Metal Ceramic Crown Preparation Ppt

This has resulted in part from technologic improvements in the fabrication of this restoration by dental laboratories and in part from the growing amount of cosmetic demands that challenge dentists today.

Metal ceramic crown preparation ppt. Preparation is completed with a fine grit diamond bur. The types of finish lines employed chamfer shoulder and shoulder bevel are described in detail the rationale for their use as well as the. This is especially beneficial for teeth that have exposed root dentine or gingival recession. 9 the metal ceramic crown preparation.

In many dental practices the metal ceramic crown is one of the most widely used fixed restorations. 2 depth orientation grooves 53. Because there is no metal to block light transmission they can resemble natural tooth structure better in terms of color and translucency than can any other restorative option. Posterior metal ceramic crowns step no 3 facial reduction occlusal half 54.

Preparing posterior teeth for pfm crowns. Full contour crowns metal or zirconia 1 0 mm non functional cusps 1 5 mm. The purpose of this presentation is to discuss the principles of metal ceramic crown preparations in the posterior region. One set parallel with the gingival half of labial surface one set parallel with the incisal half of labial surface anterior metal ceramic crown preparation anterior metal ceramic crown preparation.

Posterior metal ceramic crown 51. 11 tooth preparation for all ceramic restorations all ceramic inlays onlays veneers and crowns are some of the most esthetically pleasing prosthodontic restorations. Posterior tooth preparation 50. Learning objectives after reading this article the reader should be able to.

Successfully modified to incorporate occlusal and in addition the required preparation often is much cingulum rests as well as milled proximal and reci less demanding than for partial coverage retainers. Fixed prosthodontics tooth preparation for posterior metal ceramic crowns. Metal ceramic porcelain fused to metal 2 0 mm incisally 0 5 1 0 mm lingual aspect porcelain guidance requires greater clearance 1 5 mm labial shoulder or heavy chamfer 0 5 mm lingual chamfer 1 5 mm circumferentially for 360 degree ceramic margin. To metal restorations that rival any all ceramic restoration.

Anterior metal ceramic crown preparation step no. 1 placement of depth orientation grooves 1 2mm the labial grooves cut in two sets 1. This article will discuss the clinical considerations in the use of crown systems and preparation guidelines for esthetic metal ceram ic restorations using capter cores. Posterior metal ceramic crowns step no.

1 occlusal reduction followed by functional cusp bevel barell 52.