Wear of dental sealing materials using the replication technique

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ABSTRACT

Aim

The aim of the present study was an in vivo evaluation of the wear of different sealing materials using the
replication technique.

Methods

Four different sealing materials were randomly applied on 2 out of 4
caries-free permanent first molars of each patient. Impressions were taken at T0: before the sealing material was applied; T1:
right after the application; T2: 6 months after the application, and T3: 1 year after the application. The impressions were then
processed for scanning electron microscopy analysis of the wear of the examined materials. Statistical analysis was used to
evaluate differences among and within the 4 groups.

Results

At T2, the average ratio of residual material in all the groups
was 62.37 1.21, while at T3 it was 49.63 1.11. At both T2 and T3 there
were no statistically significant differences among the 4 groups examined (p=0.76 and p=0.50 respectively). Comparison
within the same group at T2 and T3 showed that statistically significant differences were only detected in group D (p=0.015).

Conclusion

Sealing materials do not undergo a complete loss after 1 year of application, thus indicating that theyare
suitable for caries prevention.

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