Implant-supported mandibular overdentures and cortical bone formation: clinical and radiographic results

Saulacic, Nikola; Abboud, Marcus; Pohl, Yango; Wahl, Gerhard (2014). Implant-supported mandibular overdentures and cortical bone formation: clinical and radiographic results. Implant dentistry, 23(1), pp. 85-91. Williams & Wilkins 10.1097/ID.0000000000000032

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PURPOSE: The aim of this study was to evaluate the hard and soft tissue parameters around implants supporting overdentures and the possible influence of increased periimplant bone density (IPBD) on implant success. MATERIALS AND METHODS: A total of 44 dental implants placed in the mandible of 12 patients were included in the study. Implants were divided in 2 groups in relation to the optically detected IPBD. Periimplant clinical and radiographic variables were collected over the period of 5 years. RESULTS: Periimplant clinical and radiographic parameters for all implants did not change significantly throughout the observation period (P > 0.05). Significant differences were observed between implants with and without IPBD for periimplant soft tissue parameters and Periotest values (P < 0.05). Implants with and without IPBD at 5-year control showed mean bone loss of 0.04 ± 0.48 mm and 0.55 ± 0.96 mm, respectively (P = 0.026). All density values decreased throughout the observation period, except maximal values for implants with IPBD that overcome the initial values at the 5-year control. CONCLUSIONS: Implants supporting overdentures were clinically successful over the period of follow-up. IPBD may be related to the maintenance of the periimplant bone level.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Craniomaxillofacial Surgery

UniBE Contributor:

Saulacic, Nikola


600 Technology > 610 Medicine & health




Williams & Wilkins




Caroline Dominique Zürcher

Date Deposited:

08 Jun 2015 15:26

Last Modified:

05 Nov 2015 11:47

Publisher DOI:


PubMed ID:





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