IADR Abstract Archives
Drinking and Smoking Increase Failures in Anterior Restorations
Objectives: The purpose of this study was to investigate why failures may occur in direct resin extensive composite restorations placed in anterior teeth.
Methods: Participants are enrolled in the University of Pittsburgh Dental Registry and DNA Repository (DRDR) where dental clinical information is linked with saliva samples. Data were extracted from the electronic health records. Subjects selected for this study had to have at least one restoration in anterior teeth that involves four or more surfaces. Out of 4.856 subjects, survival of 443 composite restorations that were placed in 253 patients were evaluated. Chi-square and Fisher’s exact tests were used to determine statistically significant differences (alpha=0.05) in survival rates depending on certain risk factors.
Results: Including all types of failure, the median restoration survival was 2.5 years. The percentage of failure was 9%, which is similar to what can be found in the literature. The main reason for failing was secondary caries (46%), followed by extraction indicated for reasons other than caries or fracture (27%), aesthetic issues (17%), and fracture (10%). We observed greater chance of failure in male patients who are smokers [p=0.05; OR=1.15 (95% C.I.1.0-1.4)]. Failures occur five times more often in the maxilla in patients who do not smoke, however smoking changes the maxilla-mandible failure rate to 1:1. Alcohol use also increases failure within two years after restoration placement [(p=0.03, OR=4.4 (95%C.I. 1.2-16.1)].
Conclusions: Smoking and drinking are factors that increase the chance of failure of extensive composite restorations of anterior teeth.
Methods: Participants are enrolled in the University of Pittsburgh Dental Registry and DNA Repository (DRDR) where dental clinical information is linked with saliva samples. Data were extracted from the electronic health records. Subjects selected for this study had to have at least one restoration in anterior teeth that involves four or more surfaces. Out of 4.856 subjects, survival of 443 composite restorations that were placed in 253 patients were evaluated. Chi-square and Fisher’s exact tests were used to determine statistically significant differences (alpha=0.05) in survival rates depending on certain risk factors.
Results: Including all types of failure, the median restoration survival was 2.5 years. The percentage of failure was 9%, which is similar to what can be found in the literature. The main reason for failing was secondary caries (46%), followed by extraction indicated for reasons other than caries or fracture (27%), aesthetic issues (17%), and fracture (10%). We observed greater chance of failure in male patients who are smokers [p=0.05; OR=1.15 (95% C.I.1.0-1.4)]. Failures occur five times more often in the maxilla in patients who do not smoke, however smoking changes the maxilla-mandible failure rate to 1:1. Alcohol use also increases failure within two years after restoration placement [(p=0.03, OR=4.4 (95%C.I. 1.2-16.1)].
Conclusions: Smoking and drinking are factors that increase the chance of failure of extensive composite restorations of anterior teeth.