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Root grooves: a risk factor in periodontal attachment loss
K N Leknes1, T Lie, K A Selvig
1Department of Periodontology, University of Bergen, School of Dentistry, Norway.
Journal of Periodontology
|September 1, 1994
Summary
Proximal root grooves significantly increase periodontal attachment loss. These grooves, often overlooked, are a critical risk factor in diagnosing and treating periodontal disease.
Area of Science:
- Dentistry
- Periodontology
- Oral Health
Background:
- Periodontal health relies on a delicate balance of factors at the gingival margin.
- Challenges to this balance include plaque accumulation, specific pathogens, and local environmental conditions.
Purpose of the Study:
- To investigate the role of proximal root grooves as a risk factor for periodontal attachment loss.
- To determine if root surface morphology influences periodontal disease progression.
Main Methods:
- Retrospective analysis of 103 extracted single-rooted teeth with existing attachment loss.
- Teeth featured both grooved and non-grooved proximal root surfaces for comparison.
- Attachment loss was measured using light microscopy after staining to visualize periodontal ligament remnants.
Main Results:
- A statistically significant greater loss of attachment was observed on grooved root surfaces compared to non-grooved surfaces (P < 0.0001).
- A direct correlation was found between the location of the root groove and the extent of attachment loss.
- This effect was consistent across incisors and premolars.
Conclusions:
- Proximal root grooves are a significant risk factor for periodontal attachment loss.
- These anatomical features should be incorporated into periodontal diagnosis, prognosis assessment, and treatment planning.
- Understanding root morphology is crucial for effective periodontal care.