Clinical Evaluation Of The Lava CAD/CAM Zirconia All Ceramic Crown Restoration For Anterior Teeth

Objective:This study is to investigate clinical application of the Lava CAD/CAM zirconia all ceramic crown to restore anterior teeth by evaluating the use of the Lava CAD/CAM all ceramic crown for anterior teeth.Materials and methods:Fifteen patients with 47 anterior teeth from dental clinic were chosen. A regular preparation of anterior teeth related for Lava CAD/CAM zirconia all ceramic crown. Impression taken, model poured, and the color of teeth being chosen under natural light using Vitapan 3D-Master shade guide. The Lava CAD/CAM zirconia system had been manufactured for clinical use and using 3M RelyXTM U100 resin to cementation. Dental clinical examnation including restoration margin chromatosis,gingival close,color of restoration,caries of restoration restoration rrhexis and abutment loosening according to the adjustment standard of American public health association.Results:There were only 3 crowns were broken by striking in an car accident after six months during the examenation. None was debonded and discolored. No caries were detected.Conclusion:The use of Lava CAD/CAM zirconia all ceramic crown in restoration can achieve satisfied result both in esthetics appearance and the health of gingival through selecting cases appropriately and a regular preparation and cementation.