Maxillary Sinus Floor Augmentation With Autogenous Bone Versus Bovine Bone Mineral Mixed With 25% Autogenous Bone: A 1‐Year Multicenter, Split‐Mouth, Randomized Controlled Trial
Anouck Jue, Justin Pijpe, Eppo Wolvius, Nadja Naenni, Franz J. Strauss, Brend Jonker
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引用次数: 0
Abstract
ObjectivesTo compare autogenous bone (AB) harvested from the mandibular ramus or a mixture of bovine bone mineral (BBM) with 25% locally harvested autogenous bone chips from the maxilla for maxillary sinus floor augmentation (MSFA).Material and MethodsPatients requiring bilateral MSFA and implant placement were enrolled in this study. Maxillary sinuses were randomly assigned (1:1) to one of the two groups: MSFA + AB (AB group) or MSFA + AB + BBM (BBM group). AB was harvested from the mandible (AB group) or locally during MSFA (BBM group). Implants were placed after 4–6 months of healing and loaded 4–6 months later. Patients were examined at baseline (1 month post‐loading) and 12 months post‐loading. Outcome measures included clinician‐ and patient‐reported outcomes.ResultsFifty patients with 198 implants were included (AB = 99, BBM = 99). Twelve implants failed before loading (AB = 6, BBM = 6), and three failed post‐loading (AB = 2, BBM = 1). Implant survival was 92.9% (AB group) and 93.9% (BBM group) at 12 months post‐loading, with no significant differences between the groups (HR, 0.85; 95% CI, 0.28–2.54; p = 0.770). Implant success was 98.8% (AB group) and 97.6% (BBM group), with no significant differences between the groups (HR, 0.49; 95% CI, 0.03–8.05; p = 0.620). No significant differences in marginal bone loss or clinical parameters were found between groups (p > 0.05). Patient satisfaction significantly improved at follow‐ups compared to screening (p = 0.005).ConclusionImplants placed after MSFA with AB or BBM showed comparable results. This indicates that MSFA can be successfully performed without requiring AB from an additional donor site, potentially reducing patient morbidity.Trial RegistrationThis study was registered in the Dutch Trial Register with number NL59578.078.16 on 09‐05‐2017. The study start date was on 21‐08‐2017
期刊介绍:
Clinical Oral Implants Research conveys scientific progress in the field of implant dentistry and its related areas to clinicians, teachers and researchers concerned with the application of this information for the benefit of patients in need of oral implants. The journal addresses itself to clinicians, general practitioners, periodontists, oral and maxillofacial surgeons and prosthodontists, as well as to teachers, academicians and scholars involved in the education of professionals and in the scientific promotion of the field of implant dentistry.