J Periodontal Implant Sci.  2011 Apr;41(2):98-104.

Case series of maxillary sinus augmentation with biphasic calcium phosphate: a clinical and radiographic study

  • 1Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry, Seoul, Korea. shchoi726@yuhs.ac


The aim of this study was to evaluate 3.5 years-cumulative survival rate of implants placed on augmented sinus using Osteon, a bone graft material, and to assess the height of the grafted material through radiographic evaluation.
Twenty patients were treated with maxillary sinus augmentation and 45 implant fixtures were installed simultaneously or after 6 months healing period. The height of the augmented sinus and the loss of marginal bone were measured by panoramic and intraoral radiographs immediately after augmentation and up to 42 months (mean, 19.4 months) subsequently. Changes in the height of the sinus graft material were calculated radiographically.
The cumulative survival rate was 95.56% in all 45 implants. Additionally, normal healing process without any complication was observed in all patients. The original sinus height was mean 4.3 mm and the augmented sinus height was mean 13.4 mm after the surgery. The mean marginal bone loss till 42 months was 0.52+/-0.56 mm. The reduced height of Osteon was 0.83+/-0.38 mm and it did not show significant correlation with the follow up periods (P=0.102). There were no statistically significant differences in reduced height of Osteon according to the simultaneous/delayed implantation (P=0.299) and particle size of Osteon (P=0.644).
It can be suggested that Osteon may have predictable result when it was used as a grafting material for sinus floor augmentation.


Dental implants; Maxillary sinus; Survival rate

MeSH Terms

Dental Implants
Follow-Up Studies
Haversian System
Maxillary Sinus
Particle Size
Sinus Floor Augmentation
Survival Rate
Dental Implants


  • Figure 1 Scanning electron microscope image of Osteon.

  • Figure 2 Schematic drawing illustrating the linear measurements taken from radiographs. (A) Immediately after the sinus augmentation. (B) 1-year after the sinus augmentation. ASH (m): mesial augmented sinus height, ASH (d): distal augmented sinus height, OAH (m): mesial original alveolar bone height, OAH (d): distal original alveolar bone height, MBL: marginal bone loss, I: implant fixture length, C: crown length.


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