歯し面めんしめんMeanings1nountooth surface; surface of a toothTechnical term used in dentistry and oral care contexts.歯し面めんにプラークが付ふ着ちゃくしている。Plaque is adhering to the tooth surface.歯し面めん清せい掃そうは虫むし歯ば予よ防ぼうに重じゅう要ようだ。Cleaning the tooth surface is important for preventing cavities.