Postextraction osteotome sinus floor elevation technique using plasma-rich growth factors

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PURPOSE: To evaluate a modified osteotome sinus floor elevation technique with immediate postextraction implant placement and the adjunct of a platelet-derived fibrin plug for the rehabilitation of maxillary premolar sites. MATERIAL AND METHODS: Fifteen patients with nonrestorable fractured endodontically treated maxillary premolars were consecutively enrolled in the study. After extraction, the membrane was gradually elevated using osteotomes, with the interposition of a fibrin clot. Subsequently, an implant embedded with plasma very rich in growth factors was inserted. RESULTS: No implant failed after a mean follow-up of 35 months. The average membrane lift was 2.9 ± 0.8 mm. After 1 year of loading, marginal bone loss averaged 0.36 ± 0.19 mm. No postoperative symptoms were reported. All patients reported full satisfaction for mastication function, phonetics, and aesthetics. CONCLUSIONS: The present technique represents a viable option for the rehabilitation of fresh postextraction maxillary premolar sockets.

Original languageEnglish
Pages (from-to)418-424
Number of pages7
JournalImplant Dentistry
Issue number6
Publication statusPublished - Dec 2011


  • dental implants
  • maxillary sinus augmentation
  • osteotome technique
  • platelet-rich growth factors
  • tooth extraction

ASJC Scopus subject areas

  • Oral Surgery


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