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Proximal restorations and periodontal status
L Jansson1, H Ehnevid, S Lindskog
1Department of Oral Histology and Cell Biology, School of Dentistry, Karolinska Institutet, Sweden.
Journal of Clinical Periodontology
|October 1, 1994
Summary
Overhanging dental restorations worsen periodontal health, increasing pocket depth. This effect is more pronounced in patients with less severe attachment loss and can be amplified by poor oral hygiene.
Area of Science:
- Dentistry
- Periodontology
Background:
- Overhanging marginal restorations are common in dental practice.
- Their impact on periodontal health and influencing factors require further investigation.
Purpose of the Study:
- To assess the effect of overhanging restorations on periodontal status.
- To determine if oral hygiene and radiographic attachment loss modify this effect.
Main Methods:
- Retrospective study on a referral population.
- Comparison of periodontal pocket depth and radiographic attachment loss at sites with and without overhangs.
Main Results:
- Sites with overhangs had significantly deeper periodontal pockets (0.42 mm).
- The difference was greater with attachment loss ≤ 6 mm (0.62 mm).
- Overhangs were associated with increased attachment loss (0.66 mm) in patients with attachment loss ≤ 5 mm.
Conclusions:
- The negative impact of overhangs on pocket depth and attachment loss diminishes with increased periodontal attachment loss.
- Overhangs may potentiate the detrimental effects of poor oral hygiene on periodontal health.