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Quintessence Int 45 (2014), No. 5     18. Mar. 2014
Quintessence Int 45 (2014), No. 5  (18.03.2014)

Page 385-395, doi:10.3290/j.qi.a31538, PubMed:24634903


Which biomaterials may promote periodontal regeneration in intrabony periodontal defects? A systematic review of preclinical studies
Ivanovic, Aleksandar / Nikou, George / Miron, Richard J. / Nikolidakis, Dimitris / Sculean, Anton
Objective: To systematically analyze the regenerative effect of the available biomaterials either alone or in various combinations for the treatment of periodontal intrabony defects as evaluated in preclinical histologic studies.
Data Sources: A protocol covered all aspects of the systematic review methodology. A literature search was performed in Medline, including hand searching. Combinations of searching terms and several criteria were applied for study identification, selection, and inclusion. The preliminary outcome variable was periodontal regeneration after reconstructive surgery obtained with the various regenerative materials, as demonstrated through histologic/ histomorphometric analysis. New periodontal ligament, new cementum, and new bone formation as a linear measurement in mm or as a percentage of the instrumented root length were recorded. Data were extracted based on the general characteristics, study characteristics, methodologic characteristics, and conclusions. Study selection was limited to preclinical studies involving histologic analysis, evaluating the use of potential regenerative materials (ie, barrier membranes, grafting materials, or growth factors/proteins) for the treatment of periodontal intrabony defects. Any type of biomaterial alone or in various combinations was considered. All studies reporting histologic outcome measures with a healing period of at least 6 weeks were included. A meta-analysis was not possible due to the heterogeneity of the data.
Conclusion: Flap surgery in conjunction with most of the evaluated biomaterials used either alone or in various combinations has been shown to promote periodontal regeneration to a greater extent than control therapy (flap surgery without biomaterials). Among the used biomaterials, autografts revealed the most favorable outcomes, whereas the use of most biologic factors showed inferior results compared to flap surgery.

Keywords: animal studies, histology, intrabony periodontal defects, preclinical studies, systematic review
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