A Clinical Retrospective Study of Distal Extension Removable Partial Denture with Implant Surveyed Bridge or Stud Type Attachment

Table 2

Cumulative survival rate of the implants.

After placement (mo)	ISBRPD group			IARPD group
	Implants (N)	Failed implants (N)	CSR (%)	Implants (N)	Failed implants (N)	CSR (%)
12~24	10	—	100	12	—	100
25~36	8	—	100	6	—	100
over 36	7	—	100	10	—	100

CSR: cumulative survival rate of implants.