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Sinus lifting procedure. I. One-stage surgery with bone transplant and implants
K E Kahnberg1, A Ekestubbe, K Gröndahl
1Department of Oral and Maxillofacial Surgery, Faculty of Odontology, Göteborg University, SE 405 30 Göteborg, Sweden. k-e_kahnberg@odontologi.gu.se
Clinical Oral Implants Research
|September 21, 2001
Summary
This study found that one-stage sinus lifting with bone grafting had a low implant survival rate, especially in grafted bone. Two-stage surgery might be a safer alternative for bony augmentation.
Area of Science:
- Dentistry
- Oral Surgery
- Implantology
Background:
- Alveolar bone deficiency often requires augmentation for dental implant placement.
- Sinus lifting procedures are common for maxillary posterior reconstructions.
- One-stage surgery combines sinus grafting and implant placement for efficiency.
Purpose of the Study:
- To evaluate the success rate of one-stage sinus lifting with intrasinus bone grafting and simultaneous implant placement.
- To assess implant survival and complication rates in patients needing alveolar process augmentation.
Main Methods:
- A prospective study involving 26 patients undergoing one-stage sinus lifting and implant surgery.
- 126 fixtures were placed; 93 in grafted bone and 33 in native alveolar bone.
- Follow-up periods ranged from three to five years.
Main Results:
- The overall clinical survival rate was 69.6%, with a lower rate of 61.2% in grafted bone.
- Ten patients experienced sinusitis post-fixture installation.
- Low survival rates were observed for inlay-supported implants with the one-stage technique.
Conclusions:
- One-stage sinus lifting with intrasinus bone grafting and simultaneous implant placement demonstrated a compromised survival rate.
- The incidence of sinusitis was a notable complication.
- Two-stage surgical approaches may offer a safer alternative for achieving bony augmentation and implant success.
