As synthetic bone substitute materials become more popular, it will be important to examine the tissue composition of augmented sites after using these materials. A recent study compared different types of hydroxyapatite (HA), for sinus floor elevation and augmentation.
Both synthetic bone substitute materials, nanocrystalline and nanoporous HA, were found to support bone formation in sinus floor elevation and augmentation procedures by osteoconductivity. They were not completely resorbed after 6 months. The amounts of newly formed bone, soft tissue, and bone substitute material remnants were found to be similar, indicating that both materials are likewise suitable for sinus floor elevation and augmentation procedures.
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1. Int J Oral Maxillofac Implants. 2016 Nov/Dec Sinus Floor Elevation and Augmentation Using Synthetic Nanocrystalline and Nanoporous Hydroxyapatite Bone Substitute Materials: Preliminary Histologic Results. Belouka SM, et al.