Periodontitis: chronic, aggressive, necrotizing
Periodontology · Dental (BDS)
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Study notes
A 20-year-old has deep bone loss around first molars but is otherwise healthy. What pattern is this? Localized aggressive periodontitis - rapid attachment loss in youth, classically around first molars and incisors, linked to specific bacteria (A. actinomycetemcomitans) and often familial. Students learn: severe disease in a young non-smoker is never 'just gingivitis' - it needs aggressive diagnosis, family screening, and specialist care.
Related topics
- Periodontium: anatomy — gingiva, PDL, cementum, alveolar bone
- Classification of periodontal diseases
- Dental plaque and calculus: formation, composition
- Etiology: local and systemic risk factors, smoking, diabetes
- Pathogenesis of gingivitis and periodontitis
- Gingival diseases: plaque-induced, non-plaque-induced