Upper right first molar
Dens molaris
SkeletalSkeletonHeadRight side
- What it is
- Large grinding tooth with four cusps around a central fossa and three roots (two buccal, one palatal). The crown is covered with enamel, the hardest substance in the body.
- Function
- Grinds food into a paste during chewing.
- Size
- Crown ≈ 10.0 × 11.0 mm, 7.5 mm tall; root ≈ 13 mm
- Clinical note
- The first molar erupts at about 6 years (the "six-year molar") and is the key to the bite.