Autoimmunity-Basics and link with periodontal disease

Area of Science:

• Immunology
• Periodontology
• Autoimmunity

Background:

• Autoimmune reactions stem from an imbalance between immune effector and regulatory responses, characterized by defective control of self-reactive lymphocytes.
• Periodontal diseases involve inflammatory conditions affecting tooth-supporting structures, leading to tooth loss.
• Evidence suggests a significant role for autoimmune responses and immunopathology in periodontal disease development.

Purpose of the Study:

• To review the involvement of autoimmune responses in periodontal diseases.
• To elucidate the underlying mechanisms of these autoimmune responses in periodontal disease.

Main Methods:

• Literature review of studies investigating autoimmune components in periodontal disease.
• Analysis of reported factors including bacteria, autoreactive cells, and genetic predispositions.

Main Results:

• Dental plaque bacteria can trigger antibody formation, contributing to autoimmunity.
• Autoreactive T-cells, natural killer cells, ANCA, heat shock proteins, autoantibodies, and genetic factors are implicated in the autoimmune aspect of periodontal disease.
• Autoimmune responses are characterized by initiation, propagation, remission, and exacerbation phases.

Conclusions:

• Autoimmune responses are integral to the pathogenesis of periodontal diseases.
• Understanding these autoimmune mechanisms is crucial for managing periodontal disease and preventing tooth loss.