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Demineralized freeze-dried bone allograft and platelet-rich plasma vs platelet-rich plasma alone in infrabony defects: a clinical and radiographic evaluation



Demineralized freeze-dried bone allograft and platelet-rich plasma vs platelet-rich plasma alone in infrabony defects: a clinical and radiographic evaluation



Clinical Oral Investigations 11(1): 51-59



The objective of this work is to compare the clinical and radiographic outcomes of demineralized freeze-dried bone allograft (DFDBA)/platelet-rich plasma (PRP) combination with PRP alone for the treatment of infrabony defects 18 months after surgery and to examine the influence of radiographic defect angle on the clinical and radiographic outcomes. Twenty-eight infrabony defects were treated with DFDBA/PRP combination or PRP alone. Clinical parameters and radiographic measurements were compared at baseline and 18 months. Interquartile range was performed to classify the defect angles. Mann-Whitney, Wilcoxon test, and Pearson correlation were used to analyze the data. The DFDBA/PRP combination exhibited more favorable gains in both clinical and radiographic parameters than PRP alone group (p < 0.05). A correlation existed between defect angle, defect depth, and clinical/radiographic outcomes for the defects treated with DFDBA/PRP. The narrow defects presented more favorable clinical attachment level values (CAL) gain, probing pocket depth (PPD) reduction and defect resolution than wide defects in the combination group (p < 0.05). The influence of baseline defect angle was not significant in the PRP-alone group (p > 0.05). The results indicate that DFDBA/PRP combination is more effective than PRP alone for the treatment of infrabony defects, and the amount of CAL gain, PPD reduction, and bone fill increases when the infrabony defect is narrow and deep before DFDBA/PRP combination treatment.

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Accession: 048729386

Download citation: RISBibTeXText

PMID: 17160498

DOI: 10.1007/s00784-006-0083-y


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