The Mandibular Third Molar: A Study in the Potential of Predicting the Eruption Status1975 - Dentition |
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analysis Anterior nasal spine apex ARTIC ANGLE axial inclination AXIAL OCC PL Bjork calcification central incisors CEPHALOMETRIC MEASUREMENTS CGON Class II Division condylar growth direction constructed gonion dental measurements distance error erupted and impacted erupted groups erupted individuals eruption or impaction Extraction Group Extraction males final cephalogram final observation final record functional occlusal plane gonial angle Haavikko impacted groups impacted individuals impaction rate initial and final initial cephalogram initial record investigation L.8 AXIAL L.8 OCC TAB L6 CEJ L8 MIDPT line PTM linear regression males and females malocclusions MAND PL mandible mandibular first molar mandibular second molar mandibular third molar maxillary maxillary central incisors Mean S.D. Mean MEAN STOV menton mesial MIDPT PTM LN NON-EXTRACTION FEMALES Non-Extraction Group NON-EXTRACTION MALES orthodontic OVERBITE posterior pterygomaxillary fissure PTM LINE RAMUS WIDTH S.D. Mean S.D. sample sexual dimorphism significant difference SN PL space distal STANDARD DEVIATION symphysis tangent third molar development