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Case Report Open Access
Purpose: To present two cases with noticeable bone gain beyond the implant tip after a crestal approach sinus lift using PRF as the sole grafting material. Materials and Methods: Two PRFs were packed into each implant hole to elevate the Schneiderian membrane and sandblasted acid-etched implants were inserted simultaneously. Results: The follow-up panoramic radiographs and CTs showed that the new sinus floor was above the implant tip and the cortical outline was clear. Conclusion: The findings from both cases suggest that the PRF can promote noticeable bone gain in the crestal approach sinus lift procedure. A greater number of patients and a longer follow-up period are needed to investigate the reliability of this technique.
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Author(s): Takeo Kanayama, Yasuyuki Shibuya, Keinoshin Wada, Soichiro Asanami
Sinus floor elevation, PRF, Bone gain., Bone Regeneration