Relating to the distal and lingual surfaces of a tooth; denoting the angle formed by their junction.
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dis·to·lin·gual -'liŋ-g(yə-)wəl adj relating to or situated on the distal and lingual surfaces of a tooth <the \distolingual cusp>
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dis·to·lin·gual (dis″to-lingґgwəl) pertaining to or formed by the distal and lingual surfaces of a tooth, or the distal and lingual walls of a tooth cavity preparation.Medical dictionary. 2011.