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maxillary sinus graft

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https://www.readbyqxmd.com/read/27915982/molecular-cellular-and-pharmaceutical-aspects-of-bone-grafting-materials-and-membranes-during-maxillary-sinus-lift-procedures-part-2-detailed-characteristics-of-the-materials
#1
Giovanna Iezzi, Adriano Piatelli, Alessandra Giuliani, Carlo Mangano, Antonio Barone, Licia Manzon, Marco Degidi, Antonio Scarano, Antonella Filippone, Vittoria Perrotti
Various grafts or combination of bone substitute materials have been used in sinus lift procedures. Currently, ongoing developments in several disciplines, from molecular biology and chemistry to computer science and engineering, have contributed to the understanding of biological processes leading to bone healing after the use of bone substitute materials (BSBs) and therefore of the behavior of BSBs. The understanding of the properties of each graft enables individual treatment concepts and therefore allows shift from a simple replacement material to the modern concept of an individually created composite biomaterial...
December 1, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27912213/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-augmentation-procedures-a-randomized-controlled-trial-in-humans
#2
Ruggero Rodriguez Baena, Roberta Pastorino, Enrico Felice Gherlone, Letizia Perillo, Saturnino Marco Lupi, Alessandra Lucchese
PURPOSE: The histomorphometric results of sinus floor augmentation with deproteinized bovine bone (DBB) and a new fully synthetic bone substitute, poly(lactic-co-glycolic acid/hydroxyapatite) (PLGA/HA), were compared in humans. MATERIALS AND METHODS: Twelve maxillary sinuses of eight patients requiring major maxillary sinus floor augmentation and free of concomitant conditions (ASA scores 1 and 2) were studied. Lateral sinus augmentation was performed using DBB or PLGA/HA grafts; sites were randomly assigned to control or test groups...
December 2, 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27898165/sinus-augmentation-and-simultaneous-implant-placement-success-pilot-study-2008-2011
#3
Melissa Tormos, Jose Morales, Natalia Guevara, Augusto R Elías, Lydia López, Omar García
OBJECTIVE: 1) To describe implant success in the posterior maxillary when a sinus augmentation procedure was performed simultaneously with implant placement and then compare differences in success when sinus augmentation was delayed in patients attending the maxillofacial surgery clinic of the University of Puerto Rico, 2008 through 2011. 2) To determine sociodemographic characteristics, ASA classification, graft material, and final restoration and, using a questionnaire, determine as well patient satisfaction...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27893562/clinical-evaluation-of-zygomatic-implant-supported-fixed-and-removable-prosthesis
#4
Belir Atalay, Özge Doğanay, Banu Karayazgan Saraçoğlu, Özgür Bultan, Günter Hafiz
The aim of our study was to present success and complication rates of 32 zygomatic implants (ZI) and compare satisfaction of patients rehabilitated with ZI supported hybrid prosthesis in atrophic jaws and removable prosthesis in maxillary defects. Sixteen patients who have been diagnosed as atrophic maxilla or maxillary defect were treated with ZI supported hybrid or removable prosthesis between 2008 and 2016 years, respectively. Thirty-two of 70 implants were placed in the zygomatic bone. Two prosthetic groups were compared 1 month after prosthesis delivery in terms of general satisfaction, stability, performance, esthetics, phonetics, hygiene level based on visual analog scale...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891316/histologic-and-histomorphometric-evaluation-of-two-grafting-materials-cenobone-and-itb-mba-in-open-sinus-lift-surgery
#5
Babak Amoian, Maryam Seyedmajidi, Hamidreza Safipor, Sediqe Ebrahimipour
AIMS AND OBJECTIVES: Alveolar ridge reduction caused after tooth extraction can be minimized through ridge preservation and application of graft materials. The aim of this study was to compare the histologic and histomorphometric aspects of bone particulated allografts, Cenobone and ITB-MBA, in the reconstruction of vertical alveolar ridge after maxillary sinus augmentation. MATERIALS AND METHODS: This clinical trial was performed among 20 patients. The participants were randomly divided into two groups of 10 participants...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27879599/total-human-eye-allotransplantation-developing-surgical-protocols-for-donor-and-recipient-procedures
