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International Journal of Implant Dentistry

Table 5 Radiographic examination of BV (volumetric changes in graft bone over time)

From: Long-term radiographic assessment of maxillary sinus floor augmentation using beta-tricalcium phosphate: analysis by cone-beam computed tomography

BV

Mean

Reduction rate

Immediately after surgery (n = 30)

1206 ± 437 (477 to 2292)

100 %

6 months after surgery (n = 30)

912 ± 356 (428 to 1760)

75.6 %

2.5 years after surgery (n = 30)

662 ± 294 (204 to 1568)

54.9 %

  1. BV bone volume, n = 30: the number of maxillary sinuses
  2. Reduction rate: provided that volume was 100 % immediately after surgery
  3. Analysis using generalized estimating equations (GEE) with patient clusters
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