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sinus grafting

Daniel S Thoma, Robert Haas, Katarzyna Sporniak-Tutak, Abel Garcia, Thomas D Taylor, Christoph H F Hämmerle
AIM: to compare the implant survival rate between short dental implants and standard length implants placed in combination with bone grafting at 5 years of loading. METHODS: This multicenter study enrolled 101 patients (137 implants) with a posterior maxillary bone height of 5-7mm. Patients randomly received either short implants (6mm) (GS) or long implants (11-15mm) with sinus grafting (GG). Six months later, implants were loaded with single crowns and patients re-examined at one, three and five years of loading...
October 20, 2018: Journal of Clinical Periodontology
J Romero-Millán, F Hernández-Alfaro, M Peñarrocha-Diago, D Soto-Peñaloza, D Peñarrocha-Oltra, M-A Peñarrocha-Diago
BACKGROUND: To compare the radiological parameters and success of posterior maxillary direct sinus lift with simultaneous or delayed implant placement, or implant placement in native bone, after a minimum follow-up period of 5 years. MATERIAL AND METHODS: A retrospective cohort study was carried out in a university clinic, selecting patients subjected to implant treatment in the posterior maxilla between the years 2005 and 2011. The patients were divided into three groups: 1) implants placed in native bone; 2) direct sinus lift with simultaneous implant placement; and 3) direct sinus lift with delayed implant placement...
October 20, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
J Carreño-Carreño, G Gómez-Moreno, A Aguilar-Salvatierra, C Menéndez-López-Mateos, A Piattelli, M Menéndez-Núñez
BACKGROUND: The purpose of this study was to evaluate by computed tomography the influence of smoking on the bone height achieved nine months after lateral window technique for maxillary sinus augmentation using a bovine xenograft. MATERIAL AND METHODS: In this cohort study, 174 patients (90 women and 84 men) with a mean age of 55.92 years underwent 227 sinus elevations. Orthopantomographs and computerized tomographs were made immediately after sinus grafting and nine months later to measure the amount of residual and regenerated bone in vertical and transversal direction...
October 20, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
Siddharth Amboli, Yatindra U Ashtaputre, Anuradha Kamath, Channabasavaraj S Hiremath, Krishna Manohar
Partial anomalous pulmonary venous return is a congenital anomaly in which some of the pulmonary veins drain into the right atrium or one of its venous tributaries. Although excellent long-term results have been described for the classic two-patch technique repair in older patients, The Warden procedure has an important role in smaller and younger patients and those patients in whom the superior vena cava (SVC) may be small and the right-sided pulmonary veins may connect high, at or above the azygos vein. In addition to prevention of early and late sinus node dysfunction, the Warden procedure helps to avoid systemic or pulmonary venous obstruction if care is taken to ensure a tension-free Warden anastomosis...
October 18, 2018: World Journal for Pediatric & Congenital Heart Surgery
Danielle Ayumi Nishimura, Eduardo Massaharu Aoki, Reinaldo Abdala Júnior, Emiko Saito Arita, Otavio Henrique Pinhata-Baptista, Ricardo Yudi Tateno, Luciana Correa, Arthur Rodriguez Gonzalez Cortes
PURPOSE: Pixel values from cone-beam computed tomography (CBCT) are proportional to bone density. This study aimed to correlate and compare pixel values of healed maxillary sinus grafts and adjacent native bone (NB). MATERIAL AND METHODS: This study was conducted on CBCT scan patients referred for maxillary sinus floor augmentation with biphasic calcium phosphate (n = 31). Graft height and width measurements were performed. In addition, mean pixel values were calculated in 3 different regions: NB, sinus graft close to NB (CNB), and sinus graft far from NB (FNB)...
October 12, 2018: Implant Dentistry
Justin Ranaan, Seyed Hossein Bassir, Luciano Andrada, Ahmad Reza Shamshiri, Mohamed Maksoud, Rodney Raanan, Kevin Guze
OBJECTIVE: Slit-window technique is a lateral approach sinus floor elevation (SFE) procedure that utilizes a rigid resorbable membrane in conjunction with stabilizing bony slits to tent the Schneiderian membrane without addition of grafting materials. The aim of this randomized clinical trial was to compare clinical and radiographic outcomes of the Slit-window SFE with those of SFE with bone grafting. MATERIAL AND METHODS: Thirty-three patients with 38 edentulous sites were included...
