Relating to the distal and buccal surfaces of a tooth; denoting the angle formed by their junction. ... (05 Mar 2000) ... 
(dis″to-buk´әl) pertaining to or formed by the distal and buccal surfaces of a tooth, or by the distal and buccal walls of a tooth cavity.
Type: Term Pronunciation: dis′tō-bŭk′ăl Definitions: 1. Relating to the distal and buccal surfaces of a tooth; denoting the angle formed by their junction.