Osteotome sinus floor elevation and simultaneous implant placement in grafted biomaterial sockets: 3 years of follow-up

Roberto Crespi, Paolo Capparè, Enrico Gherlone

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Background: Immediate bone grafting procedures were proposed to preserve bone volume in residual damaged alveolar walls and to prevent the expansion of the sinus floor in the maxillary molar region. The use of an osteotome allows vertical bone augmentation and localized sinus elevation with minimal surgical trauma. The aim of this study is to evaluate the clinical outcome of implants placed in previously grafted alveoli that were expanded at a second-stage surgery by an osteotome technique. Methods: Twenty patients requiring extraction of one or two upper molar teeth and/or a second premolar were selected. Thirty teeth were extracted, and their fresh sockets immediately received magnesium-enriched hydroxyapatite as a graft material. Three months after bone filling, osteotome sinus floor elevations were performed in grafted sites, and 30 titaniumdental implants were placed. Three months after implant placement, temporary restorations were performed. Followup examinations and intraoral digital radiographs were taken at baseline and 6, 12, 24, and 36 months after implant placement to evaluate the alveolar bone gain for each implant. Comparisons among mean values of alveolar bone gain over time were performed by the Student two-tailed t test. Results: At the 36-month follow-up, a survival rate of 100% was reported for all implants. The alveolar bone gain after 6 months of healing was 2.41 ± 1.23 mm. Successively, after 12 months, the bone gain increased (3.85 ± 1.37 mm). At 24 and 36 months after implant placement, the levels were stable (3.86 ± 1.50 mm and 3.82 ± 1.57 mm, respectively). Statistical analyses showed a significant difference (P

Original languageEnglish
Pages (from-to)344-349
Number of pages6
JournalJournal of Periodontology
Volume81
Issue number3
DOIs
Publication statusPublished - Mar 2010

Fingerprint

Biocompatible Materials
Bone and Bones
Tooth
Residual Volume
Bone Transplantation
Bicuspid
Durapatite
Magnesium
Survival Rate
Students
Transplants
Wounds and Injuries

Keywords

  • Dental implants
  • Maxillary sinus surgery
  • Tooth socket

ASJC Scopus subject areas

  • Periodontics

Cite this

Osteotome sinus floor elevation and simultaneous implant placement in grafted biomaterial sockets : 3 years of follow-up. / Crespi, Roberto; Capparè, Paolo; Gherlone, Enrico.

In: Journal of Periodontology, Vol. 81, No. 3, 03.2010, p. 344-349.

Research output: Contribution to journalArticle

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