Abstract
The purpose of this prospective study was to evaluate the clinical performance of a new restorative material (Ceram·X) in combination with a new primer–adhesive (K-0127). One operator placed two Class I or II restorations in molars of 43 patients. One molar was restored with Ceram·X/K-0127, the other one with Tetric Ceram/Syntac Classic. At baseline, after 1 and 2 years, the restorations were evaluated by one evaluator using modified Ryge’s criteria. After 2 years, 31 patients were examined. One Ceram·X-restoration had to be removed for root canal treatment due to pulpitis. Thus, failure rate of Ceram·X was 3.2% and of Tetric Ceram, 0%. In both groups, no sensitivity, no recurrent caries, and no changes in surface texture were recorded after 2 years. One restoration in each group showed slight changes in color stability (score B). Marginal discoloration (score B) was found concerning three Ceram·X-restorations (10.0%) and two Tetric Ceram-restoration (6.5%). Marginal integrity was score B for four Ceram·X-restorations (13.3%) and for four Tetric Ceram-restorations (12.9%). No statistically significant differences were found (p>0.05). After 2 years of clinical service, 96.8% of Ceram·X/K-0127 and 100% of Tetric Ceram/Syntac Classic restorations were in place and performed clinically well.
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The present study was supported by DENTSPLY DeTrey (Konstanz, Germany; investigation number: K-0127/K-0137/14.1007).
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Schirrmeister, J.F., Huber, K., Hellwig, E. et al. Two-year evaluation of a new nano-ceramic restorative material. Clin Oral Invest 10, 181–186 (2006). https://doi.org/10.1007/s00784-006-0048-1
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DOI: https://doi.org/10.1007/s00784-006-0048-1