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https://www.readbyqxmd.com/read/27891638/regenerative-potential-of-leucocyte-and-platelet-rich-fibrin-l-prf-part-b-sinus-floor-elevation-alveolar-ridge-preservation-and-implant-therapy-a-systematic-review
#1
REVIEW
Ana B Castro, Nastaran Meschi, Andy Temmerman, Nelson Pinto, Paul Lambrechts, Wim Teughels, Marc Quirynen
AIM: To analyse the effect of Leucocyte- and Platelet Rich Fibrin (L-PRF) on bone regeneration procedures and osseointegration. MATERIALS AND METHODS: An electronic and hand search was conducted in three databases (MEDLINE, EMBASE and Cochrane). Only randomised clinical trials, written in English where L-PRF was applied in bone regeneration and implant procedures, were selected. No follow-up restrictions were applied. RESULTS: A total of 14 articles were included and processed...
November 28, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27783851/regenerative-potential-of-leucocyte-and-platelet-rich-fibrin-l-prf-part-a-intrabony-defects-furcation-defects-and-periodontal-plastic-surgery-a-systematic-review-and-meta-analysis
#2
REVIEW
Ana B Castro, Nastaran Meschi, Andy Temmerman, Nelson Pinto, Paul Lambrechts, Wim Teughels, Marc Quirynen
AIM: To analyse the regenerative potential of Leucocyte- and Platelet Rich Fibrin (L-PRF) during periodontal surgery. MATERIALS AND METHODS: An electronic and hand search were conducted in three databases. Only randomised clinical trials were selected and no follow-up limitation was applied. Pocket depth (PD), clinical attachment level (CAL), bone fill, keratinized tissue width (KTW), recession reduction, and root coverage (%) were considered as outcome. When possible, meta-analysis was performed...
October 26, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27587367/optimized-platelet-rich-fibrin-with-the-low-speed-concept-growth-factor-release-biocompatibility-and-cellular-response
#3
Masako Fujioka-Kobayashi, Richard J Miron, Maria Hernandez, Umadevi Kandalam, Yufeng Zhang, Joseph Choukroun
BACKGROUND: Over the past decade, the use of leukocyte platelet rich fibrin (L-PRF) has gained tremendous momentum in regenerative dentistry as a low-cost fibrin matrix utilized for tissue regeneration. In this study, we characterized how centrifugation speed (G-force) along with centrifugation time influence growth factor release from fibrin clots, as well as the cellular activity of gingival fibroblasts exposed to each PRF matrix. METHODS: Standard L-PRF served as a control (2700rpm-12 minutes)...
September 2, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27509214/the-use-of-leucocyte-and-platelet-rich-fibrin-in-socket-management-and-ridge-preservation-a-split-mouth-randomized-controlled-clinical-trial
#4
Andy Temmerman, Jeroen Vandessel, Ana Castro, Reinhilde Jacobs, Wim Teughels, Nelson Pinto, Marc Quirynen
AIM: To investigate the influence of the use L-PRF as a socket filling material and its ridge preservation properties. MATERIALS AND METHODS: Twenty-two patients in need of single bilateral and closely symmetrical tooth extractions in the maxilla or mandible were included in a split-mouth RCT. Treatments were randomly assigned (L-PRF socket filling versus natural healing). CBCT scans were obtained after tooth extraction and three months. Scans were evaluated by superimposition using the original DICOM data...
November 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27475686/positive-effect-of-platelet-rich-fibrin-on-osseointegration
#5
E Öncü, B Bayram, A Kantarci, S Gülsever, E-E Alaaddinoğlu
BACKGROUND: Leukocyte-platelet rich fibrin (L-PRF) is a second generation platelet concentrate clinically used to accelerate tissue healing and bone regeneration. Achieving reduced implant osseointegration time could provide immediate or early loading of implants. The aim of this study was to evaluate the L-PRF-induced osseointegration and bone-implant contact (BIC) in an experimental animal model. MATERIAL AND METHODS: Twelve 4-month-old New Zealand white rabbits were used...
