This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.

n. The hard, dense calcareous material that makes up the bulk of a tooth

n. The proper substance or tissue of teeth, as ivory, for instance, as distinguised from enamel, cement, or pulp.

n. bone (calcified tissue) surrounding the pulp cavity of a tooth

n. a calcareous material harder and denser than bone that comprises the bulk of a tooth

"Most of the tooth is made up of dentin, which is located directly below the enamel."

os    bone   

Benton    Denton    Renton    Trenton    lenton   

þber    instrumentalization    rhomboidal    coralite    amygdaloid    spongiform    illuminator    ikon    cretonne    calcedony