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

Of those on board, 25% had no significant tooth decay, leading Admiral Lippiett to suggest the "shape of their teeth was far better than in today's society".

BBC: NEWS | UK | Magazine | Just what did the Mary Rose tell us?