proximolingual

prox·i·mo·lin·gual

(prok'si-mō-ling'gwăl),
Relating to the proximal and lingual surfaces of a tooth; denoting the angle formed by their junction.

proximolingual

(prŏk″sĭ-mō-lĭng′gwăl) [″ + lingua, tongue]
Concerning the proximal and lingual surfaces of a tooth.

prox·i·mo·lin·gual

(prok'si-mō-ling'gwăl)
Relating to proximal and lingual tooth surfaces; denoting angle formed by their junction.