Volume 14, Issue s1 pp. e169-e174

Vertical Bone Augmentation with Simultaneous Dental Implantation Using Crestal Biomaterial Rings: A Rabbit Animal Study

Florian G. Draenert MD, DDS, PhD

Corresponding Author

Florian G. Draenert MD, DDS, PhD

Associate professor, Clinic for Oral & Maxillofacial Surgery, University of Mainz, Mainz, Germany

Dr. Florian G. Draenert, Augustusplatz 2, 55131 Mainz, Germany; e-mail: [email protected]Search for more papers by this author
Peer W. Kämmerer MD, DDS

Peer W. Kämmerer MD, DDS

assistant professor, Clinic for Oral & Maxillofacial Surgery, State Medical and Pharmaceutical University “Nicolae Testemitanu,” Chisinau, Moldova

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Victor Palarie MD, DDS

Victor Palarie MD, DDS

assistant professor, Clinic for Oral & Maxillofacial Surgery, State Medical and Pharmaceutical University “Nicolae Testemitanu,” Chisinau, Moldova

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Wilfried Wagner MD, DDS, PhD

Wilfried Wagner MD, DDS, PhD

chairman, Clinic for Oral & Maxillofacial Surgery, University of Mainz, Mainz, Germany

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First published: 06 December 2011
Citations: 14

ABSTRACT

Background: Ceramic biomaterial blocks like hydroxyl apatite are too brittle for simple simultaneous vertical augmentation and dental implant placement. Biological scaffolds of xenogenic or allogenic origin are known to be advantageous.

Purpose: The aim of this study was the proof of principle for combined vertical bone augmentation and dental implantation with marginal cuffs made of biological scaffolds with interconnecting porous system and titanium dental implants.

Materials and Methods: Cylindrical porcine biomaterial rings (processed, mineralized bone matrix) were placed in combination with titanium dental implants in the tibia model using six chinchilla bastard rabbits (n = 12 samples). Histological examination included undecalcified histological examination with toluidine blue staining and fluorescence microscopy. Animals were sacrificed after 30 days.

Results: The results showed bony healing in the scaffolds with immature bone tissue ingrowth following the trabecular structure, showing lamellar cancellous bone healing. Fluorescence microscope showed analogous results.

Conclusion: The biological scaffold proved a biocompatibility in a xenogenic setting. The vertical bone augmentation with simultaneous implantation was successful and proved the feasibility of the concept.

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