Microscopic changes in the retrodiscal tissues of painful temporomandibular joints. 1996

F J Pereira, and H Lundh, and L Eriksson, and P L Westesson
Department of Stomatognathic Physiology, Centre for Oral Health Sciences, Lund University, Malmö, Sweden.

OBJECTIVE The purpose of this study was to investigate the association between temporomandibular joint (TMJ) pain and histological changes in TMJs with disc displacement. METHODS Samples from capsules and posterior disc attachments from 27 TMJ pain patients who underwent surgery were compared with samples from seven asymptomatic persons. RESULTS On logistic regression analysis, retrodiscal tissues from the painful joints demonstrated a significantly higher density of fibroblasts, presence of narrowed and obliterated arterial lumens, and a significantly lower distribution of elastic fibers. CONCLUSIONS The results indicate that there is a difference between painful and asymptomatic joints at the microscopic level.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002358 Cartilage, Articular A protective layer of firm, flexible cartilage over the articulating ends of bones. It provides a smooth surface for joint movement, protecting the ends of long bones from wear at points of contact. Articular Cartilage,Articular Cartilages,Cartilages, Articular
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004547 Elastic Tissue Connective tissue comprised chiefly of elastic fibers. Elastic fibers have two components: ELASTIN and MICROFIBRILS. Elastic Fibers,Elastic Fiber,Elastic Tissues,Fiber, Elastic,Fibers, Elastic,Tissue, Elastic,Tissues, Elastic
D005260 Female Females
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006818 Hyalin A clear, homogenous, structureless, eosinophilic substance occurring in pathological degeneration of tissues. Hyalin Substance,Hyaline,Hyaline Substance,Hyalins,Substance, Hyalin,Substance, Hyaline
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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