Source:http://linkedlifedata.com/resource/umls/id/C0026367
MSH: The most posterior teeth on either side of the jaw, totaling eight in the deciduous dentition (2 on each side, upper and lower), and usually 12 in the permanent dentition (three on each side, upper and lower). They are grinding teeth, having large crowns and broad chewing surfaces. (Jablonski, Dictionary of Dentistry, 1992, p821),NCI: A grinding tooth with a broad crown; located behind the premolars. (NCI),NCI: A grinding tooth with a broad crown; located behind the premolars.