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. 2016 Aug;6(Suppl 2):S153-9.
doi: 10.4103/2231-0762.189753.

Efficacy of platelet rich fibrin in the treatment of human intrabony defects with or without bone graft: A randomized controlled trial

Affiliations

Efficacy of platelet rich fibrin in the treatment of human intrabony defects with or without bone graft: A randomized controlled trial

Nikhil D Chandradas et al. J Int Soc Prev Community Dent. 2016 Aug.

Abstract

Aim: To evaluate the efficacy of platelet rich fibrin (PRF) with or without bone graft [demineralized bone matrix (DBM) graft] in the treatment of intrabony defects based on clinical and radiographic parameters.

Materials and methods: Thirty six intrabony defects in 36 patients were randomly divided into three different groups and were treated with group A (PRF with DBM) or group B (PRF alone) or group C [open flap debridement (OFD)]. Clinical parameters such as plaque index (PI), gingival index (GI), probing depth (PD), relative attachment level (RAL), and gingival recession (GR) were assessed at baseline and 9 months postoperatively; radiographic parameters such as linear bone growth (LBG) and percentage in bone fill (%BF) were calculated by using the image analysis software. Comparisons of groups were analyzed using Kruskal-Wallis analysis of variance test. Pair-wise comparison of groups was done by Mann-Whitney U test.

Results: Mean PD reduction and RAL gain were greater in group A (4.25 ± 1.48, 3.92 ± 0.90) and group B (3.82 ± 0.75, 3.27 ± 0.65) than control (3.00 ± 1.21, 2.25 ± 0.62). Furthermore, statistically significant improvement in LBG and %BF was found in group A (3.47 ± 0.53, 61.53 ± 4.54) compared to group B (2.55 ± 0.61, 49.60 ± 14.08) and group C (1.21 ± 0.80, 24.69 ± 15.59).

Conclusions: The study demonstrated that PRF improves clinical and radiological parameters compared to OFD alone in intrabony defects. Addition of DBM enhances the effects of PRF in RAL gain and radiographic defect fill.

Keywords: Chronic periodontitis; clinical trial; periodontal attachment loss; platelet-derived growth factor; regeneration.

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Figures

Figure 1
Figure 1
Consolidated standard of reporting trials (CONSORT) flow chart. N: Number of patients, PRF: Platelet. rich fibrin, DBM: Demineralized bone matrix xenograft
Figure 2
Figure 2
Radiographic appearance at baseline for site treated with PRF + DBM. AUX 1: Auxillary line 1 was drawn in the direction of tooth long axis, A: Cementoenamel junction (CEJ), C: Most coronal extension of the lateral wall of intrabony defect, AUX 2: Auxillary line 2 was drawn perpendicular to the tooth long axis and through point C, D: Base of the defect, B: Point where AUX 2 cross the contour of the root to point
Figure 3
Figure 3
Radiographic appearance at 9 months for site treated with PRF + DBM. AUX 1: Auxillary line 1 was drawn in the direction of tooth long axis, A: Cementoenamel junction (CEJ), C: Most coronal extension of the lateral wall of intrabony defect, AUX 2: Auxillary line 2 was drawn perpendicular to the tooth long axis and through point C, D: Base of the defect, B: Point where AUX 2 cross the contour of the root to point D

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