2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27374360/effects-of-leukocyte-platelet-rich-fibrin-on-postoperative-complications-of-direct-sinus-lifting
#6
Gokhan Gurler, Cagri Delilbasi
BACKGROUND: Blood products have been widely used in soft tissue and bone regeneration in oral and maxillofacial surgery. The purpose of this study is to evaluate the effects of leukocyte-platelet rich fibrin (L-PRF) following direct sinus lifting procedure. METHODS: Twenty-eight patients were included in the study. Direct sinus lifting was performed via lateral window approach under conscious sedation and local anesthesia. Bony window and sinus floor elevation were performed using piezosurgery device...
August 2016: Minerva Stomatologica
https://www.readbyqxmd.com/read/27338946/dimensional-changes-of-the-post-extraction-alveolar-ridge-preserved-with-leukocyte-and-platelet-rich-fibrin-a-clinical-pilot-study
#7
Andreas Anwandter, Stephanie Bohmann, Mauricio Nally, Ana B Castro, Marc Quirynen, Nelson Pinto
OBJECTIVES: This clinical trial explored the clinical and radiographic dimensional changes of the alveolar ridge in the first 4 months after tooth extraction in combination with the application of Leukocyte- and Platelet Rich Fibrin (L-PRF). METHODS: Eighteen single rooted maxillary and mandibular sockets were filled with L-PRF without soft tissue closure. Clinical measurements (bone sounding) were performed using a customized acrylic stent and radiographic measurements were accomplished using Cone Beam Computed Tomography (CBCT), immediately after tooth extraction and after 4 months...
September 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27034749/use-of-leukocyte-and-platelet-rich-fibrin-l-prf-in-periodontally-accelerated-osteogenic-orthodontics-paoo-clinical-effects-on-edema-and-pain
#8
Francisco Munoz, Constanza Jiménez, Daniela Espinoza, Alain Vervelle, Jacques Beugnet, Ziyad Haidar
BACKGROUND: Demand for shorter treatment time is common in orthodontic patients. Periodontally Accelerated Osteogenic Orthodontics (PAOO) is a somewhat new surgical procedure which allows faster tooth movement via combining orthodontic forces with corticotomy and grafting of alveolar bone plates. Leukocyte and Platelet-Rich Fibrin (L-PRF) possess hard- and soft-tissue healing properties. Further, evidence of pain-inhibitory and anti-inflammatory potential is growing. Therefore, this study explores the feasibility, intra- and post-operative effects of using L-PRF in PAOO in terms of post-operative pain, inflammation, infection and post-orthodontic stability...
April 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/26880919/comparison-of-the-mechanical-properties-of-early-leukocyte-and-platelet-rich-fibrin-versus-prgf-endoret-membranes
#9
Hooman Khorshidi, Saeed Raoofi, Rafat Bagheri, Hodasadat Banihashemi
Objectives. The mechanical properties of membranes are important factors in the success of treatment and clinical handling. The goal of this study was to compare the mechanical properties of early leukocyte- and platelet-rich fibrin (L-PRF) versus PRGF/Endoret membrane. Materials and Methods. In this experimental study, membranes were obtained from 10 healthy male volunteers. After obtaining 20 cc venous blood from each volunteer, 10 cc was used to prepare early L-PRF (group 1) and the rest was used to get a membrane by PRGF-Endoret system (group 2)...
2016: International Journal of Dentistry
https://www.readbyqxmd.com/read/26687471/secec-research-grant-2008-ii-use-of-platelet-and-leucocyte-rich-fibrin-l-prf-does-not-affect-late-rotator-cuff-tendon-healing-a-prospective-randomized-controlled-study
#10
RANDOMIZED CONTROLLED TRIAL
Matthias A Zumstein, Adam Rumian, Charles Édouard Thélu, Virginie Lesbats, Kieran O'Shea, Michael Schaer, Pascal Boileau
BACKGROUND: Because the retear rate after rotator cuff repairs remains high, methods to improve healing are very much needed. Platelet-rich concentrates have been shown to enhance tenocyte proliferation and promote extracellular matrix synthesis in vitro; however, their clinical benefit remains unclear. We hypothesized that arthroscopic rotator cuff repair with leucocyte- and platelet-rich fibrin (L-PRF) results in better clinical and radiographic outcome at 12 months of follow-up than without L-PRF...
