Crowns

All-ceramic crown

2.0 mm

1.0–1.5 mm

Yes for posterior teeth

Deep chamfer or radial shoulder

0.8–1.0 mm

6–10°

Metal-ceramic crown (PFM)

• 1.5–2.0 mm posterior

• 2.0 mm incisal anterior

• Labial/buccal 1.2–1.5 mm

• Lingual/palatal 0.5–1.0 mm

Yes for posterior teeth

• Buccal → shoulder/heavy chamfer

• Lingual → chamfer

• Buccal about 1.0–1.5 mm

• Lingual about 0.5 mm

10–20°

Full metal crown

1.0 mm

0.5 mm

Usually incorporated within occlusal reduction

Chamfer

0.3–0.5 mm

10–20°