During a surgery to remove three molars, he awoke momentarily to see profuse bleeding.

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This is in contrast to metatherians characterized by four molars and three premolars.

BBC: Fossil redefines mammal history

This gene is expressed only in cells in primordia that are destined to become molars, so it is probably a gene that controls the shape of a tooth.

ECONOMIST: It may soon be possible for adults to grow new teeth

And the driving experience is, as we said, beautifully balanced on the tipping point between extreme sportiness that knocks your molars about and placid comfort that costs a tenth of a second through the slalom.

FORBES: Vehicles Feature

Vince runs a toothbrush over his molars.

NPR: Excerpt: 'Citizen Vince'