January 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/26568857/leukocyte-and-platelet-rich-plasma-l-prp-versus-leukocyte-and-platelet-rich-fibrin-l-prf-for-articular-cartilage-repair-of-the-knee-a-comparative-evaluation-in-an-animal-model
#11
Davoud Kazemi, Ashraf Fakhrjou
BACKGROUND: Articular cartilage injuries of the knee are among the most debilitating injuries leading to osteoarthritis due to limited regenerative capability of cartilaginous tissue. The use of platelet concentrates containing necessary growth factors for cartilage healing has recently emerged as a new treatment method. OBJECTIVES: The efficacy of two types of different platelet concentrates were compared in the treatment of acute articular cartilage injuries of the knee in an animal model...
October 2015: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/26284178/platelet-rich-fibrin-promotes-an-accelerated-healing-of-achilles-tendon-when-compared-to-platelet-rich-plasma-in-rat
#12
Franciele Dietrich, Gustavo L Duré, Caroline P Klein, Vinícius F Bampi, Alexandre V Padoin, Vinícius D Silva, Jefferson Braga-Silva
BACKGROUND: Autologous platelet concentrate has been used to improve the function and regeneration of injured tissues. Tendinopathies are common in clinical practice, although long-term treatment is required. On the basis of lead time, we compared the effect of using platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) in repairing rat Achilles tendon. METHODS: The effectiveness of using PRP and PRF was evaluated after 14 and 28 postoperative days by histological analysis...
July 2015: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/26273612/influence-of-leukocyte-and-platelet-rich-fibrin-l-prf-in-the-healing-of-simple-postextraction-sockets-a-split-mouth-study
#13
RANDOMIZED CONTROLLED TRIAL
Gaetano Marenzi, Francesco Riccitiello, Mariano Tia, Alessandro di Lauro, Gilberto Sammartino
The aim of this study was to evaluate the effects of leukocyte- and platelet-rich fibrin (L-PRF) on the pain and soft tissue healing after tooth extractions. Twenty-six patients (9 males and 17 females) were treated with multiple extractions (2 to 8), with a total of 108 extractions. This was an exploratory single blinded randomized clinical trial with a split-mouth design. The pain after the surgery was assessed in each patient by the VAS scale (1 to 10) at intervals of 24-48-72-96 hours. The soft tissue healing was clinically evaluated at 3, 7, 14, and 21 days after surgery by the same examiner surgeon, using the modified Healing Index (4 to 12)...
2015: BioMed Research International
https://www.readbyqxmd.com/read/26272108/respiration-artifact-correction-in-three-dimensional-proton-resonance-frequency-mr-thermometry-using-phase-navigators
#14
Bryant T Svedin, Allison Payne, Dennis L Parker
PURPOSE: To develop reliable three-dimensional (3D) segmented echo planar imaging (seg-EPI) proton resonance frequency (PRF) temperature monitoring in the presence of respiration-induced B0 variation. METHODS: A free induction decay (FID) phase navigator was inserted into a 3D seg-EPI sequence before and after EPI readout to monitor B0 field variations. Using the field change estimates, the phase of each k-space line was adjusted to remove the additional phase from the respiratory induced off-resonance...
July 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/26243951/rheological-physico-sensory-nutritional-and-storage-characteristics-of-bread-enriched-with-roller-milled-fractions-of-black-gram-phaseolus-mungo-l
#15
D Indrani, Suresh D Sakhare, Milind, Aashitosh A Inamdar
Black gram grains were fractionated using roller flour mill. Effect of combination of additives (CA) namely dry gluten powder, sodium stearoyl-2-lactylate, fungal α-amylase on the rheological and bread making characteristics of wheat flour partly replaced with roller milled fractions of black gram was studied. With increase in the addition of straight run flour (SRF), protein rich fraction (PRF), protein and fiber rich fraction (P&FRF) from 0 to 20 %, fiber rich fraction, FRF (0-15 %), the farinograph water absorption increased and dough stability decreased; amylograph pasting temperature increased and peak viscosity decreased; bread volume decreased and crumb firmness value increased indicating adverse effect of these fractions on the rheological and bread making characteristics of wheat flour...
