Dentistry

Ten-year clinical survival rate of a zirconia based core ceramic for posterior fixed partial dentures: prospective study

25^th Euro Congress and Expo on DENTAL & ORAL HEALTH

October 16-18, 2017 | Budapest, Hungary

Mohammad Albakry and Ramzy Alhakamy

Najran University, Faculty of Dentisty, Najran, KSA
King Saud University, Faculty of Dentistry, Riyadh, KSA

Posters & Accepted Abstracts: Dentistry

Abstract:

Aim: of this prospective study was to evaluate the in-service efficacy and long-term survival rate of three-unit fixed partial dentures (FPDs) made from zirconia-based core ceramic. 103 three-unit FPDs were placed in 89 patients to replace posterior single lost teeth. CAD-CAM technology was used to fabricate frameworks of the designed FPDs. The frameworks were adhesively luted to the abutment teeth. Each case was examined after 1 week of the placement, after 3 months, and then annually for 10 years. Statistical analysis was performed using Kaplan-Meier survival analysis. 77 patients with 80 FPDs attended The regular follow-up visit. The mean observatin period was 7.5 ± 1.5 years. Patient satisfaction with the restoration was evaluated using a 10-point visual analog scale (VAS). Results: of the current study showed that several FPDs exhibited veneer chipping. Core fractrues occured in 2 FPDs. Marginal caries were noted for few FPDs which reulsted in poor marginal integrity. Only 2 patients presented reversible postoperative sensitivity. The Survival rate (still in-sevice) of the FPDs was 92%. The mean value for patient satisfaction was 9.1±1.1. The current study Concluded: that zirconia veneered core cermaics offer a reliable treatmet option for posterior segements. Chipping and/or core fracture may be resulted, and hence the manufacturing processes must be modified in order to avoid this complicaitos.

Biography :

Dr. Mohammad Albakry has completed his PhD at the age of 32 years from the prestigous uiversity of Sydney, Australia. He is a chairman, preventive dentistry, Vice-dean of the faculty of Dentisty, Najran univesriy, Head of the Biomateials Science Unit. He has published more than 12 papers in the field of biomaterials (Mechanical properties of all- cermaic dental materials). His scentific articles were published in peer-reviwed, and high impact facor reputed journals.