mesial surface of tooth

me·si·al sur·face of tooth

[TA] the contact surface of a tooth that is directed toward the median plane of the dental arch; opposite to the facies distalis dentis. Synonym(s): facies mesialis dentis [TA]

me·si·al sur·face of tooth

(mēzē-ăl sŭrfăs tūth) [TA] Contact tooth surface directed toward median plane of dental arch; opposite facies distalis dentis.
Synonym(s): facies mesialis dentis.