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Marginal Adaptation of Cerec Ceramic Veneers after Cementing with Different Materials
Domagoj Glavina
Ilija Škrinjarić
Martina Majstorović
Sažetak
The aim of this study was to analyze the quality of marginal adaptation and gap width of Cerec ceramic veneers after cementation with two different materials (Tetric and Compolute). The study was carried out on 24 teeth, divided into groups of 12 on which ceramic veneers were fabricated. The first 12 veneers were cemented with a composite material with microparticles (Tetric) and the other 12 using dual composite cement (Compolute). The samples were cut in the vestibulooral and mesiodistal direction and analyzed with an OPTON SV 8 stereomicroscope, with 160x magnification. Ideal adaptation of veneers after cementation with Tetric occured in 97.9% and good in 2.1% of cases. In the group cemented with Compolute ideal adaptation was determined in 95.8% and good in 4.2% of the samples. In neither group was poor adaptation established. In samples cemented with Tetric in vestibulooral direction complete adaptation was observed in 39.6%, negative adaptation in 43.8% (veneer was not completely seated on the cavity wall), and positive in 16.7% of the samples (veneer was higher than the surface of the prepared cavity). In the mesiodistal direction complete adaptation was recorded in 45.8% of the samples, negative in 39.6% and positive in 14.6%. After cementation with Compolute in the vestibulooral direction ideal adaptation was established in 51.1%, negative in 38.3% and positive in 10.6% of cases. In the mesiodistal direction complete adaptation was recorded in 52.1%, negative in 45.8% and positive in 2.1%. Difference in the quality of veneer adaptation in the vestibulooral and mesiodistal direction was not significant. Mean value of variations in the vestibulooral direction amounted to negative 493.80 μm and positive 388.96 μm. Mean value of variations in the mesiodistal direction amounted to negative 411.70 μm and positive 347.63 μm. Mean gap width after cementation with Tetric in the vestibulooral direction was 247.69 μm, and in the mesiodistal direction 156.56 μm. For the veneers cemented with Compolute mean gap width was 257.62 μm in the vestibulooral and 169.08 μm in the mesiodistal direction, which was not significant. The obtained results indicate that both materials are suitable for cementation of Cerec ceramic veneers.
Ključne riječi
Cerec CAD/CAM; ceramic veneers; marginal adaptation; gap width
Hrčak ID:
2564
URI
Datum izdavanja:
15.6.2003.
Posjeta: 3.011 *