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M9 · 5 steps

M9: Wax carving and morphology

A wax-up of #9, the maxillary left central incisor. Five steps take you from the long axis and cervical outline through cusps, ridges and contacts to comparing each view against a licensed morphology reference. Your program grades this one.

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M9 has 5 steps, a 3D view and checks. They open with the $99 season (90 days), the $149/yr student seat, or a class code that assigns this lesson. M0 and M1 are free.

Unlock the full library Open free M1
Sources: Published criteria sheet 1
English한국어
✕M9: Wax carving and morphology
M9: Wax carving and morphology

A wax-up of #9, the maxillary left central incisor. Five steps take you from the long axis and cervical outline through cusps, ridges and contacts to comparing each view against a licensed morphology reference. Your program grades this one.

Outline · 5 steps
1. Orient tooth and mark long axis
2. Establish crown height and cervical outline
3. Build primary cusps/ridges and fossae
4. Refine proximal contacts and embrasures
5. Compare buccal/lingual/occlusal views to licensed morphology reference

Unlock the full library

M9 has 5 steps, a 3D view and checks. They open with the $99 season (90 days), the $149/yr student seat, or a class code that assigns this lesson. M0 and M1 are free.

Unlock the full library Open free M1
Sources: Published criteria sheet 1

Practice feedback against the 2026–27 published crown-prep criteria (molar). Not an exam or admissions result; your program and examiners decide.