This high-yield revision note on Malocclusion Classification: Angle’s, Skeletal vs Dental & Cephalometric Points covers everything examiners typically test under Orthodontics — structured as quick-reference tables, clinical correlations, mnemonics and previous-year-style high-yield points. It's built for last-mile revision before NEET MDS, INI-CET MDS and INBDE, so you can scan it in minutes instead of re-reading a whole textbook chapter.
| Classification | Basis | Categories |
|---|---|---|
| Angle's classification | Molar relationship - position of the mesiobuccal cusp of the maxillary 1st molar relative to the buccal groove of the mandibular 1st molar | Class I (normal molar relationship, but individual teeth may be malaligned), Class II (mandibular molar positioned distal to normal - Division 1 has protruded incisors, Division 2 has retroclined central incisors), Class III (mandibular molar positioned mesial to normal) |
| Skeletal vs Dental malocclusion | Skeletal = discrepancy in the jaw BASE relationship; Dental = teeth are malpositioned despite a normal underlying jaw relationship | Distinguished via cephalometric analysis, not by clinical molar relationship alone |
| Key cephalometric angles | SNA (maxilla relative to cranial base, normal ~82°), SNB (mandible relative to cranial base, normal ~80°), ANB (maxillomandibular discrepancy, normal ~2°) | ANB >4° suggests a skeletal Class II tendency; ANB <0° suggests a skeletal Class III tendency |
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