Articles and Lectures


Clinical Evaluation of Alveolar Ridge Preservation with a β-Tricalcium Phosphate Socket Graft
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Robert A. Horowitz, DDS; Ziv Mazor, DMD; Robert J. Miller, DDS; Jack Krauser, DMD; Hari S. Prasad, BS, MDT; and Michael D. Rohrer, DDS, MS

Abstract: PURPOSE: To determine the efficacy of an alloplastic graft material, consisting of a pure-phase β-tricalcium phosphate (β-TCP), in the preservation of ridge volume after tooth extraction and before dental implant placement. Histomorphometric analysis was completed on a few samples to determine the percentage of vital bone over a fixed healing period.

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Sinus Floor Augmentation With Simultaneous Implant Placement Using Choukroun’s Platelet-Rich Fibrin as the Sole Grafting Material: A Radiologic and Histologic Study at 6 Months
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Ziv Mazor, Robert A. Horowitz, Marco Del Corso, Hari S. Prasad, Michael D. Rohrer, and David M. Dohan Ehrenfest

Key Words: Blood platelets; bone regeneration; dental implants; fibrin; maxillary sinus; wound healing

Background: Sinus augmentation with simultaneous implant placement without bone graft material is a hotly debated technique. This technique could be improved and secured by the use of an autologous leukocyte- and platelet-rich fibrin (PRF) (Choukroun’s technique) concentrate. The objectives of this study were to assess the relevance of PRF clots and membranes as the sole filling material during a lateral sinus lift with immediate implantation using radiologic and histologic analyses in a case series.

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β-Tricalcium Phosphate as Bone Substitute Material: Properties and Clinical Applications
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Robert A. Horowitz DDS; Ziv Mazor DMD; Christian Foitzik; Hari Prasad, BS, MDT; Michael Rohrer, DDS, MS; Ady Palti, DMD

Key words: bioinert, bioactive, osteoconductive, allogenic, xenogenic

Background: As the scope of implant dentistry widens, hard tissue augmentation is becoming more common. The previous “gold standard” for bone augmentation,

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Enhancing Extraction Socket Therapy
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Robert A. Horowitz, DDS1 • Michael D. Rohrer, DDS, MS2 • Hari S. Prasad BS, MDT • Ziv Mazor DMD

Key words: Site preservation, alloplast, dental implants

Abstract: Patients present for extraction of teeth for numerous reasons. Whether teeth are being removed in preparation for orthodontic therapy, malposition or to eliminate dental disease, the sites require reconstruction. Many patients will have restorations placed over or adjacent to these areas of reconstructed bone.

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