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M7 · 6 steps

M7: Molar onlay

A molar onlay on #30 that covers every cusp and boxes the mesial and distal surfaces, next to #29 and #31. Six steps run from depth guides and cusp reduction to the box walls, the margins and the putty index check.

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M7 has 6 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 · Published criteria sheet 2 · Published criteria sheet 3
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✕M7: Molar onlay
M7: Molar onlay

A molar onlay on #30 that covers every cusp and boxes the mesial and distal surfaces, next to #29 and #31. Six steps run from depth guides and cusp reduction to the box walls, the margins and the putty index check.

Outline · 6 steps
1. Mark cusp coverage and cut depth guides
2. Reduce the cusps with a functional bevel
3. Open the mesial and distal boxes behind a guard
4. Plane the box walls on one line of draw
5. Finish the box margins
6. Round line angles and seat the putty index

Unlock the full library

M7 has 6 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 · Published criteria sheet 2 · Published criteria sheet 3

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