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A 3-year clinical follow-up of implants placed in 2 differentbiomaterials used for sinus augmentation
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- Lindgren, Christer (author)
- Östergötlands Läns Landsting,Linköpings universitet,Institutionen för klinisk och experimentell medicin,Hälsouniversitetet,Käkkliniken US
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- Mordenfeld, Arne (author)
- Department of Oral and Maxillofacial Surgery, Gävle, County Hospital, Sweden/Dept of Biomaterials, Institute of Clinical Sciences, Göteborg University, Sweden
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- Johansson, CB (author)
- School of Health and Medical Sciences, Örebro University, Örebro, Sweden
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- (creator_code:org_t)
- English.
- Other publication (other academic/artistic)
Abstract
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- Purpose: The aims of the present study were to compare a novel biphasic calcium phosphate (BCP) with deproteinized bovine bone (DBB) used for maxillary sinus floor augmentation (MSFA) in a split mouth design, and to perform a clinical follow-up of placed dental implants. Material and Methods: Nine completely edentulous patients and two partially edentulous patients with a mean age of 67 years requiring bilateral sinus augmentation were included in the study. The patients were randomized for augmentation with BCP (test) and DBB (control) in the contralateral side. After 8 months of graft healing, 62 implants with an SLActive® surface (Strauman®, Basel, Switzerland) were placed. After 3 years of graft healing core biopsies were obtained from the grafted areas for histological and histomorphometrical analysis. After 3 years of functional implant loading, implant survival/success rate, clinical indexes, radiographical examination and resonance frequency analysis (RFA) wereperformed. Results: The mean values of the area of newly formed bone in the biopsies was 29% ±14.3% and 32% ± 18.0% for BCP and DBB respectively and graft particles in contact with bone in the BCP group was 38% ± 10.9% compared to 44% ± 12.1% for the DBB group, showing no significant differences between the groups. The mean values of the area of BCP particles and DBB particles were 20% ± 7.5% and 24% ± 13.5% respectively (non-significant). Irrespective of particles used, one dental implant was lost from each group, giving an overall implant survival rate of 96.8% after 3-years of loading. Conclusion: The results of this prospective 3-year clinical and histological follow up demonstrated a similar amount of newly formed bone irrespectively of the used biomaterial. The choice of biomaterial does not seem to influence the survival rates of the implants.
Keyword
- Biphasic calcium phosphate
- deproteinized bovine bone
- histology
- implants
- sinus floor augmentation
- MEDICINE
- MEDICIN
Publication and Content Type
- vet (subject category)
- ovr (subject category)
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- Mordenfeld, Arne
- Johansson, CB
- Hallman, Mats
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