Defects of dentitions - absence of one or several teeth with disturbance of integrity of a dental arch. Traumas are formed as a result of loss of a teeth owing to complications of caries, illnesses of gums. The congenital adentia or a delay of procutting of a separate teeth is possible.

Signs. Function of the mastication is broken, one part appears overloaded, another does not function, there is a shift of a teeth and deformation of occlusal surfaces. Disturbance of a pronunciation, cosmetic defect are possible.

Clinical displays depend on localization and extent of defect. Distinguish defects included - at the kept teeth from both parties and trailer when defect is limited only from the forward party. The clinic depends also on a kind of an occlusion, a condition of a teeth and gums, the reason of loss of a teeth, terms of their loss and age of the patient.

The forecast. The rational prosthetic repair provides restoration of function of a mastication, speech and conservation of the remained teeth. Without restoration of the lost teeth secondary deformations of dentitions are formed, gums are amazed, the lesion of temporally-нижнечелюстного joint is possible. At a wrong prosthetic repair - premature loss of a basic teeth.