#6
Edward H Davidson, Eric W Wang, Jenny Y Yu, Juan C Fernandez-Miranda, Dawn J Wang, Nikisha Richards, Maxine Miller, Joel S Schuman, Kia M Washington
BACKGROUND: Vascularized composite allotransplantation of the eye is an appealing, novel method for reconstruction of the nonfunctioning eye. The authors' group has established the first orthotopic model for eye transplantation in the rat. With advancements in immunomodulation strategies together with new therapies in neuroregeneration, parallel development of human surgical protocols is vital for ensuring momentum toward eye transplantation in actual patients. METHODS: Cadaveric donor tissue harvest (n = 8) was performed with orbital exenteration, combined open craniotomy, and endonasal approach to ligate the ophthalmic artery with a cuff of paraclival internal carotid artery, for transection of the optic nerve at the optic chiasm and transection of cranial nerves III to VI and the superior ophthalmic vein at the cavernous sinus...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27867255/bone-formation-in-maxillary-sinus-lift-using-autogenous-bone-graft-at-2-and-6-months
#7
Henrique Duque Netto, Maria das Graças Alfonso Miranda Chaves, Beatriz Aatrstrup, Renata Guerra, Sergio Olate
The aim of this study is to compare the bone formation in maxillary sinus lift with an autogenous bone graft in histological evaluation at 2 or 6 months. A comparative study was designed where 10 patients with missing teeth bilaterally in the posterior zone of the maxilla were selected. Patients received a particulate autogenous bone graft under the same surgical conditions, selecting a site to collect a biopsy and histological study at two months and another at six months postoperatively. Histomorphometry was performed and were used Kolmogorov-Smirnov test, student's t-test and Spearman's correlation coefficient, considering a value of p<0...
September 2016: International Journal of Morphology
https://www.readbyqxmd.com/read/27862924/influence-of-healing-period-upon-bone-turn-over-on-maxillary-sinus-floor-augmentation-grafted-solely-with-deproteinized-bovine-bone-mineral-a-prospective-human-histological-and-clinical-trial
#8
Feng Wang, Wenjie Zhou, Alberto Monje, Wei Huang, Yueping Wang, Yiqun Wu
PURPOSE: To investigate the influence of maturation timing upon histological, histomorphometric and clinical outcomes when deproteinized bovine bone mineral (DBBM) was used as a sole biomaterial for staged maxillary sinus floor augmentation (MSFA). MATERIALS AND METHODS: Patients with a posterior edentulous maxillary situation and a vertical bone height ≤ 4 mm were included in this study. A staged MSFA was carried out. After MSFA with DBBM as a sole grafting material, biopsy cores were harvested with simultaneous implant placement followed by a healing period of 5, 8, and 11 months, respectively...
November 16, 2016: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27861663/cone-beam-computed-tomography-assessment-of-maxillary-sinus-floor-augmentation-using-beta-tricalcium-phosphate-alone-or-in-combination-with-platelet-rich-plasma-a-randomized-clinical-trial
#9
Songül Cömert Kiliç, Metin Güngörmüş
PURPOSE: The aim of this study was to evaluate and compare the long-term clinical and radiographic outcomes between a bone graft substitute mixture (beta-tricalcium phosphate [β-TCP] and plateletrich plasma [PRP]) and β-TCP bone graft substitute alone used for sinus floor elevation. MATERIALS AND METHODS: This randomized clinical trial included patients with an atrophic maxilla referred for maxillary sinus floor elevation. The elevated sinus cavities of patients were randomly filled with β-TCP plus PRP (study group) or β-TCP alone (control group)...
November 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27825755/prevalence-of-infection-with-the-use-of-%C3%AE-tricalcium-phosphate-as-a-bone-graft-substitute-during-le-fort-i-osteotomy
#10
M Ragaey, J E Van Sickels
While grafting with bone substitutes has been shown to provide greater stability in maxillary advancements, infection remains a concern with any material that is placed in close proximity to the maxillary sinus. The purpose of this study was to evaluate the prevalence of infection in maxillary advancements in which a bone graft substitute (β-tricalcium phosphate; β-TCP) was placed at the time of surgery. This was a retrospective study of all maxillary osteotomies. Patients were divided into two groups: group 1 included maxillary osteotomies in which β-TCP was not used; group 2 included any maxillary osteotomy where β-TCP was used...
