Stability of autogenous bone grafts after sinus lift procedures: A comparative study between anterior and posterior aspects of the iliac crest and an intraoral donor site

Michael Thorwarth, Safwan Srour, E. Felszeghy, Peter Kessler, Stefan Schultze-Mosgau, Karl Andreas Schlegel

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Background. Autologous bone is the standard material used for augmentations in oral-maxillofacial surgery. Depending on the origin of the graft, subsequent bone resorption may vary. Study design. This prospective study evaluated 57 patients receiving 2-stage sinus floor augmentations. Monocortical samples were taken at the site of bone harvesting, including the posterior (n = 28) and anterior pelvic (n = 15) and retromolar (n = 14) regions. At second-stage surgery, 6 months after the implant insertion, bone cores were harvested at the site of implant placement. All samples were analyzed by microradiography. Results. Mean retromolar mineralization was 68.7% ± 8.75%; 35.1% ± 7.6% in the anterior and 30.7% ± 9.5% in the posterior iliac crest. Areas augmented with grafts originating from the retromolar region showed a significant decrease to 53.0% ± 5.15% (P = .001). A stable mineralization of 36.1% ± 7.59% was found in sites where bone grafts from the anterior pelvic crest were used. Grafts from the posterior pelvis showed a slight increase to 34.5% ± 6.5%. Conclusion. This prospective clinical study demonstrates the differences in mineralization depending on the origin of autogenous bone. Even after 6 months, these values could still be correlated to the transplants origin.

Original languageEnglish
Pages (from-to)278-284
Number of pages7
JournalOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
Volume100
Issue number3
DOIs
Publication statusPublished - Sep 2005

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Tissue Donors
Transplants
Bone and Bones
Oral Surgery
Sinus Floor Augmentation
Microradiography
Prospective Studies
Bone Resorption
Pelvis

ASJC Scopus subject areas

  • Dentistry(all)
  • Pathology and Forensic Medicine
  • Radiology Nuclear Medicine and imaging
  • Surgery

Cite this

Stability of autogenous bone grafts after sinus lift procedures : A comparative study between anterior and posterior aspects of the iliac crest and an intraoral donor site. / Thorwarth, Michael; Srour, Safwan; Felszeghy, E.; Kessler, Peter; Schultze-Mosgau, Stefan; Schlegel, Karl Andreas.

In: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology, Vol. 100, No. 3, 09.2005, p. 278-284.

Research output: Contribution to journalArticle

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AB - Background. Autologous bone is the standard material used for augmentations in oral-maxillofacial surgery. Depending on the origin of the graft, subsequent bone resorption may vary. Study design. This prospective study evaluated 57 patients receiving 2-stage sinus floor augmentations. Monocortical samples were taken at the site of bone harvesting, including the posterior (n = 28) and anterior pelvic (n = 15) and retromolar (n = 14) regions. At second-stage surgery, 6 months after the implant insertion, bone cores were harvested at the site of implant placement. All samples were analyzed by microradiography. Results. Mean retromolar mineralization was 68.7% ± 8.75%; 35.1% ± 7.6% in the anterior and 30.7% ± 9.5% in the posterior iliac crest. Areas augmented with grafts originating from the retromolar region showed a significant decrease to 53.0% ± 5.15% (P = .001). A stable mineralization of 36.1% ± 7.59% was found in sites where bone grafts from the anterior pelvic crest were used. Grafts from the posterior pelvis showed a slight increase to 34.5% ± 6.5%. Conclusion. This prospective clinical study demonstrates the differences in mineralization depending on the origin of autogenous bone. Even after 6 months, these values could still be correlated to the transplants origin.

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