EXPERIMENTAL MODELLING OF OCCLUSAL ARTHRITIS IN TEMPOROMANDIBULAR JOINT OF LABORATORY ANIMALS
Keywords:
temporomandibular joint, occlusal arthritis, modelling, laboratory animals (rats)Abstract
The study of morphological changes within the structures of the temporomandibular joint (TMJ) is of a certain in-terest due to the increase of the number of patients visiting their doctors because of functional disorders of TMJ. It is considerably difficult to conduct a study of the development patterns of chronic traumatic arthritis or occlusal arthritis in TMJ of humans. That is why modelling of occlusal arthritis in TMJ has been performed on laboratory animals. Ten mature nondescript 8-month old male rats were chosen as a material for the experimental study. Occlusal arthritis of temporomandibular joint was modelled by means of violation of occlusal relationships in the teeth of upper and lower jaws of the laboratory animals (rats). Morphological studies of the TMJ structures in labora-tory animals (rats) allowed to reveal changes in the musculo-articular component of the TMJ during the modelling of occlusal arthritis.
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