The risk factors of early implant failure: A retrospective study of 6113 implants

Abstract

Background The risk factors of early implant failure were controversial among previous studies, especially for implants in different sites. Purpose To analyze the rate and risk factors of early implant failure occurring before the placement of final prosthesis. Materials and methods A retrospective study was conducted based on electrical medical records of patients who received dental implant placement from 2015 to 2019. Generalized estimation equation analyses were used to explore potential risk factors influencing early implant failure. Results Overall, 6113 implants in 3785 patients were included. The rate of early implant failure was 1.6% at patient level and 1.2% at implant level. The early implant failure was significantly associated with implants in the posterior maxilla, with specific surface modifications and in previously augmented sites (p < 0.05). Risk factors for maxillary implants included surface modification and bone augmentation procedures (p < 0.01), whereas risk factors for mandibular implants included gender and bone augmentation procedures (p < 0.05). For implants placed in previously augmented sites, implants placed in the anterior mandible had a higher risk of early failure (p < 0.05). Conclusions The risk factors for early implant failures varied among different sites; hence, they should be comprehensively considered in presurgical treatment plan.

Engineering immunomodulatory and osteoinductive implant surfaces via mussel adhesion-mediated ion coordination and molecular clicking

“…Bone implantation using nonliving materials (e.g., metals, polymers, and ceramics) as bone substitutes has proven to be an efficient clinical method for bone fracture fixation, joint arthroplasty, spinal reconstruction, and so on 1 – 3 . Clinically, the success rate of integration between implants and bone tissues exceeds 95% 4 , 5 , while the failure rate of early implantation was about 1.2% due to the development of fibrous tissue between the implants and the surrounding bone tissues in the healing period 6 . The general problem in these exogenous biomaterials is their bio-inertness, lacking in bioactivities to completely adapt to the complex physiological bone regeneration process.…”

Antibacterial and Osteogenic Properties of Ag Nanoparticles and Ag/TiO2 Nanostructures Prepared by Atomic Layer Deposition

“…Despite the great progress in the development of new bioactive materials with accelerated osseointegration, the problem of a large number of implant rejections is still very relevant. A 5-year retrospective study (2015–2019) of 6113 dental implants indicated that the rate of failure is about 1.2% [ 9 ]. Most of these cases were caused by bacterial infection.…”

Does implant location influence the risk of peri‐implantitis?

“…Data on peri‐implantitis related to the maxilla (5226 implants) and mandible (4370 implants) showed a higher prevalence in the maxilla (38.3%) than in the mandible (28.9%) 1,2,7,11–14,17,19,27,39,41 . Previous retrospective studies also observed a greater number of risk factors and probability of implant loss in the maxillary region 68,69 . Serino and Turri 70 found that 131 out of 264 patients with implants were diagnosed with peri‐implantitis.…”

“…1,2,7,[11][12][13][14]17,19,27,39,41 Previous retrospective studies also observed a greater number of risk factors and probability of implant loss in the maxillary region. 68,69 Serino and Turri 70 found that 131 out of 264 patients with implants were diagnosed with peri-implantitis. Most of the implants associated with peri-implantitis were located in the maxilla, mainly in the anterior region.…”