TY - JOUR TT - Clinical study on the success of posterior monolithic zirconia crowns and fixed dental prostheses: preliminary report AU - Bankoğlu Güngör, Merve AU - Karakoca Nemli, Seçil AU - Çağlar, Alper AU - Aydın, Cemal AU - Yılmaz, Handan PY - 2017 DA - June DO - 10.17214/gaziaot.286916 JF - Acta Odontologica Turcica JO - Acta Odontol Turc PB - Gazi University WT - DergiPark SN - 2147-690X SP - 104 EP - 108 VL - 34 IS - 3 KW - CAD-CAM KW - sağkalım analizi KW - yttria stabilize dörtgen zirkon N2 - Objective:The purpose of this report was to present preliminary clinical results regarding the success rates and technical outcomes of posterior monolithic zirconia single tooth crowns (STs) and fixed dental prostheses (FDPs).Materials and Method:Thirty-four patients received 43 posterior monolithic zirconia restorations as single tooth crowns (STs) and/or fixed dental prostheses (FDPs), which were fabricated using a CAD-CAM (Computer Aided Design - Computer Aided Manufacturing) system. At baseline and every 6 months, the restorations were examined for survival and technical outcomes. Success of the restorations was defined as the restoration remainingin situ, with no need for removal or replacement at follow-up visits. Technical outcomes were evaluated with a modified version of the United States Public Health Services criteria. Survival of restorations was estimated by using the Kaplan-Meier survival analysis. For each restoration, duration of follow-up was calculated from the time of placement to the date of its first failure.Results:After a mean observation period of 18.6 ± 3.9 months (between 8-24 months), cumulative survival rates were 86.7% and 92.3% for STs and FDPs, respectively. Technical evaluation revealed good marginal adaptation and crown contours; however, modifications were needed for shade and occlusion of restorations.Conclusion:These preliminary results revealed high survival rate and generally successful technical outcomes for posterior monolithic zirconia STs and FDPs. CR - Raigrodski AJ, Chiche GJ, Potiket N, Hochstedler JL, Mohamed SE, Billiot S, et al. The efficacy of posterior three-unit zirconium-oxide-based ceramic fixed partial dental prostheses: a prospective clinical pilot study. J Prosthet Dent 2006;96:237-44. CR - Kavasoğlu M, Akçaboy C. Üst yapı porseleni uygulamasının yarı ve tam sinterize zirkonya alt yapıların bükülme dayanıklılıklarına etkisi. Acta Odontol Turc 2015;32:12-8. CR - Passia N, Stampf S, Strub JR. Five-year results of a prospective randomised controlled clinical trial of posterior computer-aided design-computer-aided manufacturing ZrSiO4 -ceramic crowns. J Oral Rehabil 2013;40:609-17. CR - Mundhe K, Jain V, Pruthi G, Shah N. Clinical study to evaluate the wear of natural enamel antagonist to zirconia and metal ceramic crowns. J Prosthet Dent 2015;114:358-63. CR - Stober T, Bermejo JL, Rammelsberg P, Schmitter M. Enamel wear caused by monolithic zirconia crowns after 6 months of clinical use. J Oral Rehabil 2014;41:314-22. CR - Batson ER, Cooper LF, Duqum I, Mendonca G. Clinical outcomes of three different crown systems with CAD/CAM technology. J Prosthet Dent 2014;112:770-7. CR - Oilo M, Kvam K, Reisegg K, Gjerdet NR. The Effects of Margin Curvature on Load at Fracture of Ceramic Crowns. Int J Prosthodont 2015;28:357-9. CR - Johansson C, Kmet G, Rivera J, Larsson C, Vult Von Steyern P. Fracture strength of monolithic all-ceramic crowns made of high translucent yttrium oxide-stabilized zirconium dioxide compared to porcelain-veneered crowns and lithium disilicate crowns. Acta Odontol Scand 2014;72:145-53. CR - de Kok P, Kleverlaan CJ, de Jager N, Kuijs R, Feilzer AJ. Mechanical performance of implant-supported posterior crowns. J Prosthet Dent 2015;114:59-66. CR - Ferrario VF, Sforza C, Zanotti G, Tartaglia GM. Maximal bite forces in healthy young adults as predicted by surface electromyography. J Dent 2004;32:451-7. CR - Arslan Y, Bankoglu Gungor M, Karakoca Nemli S, Kokdogan Boyaci B, Aydin C. Comparison of Maximum Intercuspal Contacts of Articulated Casts and Virtual Casts Requiring Posterior Fixed Partial Dentures. J Prosthodont 2016; doi:10.1111/jopr.12439. CR - Harianawala HH, Kheur MG, Apte SK, Kale BB, Sethi TS, Kheur SM. Comparative analysis of transmittance for different types of commercially available zirconia and lithium disilicate materials. J Adv Prosthodont 2014;6:456-61. CR - Sulaiman TA, Abdulmajeed AA, Donovan TE, Vallittu PK, Narhi TO, Lassila LV. The effect of staining and vacuum sintering on optical and mechanical properties of partially and fully stabilized monolithic zirconia. Dent Mater J 2015;34:605-10. UR - https://doi.org/10.17214/gaziaot.286916 L1 - https://dergipark.org.tr/en/download/article-file/312949 ER -