APPENDIX 5 Bibliographical literature review examines histological, radiological and clinical parameters in the bone with different biomaterial techniques PRGF, PRF,PRP with alloplast, alografts, heterologous, autogenous bone for regeneration. P R P Periodontal defects (test-control in vivo and vitro) - Rigeneration with 1.beta TCP(beta tricalcium phosphate)+PRP+ GTR (non bioreasorbable expanded polytetrafluoroet hylene membrane) 2. Beta-TCP+GTR (Dori et al 2008) vivo Regeneration 1.PRP 2.PRP+ABM( bovine anorganic bone mineral) vivo (Rodriques et al 2011) Regeneration 1.autogenous mandibular bone 2.FHA alone 3.PRP-FHA 4.MSCs-PRP-FHA Study in vitro (Piri et al 2009) After 1 year radiological and clinical control Group: PRP+Beta-TCP+GTR PD CAL Beta-TCP+GTR 9.1+-0.6mm to 3.3+-0.5mm P<0.001 10.1+-1.3mm to 5.7+-1.1mm p<0.001 9.0+-0.8mm to 3.6+-0.9mm p<0.001 9.9+-1.0mm to 5.9+-1.2mm p<0.001 Between the group it is 0.70. No statistical significant differences . Follow-up after a 9th month clinical and radiographical control: PRP PD 5.1+-1.36mm 3 to 7mm CAL 6 to 10mm 7.7+-1.30mm Not significant between the group p<-0.19 at the end of 9th months. PRP+ABM 4.2+-1.2mm 3 to 6 mm 6 to 9 mm 6.8+-1.05mm Histomorphometric evaluation follow-up 3rd months: 1.autogenous bone (46.97%+-2.57%) and .MSCs-PRP-FHA (45.97+-2.57%) produced a statistical significant p<0.05 higher vital bone than PRP-FHA (37.95%+-2.23%) or FHA (36.03%+-1.86%). 2. No significant differences of residual graft particle between MSCs-PRP-FHA (30.73%+-1.61%,) PRP-FHA(32.83%+-1.39%), and FHA alone (33.80%+-1.40%) MSCs-PRP-FHA showed a significantly higher result p<0.05 compared with PRP-FHA. Maxillofacial Bone graft reconstruction of mandibular defects after extirpation tumor Sinus augumentation uni and bilateral in maxillofacial) Regeneration with: 1.PRP+BDX 2.PPP+BDX (Test control in vivo) (Yilmaz et al 2011) Regeneration with: 1.MG CSH+PRP 2.CRP( colagen resorbable plag )(vivo) (Kutkut et al 2012) Regeneration with: 1.native mandible 2.bone grafts 3.bone grafts+PRP (Test control in vivo) (Marx et al 1998) 1.sinus Regeneration with: 1.PRP+BDX 2. BDX+Collagen membrane: (Yilmaz et al 2013) 2. regeneration with chips bone: Mix I .PepgenP-15 Follow-up after a 12 month clinical and radiographical control: Group:PRP+BDX Group:PPP+BDX PD 3.87+-0.86mm 3.76+-0.80mm CAL 2.51+-0.97mm 2.18+-0.87mm RBl 2.11+-0.87mm 2.19+-0.96mm Statistical significant in these two groups p=0.85 (p>0.05) Histomorphometric evaluation follow-up 3 months: p<0.05 MG CSH+PRP PRP colagen resorbable plag 66.5%+-10.4% 38.3%+-9.3% No statistical significant difference of vertical and horizontal bone resorbtion p>0.05 Histomorphometric findings Follow-up after 6th months: Native Bone 38.9%+-6% Bone graft Bone graft+PRP 55.1%+-8% P=0.005 74.0%+-11% P=0.005 Histomorphometric findings Follow-up after 8th months: PRP+BDX BDX+ collagen membrane 12.77±2.45mm p=0.762 Histomorphometric result follow-up 4th -5th months: % Vital bone 12.76±1.93mm Mix I 5th month 24.2±4.7 Mix II 5th month 27.8±9.4 Mix III 4th month 14.6±9.0 particies+DFDBA+ 10% Autogenous bone Mix II.PepGenP15 Flow+ additional PepGenP-15 particles+10% autogenous bone Mix III.PepGenP15 particles +PRP+10%autoge nous bone (Gelbart et al 2005) 3.Regeneration in sinus augumentation (six case-vivo): I. FDBA II. FDBA,DFDBA +PerioGlass +PRP III.FDBA+PRP IV.autogenous +PRP V.BioOss+autogenous +PRP VI. FDBA+PRP (Danesh-Meyer et al 2001) Res. graft marrow 22.8±13.0 17.3±7.4 21.8±15.4 53.3±11.3 55.3±9.8 63.2±8.6 p=0.008 no statistical differences between vital bone ,residual graft material and morrow. Histological result follow-up 6th-9th months: I. II . III IV V VI FDBA FDBA FDBA Autog. BioOss FDBA PerioGlass PRP PRP Autog. PRP PRP Newly formed bone,osteoblast,osteocytes, very little residual FDBA at 9th month Non vital DFDBA surrounded by dense connective tissues, few osteoblasts PRP Limited new bone formation, few osteoblasts. Occasional osteoclast associated with residual FDBA particles Fibrous encapsulation of residual graft particles, areas of nonvital bone, localized areas of newly formed bone and ostioclasts Numerous graft particles present , no osteoblastic activity, abundant connective tissue. Small localized areas of viable bone with associated osteoblasts, FDBA remnants surrounded by fibrous connective tissues . 4. Regeneration in mandible defects with: 1.bone graft+PRP and without PRP (inlay bone graft) Intrabony defects in the femur bone (Study in vitro) Transplantation in femora and tibiae in patients with achondroplasia and pseudarthrosis (study in vivo) 2.particle bone+ PRP or block bone without PRP (onlay bone graft). (Stenport et al 2011) Regeneration with: 1.Gen-ox bovine bone only 2. Gen-ox bovine bone only + PRP (Kurikchy et al 2013) Regeneration with: MSCs (iliac crist),+PRP gel (Kitoh et al 2004) Histomorphometrically follow-up 3rd months: Inlay control 2.09±0.48ml Inlay PRP 2.21±0.77ml Onlay block 3.09±0.095 ml Onlay PRP 1. 82±0.54ml p<0.05 was considered statistically significant. New bone to total bone demonstrated that the PRPtreated inlay grafts and onlay grafts had higher new bone compared with control samples. Histopathological findings follow-up fourth week postoperatively: Control group Gen-Ox bovine 24.60±2.7, p<0.05 osteocytes 13.60±1.5 p<0.05 61.67±5.4 Gen-Ox bovine PRP 13.20±1.2 77.00±11.5 , p<0.05 98.67±1.2 osteoclast 2.00±1.14 NS 2.75±0.5 1.67±0.3 osteon lamellat Healing index and radiological control: 22.75±4.0 7.12±1.59 23.50±2.66, p<0.05 7.83±1.12, p<0.05 37.00±3.15 13.87±1.80 osteoblast Control Group 22.3 to 65.7 day /cm MSCs +PRP 37.8 days/cm PRF Bone augumentation in rabbit calvaria model. (vitro) Maxillary Sinus augumentation (Vivo) Bone regeneration grafts in rabbit’s calvarial defects (vitro) Graft material Guided bone regeneration: 1.Bio-oss 2. 4 Bone 3.PRF (Ozdemir et al 2013). Guided regeneration: 1.Membrane collagen +Bio-Oss 2.Membrane PRF+Bio-Oss (Gassling et al 2013). Graft regeneration in sinus augumentation: 1.Bio-oss+PRF mixture 2.Bio-Oss Alone (Zhang et al 2012) Regeneration with: 1.PRF+Tricalcium phosphate 2.rhBMP 2 (bone morfogenetic protein 2) coated +TCP (Kim et al 2012) Regeneration with: Histomorphometric analysis follow-up 3rd months: Control group versus BIO-Oss, 4 Bone, PRF P<0.05 4 Bone P<0.05 versus Bio-Oss and PRF After 3 months we have new bone area in the expiremental groups. Histomorphometric analysis follow-up 5th months: Collagen membrane Vital bone Bone –substitute material in% 17.2(8.5-24.2) 17.0(7.8-27.8) PRF 17.0 (7.8-27.8) 15.9(0.9-33.4) Histological observation showed after 6th months: Control group Group PRF Group Bio-oss+PRF 18.35%±5.62% vs 12.95%±5.33% 28.54%±12.01% Vs 19.16%±6.89% p=0.138 21.45%±14.57% Vs 18.57%±5.39% p=0.141 Histomorphometric analysis follow-up 2nd -4th - 6th -8th week: PRF+TCP rhBMP-2 2nd week 4th week 0.068±0,013 0.16±0,017 0.029±0.008 0.13±0.012 6th week 0.24±0.021 0.17±0.014 8th week 0.25±0.0016 0.18±0.013 p<0.01 p<0.01 th Histomorphometric analysis follow-up 8 week: in rabbit calvarial defects . P R G F 1.