Abstract
Nowadays it is popular to use the implant in partially edentulous patients. The ease with which prognosis can be made and the high level of patient satisfaction are commonly recognized. Often, however, the implant cannot be used under certain conditions. On the other hand, to choose suitable cases and to keep basic items of RPD (Removable Partial Denture) from which both clients and doctors are likely to refrain, also make the prognosis more reliable. This paper presents several cases of curing by RPD carried under each condition.