November 5, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27800217/increased-osteoinductivity-and-mineralization-by-minimal-concentration-of-bone-morphogenetic-protein-2-loaded-onto-biphasic-calcium-phosphate-in-a-rabbit-sinus
#11
Jae-Shin Kim, Jae-Kook Cha, Jung-Seok Lee, Seong-Ho Choi, Kyoo-Sung Cho
PURPOSE: The purpose of the present study was to evaluate the effectiveness of a minimal concentration of bone morphogenetic protein-2 (BMP-2) in terms of quantitative and qualitative analyses of newly formed bone in a rabbit maxillary sinus model. METHODS: In 7 rabbits, sinus windows were prepared bilaterally. Biphasic calcium phosphate (BCP) loaded with 0.05 mg/mL BMP-2 was grafted into one sinus (the BMP group) and saline-soaked BCP was placed into the other (the control group) in each animal...
October 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/27792098/sinus-disventilation-and-atrophy-of-the-upper-maxilla-a-combined-surgical-approach-is-possible
#12
Orlando Cipriani, Valentino Vellone, Paolo Arangio, Fabio Della Rocca
This study aims to assess the effectiveness and reliability of a new combined approach to treat the maxillary atrophy and chronic rhinosinusitis (CRS) and other rhino-sinusal pathologies. This 1-step procedure consisting functional endoscopic sinus surgery (FESS) and maxillary sinus-lift with simultaneous implant placement for patients with a severe reabsorbed maxillary bone and sinuses' disease. In case of disventilation and maxillary sinuses flogosis, the mucociliary clearance and physiological ventilation have to be aided, in order to make a safer and predictable sinus-lift surgery...
October 27, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27766693/implant-survival-following-sinus-membrane-elevation-without-grafting-and-immediate-implant-installation-with-a-one-stage-technique-an-up-to-40-month-evaluation
#13
Sebastian Stefanski, Börje Svensson, Andreas Thor
PURPOSE: Various augmentation procedures involving the maxillary sinus, using bone substitutes or bone, have been used to enhance bone support for dental implants. The aim of this study was to retrospectively evaluate the status of implants in patients who had undergone a maxillary sinus lift and immediate implant placement without the addition of graft material. MATERIALS AND METHODS: Nineteen patients who had required bone augmentation of their maxillary sinus floor were evaluated in this study...
October 20, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27765427/maxillary-sinus-lift-surgery-with-or-without-graft-material-a-systematic-review
#14
L deF Silva, V N de Lima, L P Faverani, M R de Mendonça, R Okamoto, E P Pellizzer
The purpose of this systematic review was to perform a comparative analysis of the use or not of graft material in maxillary sinus lift surgery. Relevant studies published in the last 10 years were identified through a search of the PubMed/MEDLINE, ScienceDirect, and Cochrane Library databases and were assessed against the study inclusion and exclusion criteria. The initial search resulted in 1037 articles. After applying the inclusion and exclusion criteria, 16 articles remained. Four hundred and thirty-six patients were followed up over a postoperative period ranging from 6 months to 11 years...
October 17, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27752197/use-of-auricular-cartilage-for-closure-of-oroantral-fistula-a-prospective-clinical-study
#15
Hari Ram, Hardik Makadia, Gagan Mehta, Shadab Mohammad, Rakesh Kumar Singh, Nimisha Singh, Geeta Singh
INTRODUCTION: The term oro-antral fistula is understood to mean of fistular canal covered with epithelia which may or may not be filled with granulation tissue or polyposis of the sinus mucous membrane. With the presence of a fistula the sinus is permanently open, which enables the passage of microbial flora of the oral cavity into the maxillary sinus and the occurrence of inflammation with all possible consequences. Every now and then various researchers have proposed innumerable techniques to treat this defect...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27747700/long-term-radiographic-assessment-of-maxillary-sinus-floor-augmentation-using-beta-tricalcium-phosphate-analysis-by-cone-beam-computed-tomography
#16
Tsuneji Okada, Toru Kanai, Noriko Tachikawa, Motohiro Munakata, Shohei Kasugai
BACKGROUND: The long-term stability of maxillary sinus floor augmentation with β-TCP remains largely unknown. We report the long-term assessment of volumetric changes in maxillary sinus floor augmentation with β-TCP by cone-beam computed tomography (CBCT). METHODS: The subjects included 30 patients who underwent maxillary sinus floor augmentation using β-TCP and 58 implant placement for unilateral maxillary defect, simultaneously. Volumetric changes in β-TCP and the height of peri-implant bone were analyzed by CBCT...
