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ORIGINAL ARTICLE
Year : 2017  |  Volume : 14  |  Issue : 2  |  Page : 97-103

Histological and histomorphometric evaluation of the synthetic biomaterial Natix®in horizontal reconstruction of alveolar ridge


1 Department of Periodontics, School of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran
2 Department of Periodontics, School of Dentistry, Babol University of Medical Sciences, Babol, Iran
3 Department of Oral and Maxillofacial Pathology, School of Dentistry, Babol University of Medical Sciences, Babol, Iran

Correspondence Address:
Javad Mehrani Sabet
Department of Periodontics, School of Dentistry, Mazandaran University of Medical Sciences, Sari, Mazandaran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-3327.205790

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Background: Following loss of teeth, atrophy of alveolar ridge of the jaws is a substantial problem and unintended outcome that compels clinicians to perform bone reconstruction ahead of implant placement. Although autogenous bone is recommended as the gold standard in bone reconstruction, aninvasive second surgery harvestinga limited volume of bone (from intraoral source) has led a significant approachingthe use of synthetic bone substitute materials. The aim of this study was to evaluate the histologic and histomorphometric properties of porous titanium granules (Natix®) used in horizontal reconstruction of alveolar ridge before implant placement. Materials and Methods: In the present quasi-experimental clinical trial, four patients (three females and one male) needed horizontal bone augmentation on ten areas of edentulous mandibular ridge before implant treatment. During surgery, the buccal aspect of edentulous ridge was augmented by Natix®, covered by resorbable membrane (Cytoplast®). After 8 months, 10 core biopsies were obtained. Results: In histological study, no foreign body reaction at the site of the newly formed bone or around the biomaterial residue was observed. Newly formed bone was fully vital with large lacunae containing osteocytes. In 60% of cases, connective tissue was observed at the biomaterial – new bone interface. In histomorphometric study, mean percentage of bone formation was 40.56% ± 19.83% and mean bone trabecular thickness was 39.98 ± 17.54 μ. Conclusion: Despite acceptable histological and histomorphometric bone formation findings, in clinical terms, no increase was created in the horizontal dimension. Thus, it seems that application of this biomaterial in horizontal reconstruction of alveolar ridges with noncontained defects is inappropriate.


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