Cast analysis
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This document discusses methods for analyzing dental casts, including evaluating arch form, tooth alignment and relationships, occlusal relationships, and estimating space required for permanent teeth using radiographs of the mixed dentition. Key aspects that can be examined on dental casts include tooth presence, crowding, spacing, rotations, displacements, and occlusal relationships between the incisors, canines, and molars. Radiographs of the mixed dentition allow estimating future tooth size to determine space availability.
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Cast analysis
- 2. • CAST APART • CAST IN OCCLUSION CAST ANALYSIS
- 4. CAST APART • Arch form • Arch symmetry • Teeth present • Teeth absent • Crowding • Spacing • Buccoversion / linguoversion • Supraversion / infraversion • Torsiversion • Transposition • Proclined • Retroclined
- 5. DEFINITIONS Buccoversion when the tooth is displaced bodily in a labial or buccal direction Linguoversion when entire tooth is displaced in a lingual or palatal direction Infraversion tooth that has not erupted enough in comparison to adjacent teeth Supraversion tooth that has overerupted Torsiversion rotated tooth or tooth movements around its long axis Transposition when two teeth have exchanged their positions
- 9. CAST IN OCCLUSION • Incisor relationship • Canine relation • Molar relation • Overjet • Overbite • Crossbite • Dental midline
- 17. RADIOGRAPHIC METHOD OF SPACE ANALYSIS FOR MIXED DENTITION
- 18. X = (y) (x’)/Y’ X = Estimated size of the permanent tooth X’ = Radiographic size of the permanent teeth Y = The size of the primary mandibular second molar on the cast. Y’ = the radiographic size of the primary molar