Immediate loading of subcrestally placed dental implants in anterior and premolar sites

Publication date: Available online 23 August 2017
Source:Journal of Cranio-Maxillofacial Surgery
Author(s): Anders Henningsen, Ralf Smeets, Kai Köppen, Susanne Sehner, Frank Kornmann, Alexander Gröbe, Max Heiland, Till Gerlach
PurposeImmediate loading of dental implants has been evolving into an appropriate procedure for the treatment of partially edentulous jaws. The purpose of this study was to evaluate the clinical success and radiological outcome of immediately and delayed loaded dental implants in anterior and premolar sites.Materials and MethodsIn this retrospective study, data of 163 individuals requiring tooth removal with subsequent implant placement in anterior and premolar sites were analyzed. Implants were immediately loaded by provisional acrylic resin bridges or loaded with delay. Implants were followed up annually for up to 9 years including intraoral radiographs.ResultsA total of 285 implants in 163 patients were placed. 218 implants were immediately loaded and 67 implants with delay. Fifteen implants failed during the follow-up period resulting in survival rates of 94.5% for immediate loading and 95.5% for delayed loading. After an initial decrease of 0.3 mm in the first 12 months the marginal bone level remained stable. No statistically significant differences were found in marginal bone loss between immediately and delayed loaded implants (P=0.518, 95% CI).ConclusionWithin the limits of this study, immediate loading of immediately subcrestally placed dental implants in anterior and premolar sites is a reliable treatment option for dental rehabilitation.



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