Clinical Study

Comparative Study on the Efficacy of Anorganic Bovine Bone (Bio-Oss) and Nanocrystalline Hydroxyapatite (Ostim) in Maxillary Sinus Floor Augmentation

Table 1

Results of histomorphometric and radiographic findings by Bio-Oss and Ostim biomaterials.

Patient numberHistomorphometric findingsRadiological findings
Percentage of residual
materials
Percentage of new
bone
Percentage of
connective tissue
New bone density
(hounsfield units)
Augmentation height
(mm)
Bio-OssOstimBio-OssOstimBio-OssOstimBio-OssOstimBio-OssOstim

114.7015.9022.1024.2063.2059.90301.00290.007.107.90
225.0028.1020.2332.7054.7739.20285.00322.007.1010.20
341.0527.3012.7521.2046.2051.50295.00334.008.307.90
436.5023.3012.3018.2051.2058.50229.00254.007.307.60
539.9020.8026.1025.3034.0053.90299.00339.007.508.20
628.4016.9013.1621.3058.4461.80313.00292.007.206.90
733.1321.7026.8334.2040.0444.10261.00317.007.408.30
828.9019.2021.9033.5049.2047.30279.00286.007.607.90
933.4018.1027.6328.1038.9753.80294.00320.008.307.60
Median33.1320.8021.925.349.253.82943177.47.9
Median of differences (IQR)−11.50 (−14.52–−11.50)7.37 (1.28–10.02)4.06 (−2.60–11.06)26.00 (−2.00–39.50)0.30 (−0.35–0.85)
value0.0210.0150.1730.0380.191