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International Arab Journal of Dentistry

Abstract

Mandibular substance loss is one of the most frequent acquired defects of the maxillofacial mass. Several etiologies have been described, the most frequent of which are tumours and traumas. The most commonly used prosthetic classification takes into consideration the bone continuity of the mandible, thus there are marginal defect mandibular substance preserving bone continuity and segmental defect with basal bone discontinuity. These bone defects lead to numerous functional complications (loss the dental occlusion, decreased chewing efficiency, lack of stalling during swallowing, phonatory disorder related to the change in the buccal resonance cavity) and aesthetic complications (facial asymmetry due to lateral deviation, flanges and scars resulting from surgical flaps), not to mention the psychological impact on the social life of these patients. Mandibular latero-deviation causes several difficulties during prosthetic rehabilitation that should be managed as early as possible. Several prosthetic solutions, including guide devices, are available to centring the mandible and thus rehabilitate the patient’s manducatory and aesthetic functions.

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