Tricalcium Phosphate and Chitosan as Bone Regenerator Versus Autologous Graft in Surgery for Mandibular Fracture

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Introduction After a mandibular fracture where bone has been lost, a number of complications and challenges are presented in trying to solve them. These defects are mainly classified into two groups: functional and cosmetic. The functional defects are incompetence of the lower lip, salivary incontinence, severe difficulty chewing and swallowing, temporomandibular joint disorders and difficulty in pronouncing words. Esthetically facial asymmetry is produced with collapse of the affected side. Unreconstructed jaw retrusion and tends to offset the affected side, there is a change in mandibular movements, which, previous vertical movements are replaced by oblique or diagonal movements controlled by a single temporomandibular joint. It also presents a limitation in motility and lingual force, besides proprioception disorder left by the inferior alveolar nerve The loss of bone in mandibular fractures, is one of the great challenges facing maxillofacial surgery and unfortunately increasingly common. That's why they have done and are still doing research for the development of biomaterials, all with the purpose of trying to solve this problem by offering the patient better results than those obtained in the past, restoring both function and facial aesthetics according to each case

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