August 2015: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/26214440/radiofrequency-thermocoagulation-combined-with-pulsed-radiofrequency-helps-relieve-postoperative-complications-of-trigeminal-neuralgia
#16
RANDOMIZED CONTROLLED TRIAL
W-X Zhao, Q Wang, M-W He, L-Q Yang, B-S Wu, J-X Ni
Trigeminal neuralgia is a sudden, severe condition characterized by stabbing and recurrent pain. Radiofrequency thermocoagulation (RFT) and pulsed radiofrequency (PRF) are common surgical interventions used to treat trigeminal neuralgia. This study aimed to investigate the therapeutic effects and associated complications of a combination of RFT and PRF in the treatment of trigeminal neuralgia. Computed tomography-guided percutaneous RFT of the Gasserian ganglion was performed on 80 patients with trigeminal neuralgia...
2015: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/26177630/the-adjunctive-effect-of-platelet-rich-fibrin-to-connective-tissue-graft-in-the-treatment-of-buccal-recession-defects-results-of-a-randomized-parallel-group-controlled-trial
#17
Huseyin Gencay Keceli, Gulen Kamak, Ebru Olgun Erdemir, Mustafa Serdar Evginer, Anil Dolgun
BACKGROUND: Platelet-rich fibrin (PRF) is an autologous preparation that has encouraging effects in healing and regeneration. The aim of this trial is to evaluate the effectiveness of coronally advanced flap (CAF) + connective tissue graft (CTG) + PRF in Miller Class I and II recession treatment compared to CAF + CTG. METHODS: Forty patients were treated surgically with either CAF + CTG + PRF (test group) or CAF + CTG (control group). Clinical parameters of plaque index, gingival index, vertical recession (VR), probing depth, clinical attachment level (CAL), keratinized tissue width (KTW), horizontal recession (HR), mucogingival junction localization, and tissue thickness (TT) were recorded at baseline and 3 and 6 months after surgery...
November 2015: Journal of Periodontology
https://www.readbyqxmd.com/read/26096692/the-prenatal-parental-reflective-functioning-questionnaire-exploring-factor-structure-and-construct-validity-of-a-new-measure-in-the-finn-brain-birth-cohort-pilot-study
#18
Marjukka Pajulo, Mimmi Tolvanen, Linnea Karlsson, Elina Halme-Chowdhury, Camilla Öst, Patrick Luyten, Linda Mayes, Hasse Karlsson
Parental reflective functioning (PRF) is the capacity to focus on experience and feelings in oneself and in the child. Individual differences in PRF reportedly affect child attachment and socioemotional development. In this study, we report work on developing a questionnaire to assess PRF during pregnancy (Prenatal Parental Reflective Functioning Questionnaire; P-PRFQ). The factor structure of the 33-item version of the P-PRFQ was explored using pilot study data from the Finn Brain Birth Cohort Study (n = 124 mothers, n = 82 fathers)...
July 2015: Infant Mental Health Journal
https://www.readbyqxmd.com/read/26095129/long-term-follow-up-of-revascularization-using-platelet-rich-fibrin
#19
Herbert L Ray, Janel Marcelino, Raquel Braga, Richard Horwat, Michael Lisien, Shahryar Khaliq
INTRODUCTION: Trauma is one of the primary causes of tooth loss and pulpal injury in adolescents and children. Prior to regenerative endodontics, treatment of necrotic, immature teeth with open apices was limited to long-term calcium hydroxide (Ca(OH)2 ) apexification and subsequent root canal therapy or extraction. Through revascularization, retention of these teeth can be achieved and the elimination of patient symptoms and the radiographic appearance of continued root development were obtained...
February 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/26074595/output-characteristics-of-actively-q-switched-ho-luvo%C3%A2-laser-at-room-temperature
#20
Z Cui, B Q Yao, X M Duan, S Xu, Y Q Du, J H Yuan, T Y Dai, Y L Ju
A compact continuous wave (CW) and actively Q-switched (AQS) Ho:LuVO4 laser pumped by a 1.94 μm Tm: YAP laser is demonstrated. The performance of the laser was investigated by changing the output coupler. The maximum output power of 4.1 W at 2058.43 nm in CW regime is obtained at the maximum absorbed pump power of 12.3 W. The minimum pulse width of 29.3 ns was obtained at Pulse Repetition Frequency (PRF) of 20 kHz with the same output coupler corresponding to a peak power of 6.9 kW. The maximal output power is 4...
May 18, 2015: Optics Express
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