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Clinical Trial Summary

The purpose of this study is to evaluate and compare the clinical and radiographic performance of zirconia and composite strip crowns bonded on primary incisors


Clinical Trial Description

Zirconia and composite strip crowns will be placed on at least two primary incisor teeth, in a split mouth design. A caries-free primary incisor tooth will be used as control. 100 patients will be included in the study. The teeth will be randomized into two groups according to the crown type. Group 1: Zirconia crown 2: Composite Strip Crown 3: Control tooth. Plaque index, gingival index, crown retention, presence of restoration failure, gingival margin extension, color match of the crowns and pulpal health of the teeth will be clinically evaluated at baseline and 1., 6., 12., 18., 24. months. The restorations will be evaluated radiographically at 6., 12. and 18. months. Intra-oral photos will be taken directly after treatment and at control appointments. The data will be analysed statistically using Fisher's Exact Test and pearson's chi-square test; and Log-rank and the Kaplan-Meier will be used to estimate survival percentages. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05034003
Study type Interventional
Source Hacettepe University
Contact zafer c cehreli
Phone 00905353197969
Email [email protected]
Status Recruiting
Phase N/A
Start date August 1, 2019
Completion date January 1, 2025

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