163 - Retrospective Analysis of Restorative Treatment Options for Primary Maxillary Canines

Retrospective Analysis of Restorative Treatment Options for Primary Maxillary Canines

Buban A, Danesh D, Casamassimo P, Peng J, Claman D


Purpose:
Evaluate the success and outcomes of restorative treatment rendered to primary maxillary canines under general anesthesia. Restored teeth were followed through subsequent visits to determine if restoration survival could be predicted.


Methods:
Children treated under general anesthesia aged 18 months to 10 years old with restorative treatment needs to maxillary primary canines were included in a retrospective chart review. From the date of initial treatment, subject data pertaining to the restored primary maxillary canines were tracked from subsequent visits. The primary measure was subsequent treatment being rendered to a previously restored tooth (failure), or no further treatment being required (no failure). Using Kaplan Meyer survival analysis, teeth requiring subsequent treatment intervention were identified. Restoration failure status and time to failure were analyzed while controlling for confounders such as age and demographic data.


Results:
Of the 694 teeth that met criteria for the survival analysis, 47 restorative failures were observed.There was a relative decrease in survival probability for all restoration types after 20 months. When controlling for confounding variables, patient age was found as the only significant predictor (P=.01) for restoration failure amongst all restoration types.

Conclusion:
In this survival analysis, direct composite restorations had a lower survival probability beyond 25 months when compared to full coverage restorations, but the difference was not statistically significant.
Zirconia crowns may be efficacious treatment options when restoring primary maxillary canines.