修复医学教学（中山大学）Selection and Arrangement of Artificial Teeth.pdfVIP

Selection and Arrangement of Artificial Teeth Instructor:Xiao Xue 肖 雪 A complete denture should  Be esthetically pleasing.  Allow patient to speak normally  Function well.  Protect the tissues over residual ridge. Preparation for teeth arrangement Five factors Selection of Artificial Teeth  Material of artificial teeth  Size and shape of artificial teeth  Shade of artificial teeth  Material of artificial teeth  porcelain abrasive,but tend to chip and fracture.  Acrylic resin  Composite resin 1.rapid wear 2.easy to grinding 3.chemical bonding to the base 4.reduce the necessary abrasion and destruction of the opposite teeth  Size and shape of artificial teeth anterior teeth 1. size coupled with actual measurement. anterior teeth 2. mold  actual teeth, previous models or photograph.  Tooth Forms • Face Forms  SPA theory • Sex • Personality • Age harmony of incisal wear and age posterior teeth 1. cuspal inclination  Vary from steep to flat 1.anatomic teeth(33º) 2.half-anatohmic teeth(20º) 3.nonanatomic teeth(0º)  Selection based on the concept of occlusion to be developed. posterior teeth 2. Size  Buccolingual width Should be less than the widths o