December 2016: Int J Implant Dent
https://www.readbyqxmd.com/read/27747695/pneumatization-within-a-maxillary-sinus-graft-a-case-report
#17
Viviane Rozeira Crivellaro, João César Zielak, Tatiana Miranda Deliberador, Naylin Danyele de Oliveira, Felipe Rychuv Santos, Carmen Lucia Mueller Storrer
Rehabilitation of edentulous posterior maxilla with implant-supported prostheses frequently presents a challenge to dentists. This is due to insufficient bone within the region, in addition to other limiting factors such as anatomical pneumatization of the maxillary sinus. Thus, grafting of the maxillary sinus is a common procedure used to counteract these problems. Regardless of the type of biomaterial used, the success of the procedure is dependent on the formation of high-quality bone. Therefore, vascularization is a key factor for successful grafting and for the long-term maintenance of the treatment...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27747640/palatal-window-osteotomy-technique-improves-maxillary-sinus-augmentation-in-previously-insufficient-augmentation-case
#18
Daisuke Ueno, Takashi Kurokawa, Katsuichiro Maruo, Tsuneaki Watanabe, Jayanetti Asiri Jayawardena
INTRODUCTION: Perforation of the Schneiderian membrane is the most common complication in sinus floor augmentation (SFA). When volume of grafting is qualified to prevent enlargement of the membrane perforation, lack of bone volume may occur in optimal site. CASE PRESENTATION: SFA was performed in sites #24 to 26 in a 63-year-old male. However, a 10-mm size perforation of the Schneiderian membrane occurred in site #26. Although the sinus cavity was grafted with deproteinized bovine bone mineral (DBBM) after repair of membrane perforation, insufficient bone formation was observed on palatal and distal aspects of site #26 at 5 months after SFA...
December 2015: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27746593/maxillary-sinus-augmentation-using-sinus-membrane-elevation-without-grafts-a-systematic-review
#19
REVIEW
Rakshith Hegde, Krishna Prasad, Kaiwan Khurshed Shroff
Implants have a predictable outcome and are the foremost treatment modality for prosthetic rehabilitation of edentulous patients. Due to loss of bone after extraction and pneumatization of maxillary sinus, there is insufficient bone volume for implant placement. The direct maxillary sinus lift procedure has been performed with different grafting materials (autogenous bone grafts, alloplasts, allografts, and xenografts) and without grafting material, having new bone formation around the implant. There is no evidence to prove the need for grafting material in all direct sinus lift procedures, hence the need for this review...
October 2016: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/27740652/maxillary-sinus-elevation-surgery-with-chronos-and-autogenous-bone-graft-analysis-of-histometric-and-volumetric-changes
#20
Rodrigo Dos Santos Pereira, Fernanda Brasil Boos, Luis Fernado Gorla, Idelmo Rangel Garcia, Roberta Okamoto, Eduardo Hochuli-Vieira
The aim of this study was to compare the bone resorption rate and histometry of ChronOS, a beta-tricalcium phosphate (β-TCP), mixed with autogenous bone grafts (1:1) with that of autogenous bone grafts alone in maxillary sinus elevation surgery. A total of 12 maxillary sinuses were grafted with an autogenous bone graft (control group) and 9 with ChronOS mixed with an autogenous bone graft (test group). Postoperative cone beam computed tomography (CBCT) was used to measure the initial graft volume after 15 days (T₁), and 6 months later another CBCT scan was performed to evaluate the final graft volume (T₂) and determine the graft resorption rate...
November 2016: International Journal of Periodontics & Restorative Dentistry
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