Abstract
BackgroundThe aim of this retrospective study was to evaluate the implant survival, clinical and radiographic outcomes, and patient satisfaction of single implant-supported two-unit cantilever fixed partial dentures in the posterior region.MethodsPatients who received a single implant-supported fixed partial denture with a cantilever in the posterior region between January 2004 and February 2018 were included. Survival rate of the implants and the fixed partial dentures and data regarding the marginal bone level, presence of plaque, calculus, bleeding on probing, mucosa health, pocket probing depth, and patient satisfaction were collected during an evaluation visit. Complications were recorded from the medical records.ResultsTwenty-three patients (mean age 64 ± 13 years) with 28 implants could be included in the study. The mean follow-up period was 6.5 ± 4.8 years at the time of data collection. The survival rate of the implants and fixed partial dentures was 100%. Mean marginal bone loss for the mesial and distal side of the implants was 0.41 mm (SD 1.18 mm) and 0.63 mm (SD 0.98 mm) respectively. A high prevalence of peri-implant-mucositis (89.3%) and peri-implantitis (17.9%) was observed as well as a limited number of technical complications. Patients were quite satisfied, as reflected by a mean VAS score of 94.0 ± 7.2 points (range 0–100) and a OHIP-NL49 score of 10.8 (range 0–196).ConclusionsSingle implant-supported fixed partial dentures with a mesial or distal cantilever can be a predictable treatment option in the posterior region, with stable peri-implant bone levels, minor technical complications, and very content patients. However, the prevalence of peri-implant mucositis and peri-implantitis was high.Trial registrationISRCTN, ISRCTN79055740, Registered on March 14, 2021 – —Retrospectively registered.
Highlights
The aim of this retrospective study was to evaluate the implant survival, clinical and radiographic outcomes, and patient satisfaction of single implant-supported two-unit cantilever fixed partial dentures in the posterior region
The design of the study is a retrospective analysis of all patients treated with a single implant-supported twounit cantilever Fixed partial denture (FPD) in the posterior region of the maxilla or mandible between the period January 1, 2004, and January 1, 2018, in a private referral practice in Apeldoorn, The Netherlands
Twenty-three patients (n = 23) with altogether 28 single implant-supported two-unit cantilever FPDs in the posterior region of maxilla or mandible were able and willing to participate in the study
Summary
The aim of this retrospective study was to evaluate the implant survival, clinical and radiographic outcomes, and patient satisfaction of single implant-supported two-unit cantilever fixed partial dentures in the posterior region. Many treatment options are thoroughly evaluated, it is acknowledged that new trends evolve and that there are still remaining questions which need to be answered [3]. An example of such a question is whether it is clinically feasible to provide a single implant with a crown extended with a cantilever unit in case of two missing teeth in the posterior region of the maxilla or mandible. This kind of construction bears the risk of overloading the implant and the suprastructure which could lead to biological and technical complications [4]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
