The Temporomandibular Joint of the Domestic Dog (Canis lupus familiaris) in Health and Disease

Journal of Comparative Pathology
A W LinBoaz Arzi

Abstract

This study aimed to characterize the histological, biomechanical and biochemical properties of the temporomandibular joint (TMJ) of the domestic dog in health and disease. In addition, we sought to identify structure-function relationships and to characterize TMJ degenerative lesions that may be found naturally in this species. TMJs (n = 20) from fresh cadaver heads (n = 10) of domestic dogs were examined macroscopically and microscopically and by cone-beam computed tomography. The TMJ discs were evaluated for their mechanical and biochemical properties. If TMJ arthritic changes were found, pathological characteristics were described and compared with healthy joints. Five (50%) dogs demonstrated macroscopically normal fibrocartilaginous articular surfaces and fibrous discs and five (50%) dogs exhibited degenerative changes that were observed either in the articular surfaces or the discs. In the articulating surfaces, these changes included erosions, conformational changes and osteophytes. In the discs, degenerative changes were represented by full-thickness perforations. Histologically, pathological specimens demonstrated fibrillations with or without erosions, subchondral bone defects and subchondral bone sclerosis. Significan...Continue Reading

Citations

Dec 18, 2018·Advanced Healthcare Materials·Timothy M AcriAliasger K Salem
Jun 28, 2019·American Journal of Veterinary Research·Boaz ArziSusan M Stover
Jun 25, 2019·Journal of Biomechanical Engineering·Alejandro J AlmarzaMichael S Detamore
Feb 8, 2020·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Angela RuscittoMildred C Embree
Apr 25, 2020·Journal of Feline Medicine and Surgery·Boaz ArziFrank Jm Verstraete
Nov 5, 2020·The Journal of Small Animal Practice·J C Almansa RuizG Steenkamp
Apr 16, 2021·Frontiers in Veterinary Science·Boaz ArziFrank J M Verstraete
Apr 26, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Natalia GarcíaJuan Carlos de Vicente

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