics,1 the orthodontist proves invaluable in the interdisciplinary process.2,3 At the diagnostic and treatment planning stages, the team determines the restorative plan for each tooth prior to initiation of orthodontics.2,3 The next necessary step involves the precise communication between team members as to positioning of the teeth. In complex cases, this discussion may occur best as an intermediate restorative measure during orthodontic treatment, thereby providing a “3-dimensional” spatial guide to the orthodontist before finishing the set-up. Using such a method introduces a degree of predictability that is otherwise unachievable. This article explores several techniques that facilitate this process in complex cases.
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