1. Between the teeth. 2. Denoting the relationship between the proximal surfaces of the teeth of the same arch. [inter- + L. dens, tooth]
* * *
in·ter·den·tal .int-ər-'dent-əl adj situated or intended for use between the teeth <floss the \interdental spaces>
in·ter·den·tal·ly -əl-ē adv
* * *
in·ter·den·tal (in″tər-denґtəl) [inter- + dental] situated between the proximal surfaces of adjacent teeth in the same dental arch. See also interocclusal and interproximal.Medical dictionary. 2011.