A mixture of demineralized freeze-dried bone and beta-tricalcium phosphate was used for bone augmentation in a sinus lift procedure. Hydroxyapatite-coated implants were placed in the newly formed bone-like material before prosthetic reconstruction. A biopsy specimen taken at 16 months showed that the bone-like material was composed of normal lamellar and woven bone.
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Scher et al. (1999) studied this question.