ArticleKerschbaum T.
Dtsch Zahnarztl Z. 1977 Dec;32(12):971-5.
Prosthetic provision with removable part-replacement was divided into 7 groups according to the type of support and the prognosis was established on the basis of caries activity and several criteria of the periodontal condition, separated according to anchoring or supporting teeth as well as the remaining teeth. Generally regressive changes must be expected which become more marked with reduction in the number of teeth and support possibilities.