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Oral Anatomy & Histology

Eruption Sequence of Permanent Teeth: INBDE High-Yield Mnemonics

NEET MDSINI-CET MDSINBDE

This high-yield revision note on Eruption Sequence of Permanent Teeth: INBDE High-Yield Mnemonics covers everything examiners typically test under Oral Anatomy & Histology — 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.

OrderMandibularMaxillary
11st molar (6 yrs)1st molar (6 yrs)
2Central incisor (6-7 yrs)Central incisor (7-8 yrs)
3Lateral incisor (7-8 yrs)Lateral incisor (8-9 yrs)
4Canine (9-10 yrs)1st premolar (9-10 yrs)
51st premolar (10-12 yrs)2nd premolar (10-11 yrs)
62nd premolar (11-12 yrs)Canine (11-12 yrs)
72nd molar (11-13 yrs)2nd molar (12-13 yrs)
83rd molar (17-21 yrs)3rd molar (17-21 yrs)
Mandibular sequence: "6-1-2-C-4-5-7-8" (canine erupts BEFORE premolars in mandible). Maxillary sequence: "6-1-2-4-5-C-7-8" (canine erupts AFTER premolars in maxilla - reverse order compared to mandible = classic INBDE trick).
HY: First permanent tooth to erupt = mandibular 1st molar (6-year molar), NOT preceded by primary tooth exfoliation - it erupts distal to 2nd primary molar. Maxillary canine is the LAST anterior tooth to erupt & has the longest root - most commonly impacted after 3rd molars.
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