Özet:

Introduction and Target: The aim is to evaluate the effect of the application of fiber post on small teeth treated with different wall thicknesses in terms of resistance to pressure forces. Method and Requirements: In the study, after 40 small teeth have been opened, the channel treatment process was carried out using 'stepback' and lateral condensation techniques. The remaining teeth were divided into 2 groups, 2 mm and 1 mm in terms of the wall thickness. Each wall thickness group was divided into 2 subgroups in terms of whether or not the fiber post was applied (n: 10). In the subgroups not placed in the fiber post, the teeth were restored with microhybrid composite. In the fiber post subgroups, the fiber post is simanted to the teeth and the restorations are completed using the same composite. Examples were then connected to the universal test device and the printing power was applied. In statistical analysis of the data, Bonferroni corrected Mann Whitney U test was used (p<0,05). STATISTICALLY: There was no statistically significant difference between the groups when compared the effects of the different wall thicknesses and the fiber post application (p>0,05). However, in the presence of 1 mm wall thickness, the subgroup applied fiber post showed a numberally higher resistance values than the subgroup not applied fiber post (p>0,05). If the remaining wall thickness is sufficient, the application of fiber post affects the breakdown resistance of the small minorities treated by the channel, just in the same way as the direct restoration of the teeth. However, if the wall thickness is insufficient, the application of fiber post can increase the resistance of small teeth that have seen channel treatment.

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