noun
cavity margin
Technical term used in dentistry and anatomy for the edge or border of a cavity, such as a tooth cavity or a body cavity.
窩縁の処理は虫歯治療で重要です。
Treatment of the cavity margin is important in dental caries therapy.
この標本では窩縁が明瞭に観察できる。
In this specimen, the cavity margin can be clearly observed.