Background/purpose: The relationship between endodontic and periodontal lesions remains a controversy. Their diagnosis is often difficult and requires an interdisciplinary approach to rule out the cause and provide appropriate treatment. Periodontitis as an etiology of pulpal necrosis and irreversible pulpitis has been a hypothetical concept. Thus, the aim of this study was to assess the non-carious teeth extracted due to periodontitis both clinically and histologically to understand the possible association between periodontitis and its effect on pulp vitality.
Materials and methods: The study consisted of 60 teeth, of which 20 were extracted due to orthodontic requirements (control group) and 40 were extracted due to periodontitis (test group), which was further subclassified based on the presence or absence of gingival recession. Clinically, the teeth were categorized as non-vital after testing them with the electronic pulp tester (EPT). Later, these teeth were sectioned, and histopathological analysis was done to detect the presence of lateral or accessory canals.
Results: The results showed that there were mild to moderate deteriorative changes in the pulp in the periodontitis group without a gingival recession and moderate to severe changes in the pulp in the periodontitis group with a gingival recession.
Conclusion: There exists a possible deteriorative effect on pulp vitality as a consequence of periodontitis, even when the vitality of the pulp remains unaffected by dental caries.
Keywords: apical periodontitis; chronic periodontitis; endo perio lesions; gingival recession; histopathology (hp); perio; pulp; stage iii periodontitis; stage iv periodontitis.
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