Periodontal Therapy and Tooth Loss Management

Periodontal therapy and tooth loss management encompass preventive, non-surgical and surgical strategies aimed at halting the progression of periodontitis and preserving natural dentition. Fundamental interventions include mechanical debridement, adjunctive antimicrobial therapies and regenerative techniques to reconstitute lost periodontal support. Following active treatment, individualised maintenance schedules known as supportive periodontal therapy are essential to monitor disease recurrence and to mitigate risk factors such as smoking, systemic comorbidities and genetic predisposition. Technological innovations—from biomarker assessment to advanced imaging modalities—have refined diagnostic precision, while prognostic tools incorporating clinical, radiographic and patient-level data guide decision-making on whether to preserve or extract compromised teeth. Recognising the multifactorial aetiology of periodontitis, current research emphasises stratified approaches that align treatment intensity with disease severity and patient risk profile. In this context, emerging computational models and classification frameworks aim to enhance personalised care pathways, minimise tooth loss and maintain oral-health-related quality of life on a global scale.

Research from Nature Portfolio

Recent studies have employed the 2018 classification framework to investigate predictors of tooth loss during both active and maintenance phases. Analysis of a large retrospective cohort demonstrated that patients categorised in stage IV and grade C exhibited significantly higher annual rates of tooth loss in both active periodontal therapy and supportive periodontal therapy. Multivariate models confirmed that advanced stage and rapid-progression grade function as independent risk indicators, reinforcing the prognostic value of this classification in guiding intensity of interventions and frequency of maintenance visits.

Periodontal Therapy and Tooth Loss Management publication trend

The graph below shows the total number of articles in periodontal therapy and tooth loss management across all publications each year (not limited to Nature Index journals).

Technical terms

Periodontitis: Chronic inflammatory disease of the supporting structures of the teeth characterised by breakdown of the periodontal ligament and alveolar bone.

Probing pocket depth: Clinical measurement from the gingival margin to the base of a periodontal pocket indicative of disease severity.

Clinical attachment level: Distance from a fixed point on the tooth (often the cementoenamel junction) to the bottom of the periodontal pocket, reflecting cumulative tissue loss.

Supportive periodontal therapy: Ongoing maintenance phase of treatment following active therapy aimed at preventing recurrence and tooth loss.

T2 STIR magnetic resonance imaging: An MRI sequence that suppresses fat signals to highlight fluid accumulation, used to visualise bone marrow oedema in periodontal tissues.

Stage and grade classification: A system introduced in 2018 to categorise periodontitis by severity (stage) and rate of progression (grade) to guide prognosis and management.

References

1. Evaluation of periodontitis-related tooth loss according to the new 2018 classification of periodontitis. Scientific Reports (2022).
2. MRI-detected intraosseous bone marrow edema recedes after effective therapy of periodontitis. European Radiology (2023).
3. Tooth loss in complying and non-complying periodontitis patients with different periodontal risk levels during supportive periodontal care. Clinical Oral Investigations (2021).
4. Developing and testing a prediction model for periodontal disease using machine learning and big electronic dental record data. Frontiers in Artificial Intelligence (2022).