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Canine guidance on crowned teeth: time for a rethink?
F J Trevor Burke1, P Steve K Lucarotti2, Neil Wilson3
1Professor of Primary Dental Care, University of Birmingham School of Dentistry, College of Medical and Dental Sciences, 5 Mill Pool Way, Birmingham, B5 7EG, UK. f.j.t.burke@bham.ac.uk.
British Dental Journal
|March 13, 2021
Summary
Restored canine teeth with crowns have the lowest survival rates, with only 66% cumulative survival at 15 years. Clinicians should avoid crowning upper canine teeth to prolong their lifespan.
Area of Science:
- Dentistry
- Restorative Dentistry
- Prosthodontics
Background:
- The upper canine tooth is crucial for dental arch stability.
- Canine guidance plays a significant role in occlusal function.
- Previous research indicates variable outcomes for restored canine teeth.
Purpose of the Study:
- To evaluate the long-term survival of restored canine teeth, specifically focusing on crowns.
- To analyze the factors contributing to the poor performance of crowned canine teeth.
- To question existing recommendations regarding canine guidance for crowned canine teeth.
Main Methods:
- Literature review examining studies on canine guidance and canine tooth restorations.
- Analysis of cumulative survival data for canine teeth restored with crowns versus other restorations.
- Discussion of preparation techniques for upper canine teeth requiring crowns.
Main Results:
- Crowns exhibit the poorest performance among canine tooth restorations, with a 66% cumulative survival rate at 15 years.
- Survival rates for crowned upper canine teeth are lower compared to teeth with other restorative methods.
- The preparation and restoration of canine teeth for crowns may compromise their longevity.
Conclusions:
- Current recommendations for establishing canine guidance with crowns on canine teeth should be reconsidered.
- Avoiding crowning the upper canine tooth is suggested to improve its long-term prognosis.
- Further research is needed to optimize restorative strategies for canine teeth.
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