-PRF+autogenous bone graft -PRF+ de proteinized bovine bone 2. autogenous bone graft -deproteinized bovine bone (Pripatnanont et al 2013) Intrabony Defects in chronic Periodontitis Graft with: 1.HA+PRF 2.PRF alone (Pradeep et al 2012 ) Periapical cyst defects . =0.77Regeneration with: 1.PRF+βTCP (tricalciumphosphate). (Jayalakshm et al 2012) Regeneration with: 1.PRGF 2.autogenos bone graft (Lafz et al 2012) Defects periodontal Study in vivo. Percentage of new bone (mean±SD) Control(non PRF) Experiment (PRF) Empty defect 6.24±5.01 18.81±9.27 Autogenous 26.21±10.58, p<0.05 38.03±4.23, p˂0.05 bone DBB+ 21.29±3.52 , p<0.05 22.63±3.61 autogenous bone DBB 9.63±5.47 13.07±3.64 Radiological and clinical parameters follow-up 9th months: PRF PRF+HA Control group PD 3.90±1.09 4.27±0.98 2.97±0.93 CAL 3.03±1.16 3.67±1.03 2.67±1.09 IBD 56.46±9.26 63,39±16.52 15.96±13.91 rd th th th Radiographical follow-up at 3 ,6 ,9 , 12 month: in addition of PRF to β-tricalcium Phosphate allograft accelerates regenerative capacity of bone. Clinical parameters after 6th months: Soft tissues Hard tissues CPD p VCAL p=0.56 HCAL p=65 EHPD VDBC VDBD p=0.25 p=0.41 p=0.68 Bone defects in rabbits study. Experimental model in rabbit femur (vitro) Experimental model in rabbit calvaria . Regeneration with: 1.PRGF 2.Autologous bone +PRGF 3.Autologous bone. (Molina-Minano et al 2009) Regeneration with : 1.PRGF bovine bone mineral ,,Nu Oss,, 2.only PRGF 3.,,Nu Oss,, RCM membrane . (Guerra et al 2011 ) Bone rgeneration with: 1.Nano HA (hidroxyapatite) 2.Nano HA+PRGF 3.Nano HA+MSCs 4.Nano Ha+MSCs+PRGF (Behnia et al 2013). LGM p=0.59 LID p=0.68 Statistical significance based on p<0.05, in asterisk indicates. Histomorphometry follow-up 1st -2nd month and radiographic after 1st month p=0.005, and p=0.006. Observation period month 1st month, p=0.658 2nd month, p=0.648 PRGF Control AB+PRGF AB PRGF Control AB+PRGF AB 28,58 22.90 35.01 ± ± ± 11.22 12.23 5.31 Histological exam follow-up at 4th 4th week NuOss 34.61 41.02 30.59 ± ± ± 16.93 9.15 5.69 th week and 8 week: 8th week 57.66±24.39 63.35±27.69 NuOss/PRGF 58.62±20.37 58.42±24.77 NuOss/RCM membrane Control group 70.82±20.34 78.02±15.13 33.07±5.49 40.28±27.32 Histomorphometric analysis: Groups Bone formation ration 6th week 12th week Nano HA 11.35% 32.53% Nano HA+PRGF 29.10% 39.74% Nano HA+MSCs 25.82% 39.11% Nano HA+PRGF +MSCs 29.45% 44.55% 40.63 ± 14.74 46.04 ± 10.36 PD-probing depth CAL-clinical attachment level IBD intrabony defect FHA-fluorohidroxiapatita RBL-radiographic bone levels CSH -calcium sulfate hemihydrate BDX-bovine drived xenograft FDBA-Freeze Dried Bone Allograft CPD- clinical probing depth V-CAL- vertical clinical attachment level H-CAL- horizontal clinical attachment L-GM- location of gingival margins E-HPD-horizontal probing depth of the bony defects surgically exposed V-DBC- vertical depth of the bone crystal. V-DBD- vertical depth of the base of bone defect LID-length of the intra bony defect.