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Anterior teeth selection

Anterior teeth selection. Size Methods using pre-extraction guides. Methods using Anthropological measurements. Methods using Anatomical landmarks . Methods using theoretical concepts. Form Color. PRE-EXTRACTION GUIDES. a. Study cast b. Photographs c. Radiographs d. Extracted teeth.

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Anterior teeth selection

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  1. Anterior teeth selection

  2. Size • Methods using pre-extraction guides. • Methods using Anthropological measurements. • Methods using Anatomical landmarks. • Methods using theoretical concepts. • Form • Color

  3. PRE-EXTRACTION GUIDES. • a. Study cast • b. Photographs • c. Radiographs • d. Extracted teeth

  4. 2.Anthropological measurements A. Anthropometric cephalic index Transverse circumference of head measured with a tape at forehead level. • Sears formula Width of central incisor = Circumfrence of the head /13

  5. B.Bizygomatic width – Approxwidth of six upper anterior = Bizygomaticwidth/3.36

  6. Method using anatomical landmark • canine eminence • buccalfrenum • corner of mouth • Vertical distance between the ridges • Lip line • Ala of nose

  7. LEON WILLAMS THEORY Matching the tooth form to the face form was proposed by him.

  8. DENTOGENIC CONCEPT • Propsed by Frush & Fisher 1956 Teeth were selected according to : 1. sex 2. personality 3. age

  9. POSTERIOR TOOTH SELECTION • Based on antomical landmarks • Buccolingual width • Mesiodistal length • Occlusogingival height • Based on form of the teeth • Cusp teeth • Cuspless teeth

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