October 3, 2018: Clinical Oral Implants Research
Pier Paolo Poli, Valthierre de Nunes Lima, Francisley Ávila Souza, Idelmo Rangel Garcia Junior, Carlo Maiorana
PURPOSE: The purpose of this systematic review was to evaluate the outcome of dental implant treatment in fully edentulous patients who underwent Le Fort I osteotomy as a preprosthetic surgical technique. MATERIALS AND METHODS: A search was conducted of the PubMed (MEDLINE), EMBASE, Scopus, and Cochrane databases to identify records published from 1995 to 2017 dealing with Le Fort I osteotomy procedures for implant placement purposes. The primary outcomes of interest were the survival and success rates...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
Yuichi Ninomiya, Shuichi Hamasaki, Yutaro Nomoto, Takeko Kawabata, Daichi Fukumoto, Akino Yoshimura, Shunichi Imamura, Masakazu Ogawa, Yuta Shiramomo, Keisuke Kawaida, Goichi Yotsumoto, Hiroto Suzuyama, Kazuhiro Nishigami, Tomohiro Sakamoto, Mitsuru Ohishi
An 84-year-old female patient suffered from dyspnea due to severe aortic stenosis. Several comorbidities and her advanced age made her acceptable for transcatheter aortic valve implantation (TAVI). The TAVI procedure was performed via a femoral access and a 26-mm CoreValve prosthesis (Medtronic, Minneapolis, MN, USA) was implanted. The prosthesis was deployed at a high position because of short distance between the annulus base and coronary arteries. Aortic angiography indicated normal contrast flow into both coronary arteries...
April 2018: Journal of Cardiology Cases
Xin Hua Yin, Zhong Kai Liu, Dingjun Hao
Literature about postoperative relapse of Pott's disease is rare. Accordingly, the risk factors and clinical treatments for postoperative relapse of Pott's disease remain controversial. In order to evaluate the clinical outcomes of surgical treatment of postoperative Pott's disease relapse, and to investigate its optimal therapeutic procedures with respect to focal characteristics, we performed a retrospective review of clinical and radiographic data that were prospectively collected between July 2008 and May 2014 from 753 consecutive spinal tubercular patients including 67 patients who were diagnosed and treated as postoperative relapse of Pott's disease in our hospital...
September 2018: Medicine (Baltimore)
Idelmo Rangel Garcia-Júnior, Francisley Ávila Souza, Antônio Alberto Scarabucci Figueiredo, Pier Paolo Poli, Francine Benetti, Sabrina Ferreira, Willian Morais de Melo, Sandra Rahal
Atrophy of the alveolar ridge requires bone grafting at the implant site for rehabilitation of the masticatory function with dental implants. Despite the advances in the development of bone substitutes, autogenous bone graft remains the "criterion standard" because of its osteogenic, osteoinductive, osteoconductive potential, and non-immunogenic properties. However, harvesting of autogenous bone is not exempt from donor site morbidity. In this context, the use of autogenous bone derived from the proximal ulna might be a viable resource to obtain corticocancellous bone graft, as the harvesting from this donor site is associated with low morbidity...
October 1, 2018: Journal of Craniofacial Surgery
Yaniv Mayer, Anat Ben-Dor, Hadar Zigdon-Giladi, Zvi Gutmacher
OBJECTIVE: The aim of this retrospective study was to measure the sinus membrane's dimensional changes following maxillary sinus augmentation via a lateral approach, and to examine the variables affecting changes in the membrane's thickness. METHOD AND MATERIALS: Sixty-six sinuses corresponding to 50 patients (15 males and 35 females) who underwent lateral wall maxillary sinus augmentation (34 unilateral and 16 bilateral) were retrospectively evaluated. The sinus membrane thickness was measured on cross-sectional cone beam computed tomography (CBCT) scans which were performed prior to and 9 to 11 months' post maxillary sinus augmentation...
September 27, 2018: Quintessence International
Murat Bulent Rabus, Davut Cekmecelioglu, Pinar Ata, Saleh Salihi, Emre Selcuk, Mehmet Balkanay
OBJECTIVES: Our study was conducted to determine the effects of intraoperative antithymocyte globulin administration on donor hearts procured after cardiocirculatory death. We evaluated the impact of antithymocyte globulin on graft function and related parameters during isothermic blood cardioplegia. MATERIALS AND METHODS: In this prospective and randomized single center study, 30 patients with orthotropic heart transplant were divided into 2 groups: group 1 included 15 patients who received retrograde antithymocyte globulin infusion via coronary sinus intraoperatively and immediately after organ procurement and group 2 included 15 patients who received traditional antithymocyte globulin infusion after implantation...
September 25, 2018: Experimental and Clinical Transplantation
Ikenna C Madueke, Wen-Yang Hu, Liwei Huang, Gail S Prins
Wnt proteins are highly conserved secreted morphogens that function in organ development across species. This study investigates the role(s) of Wnt2 during prostate gland development. Wnt2 mRNA ontogeny in the rat ventral prostate rapidly declines in expression from peak value at post-natal day (pnd) 1 to nadir levels sustained through adulthood. Wnt2 mRNA is expressed in prostate mesenchymal cells and Wnt2 protein localizes to both mesenchymal and epithelial cells. Sustained expression of Wnt2 by adenoviral expression during rat postnatal prostate gland development resulted in significant reduction in gland size confirming its necessary decline to permit normal development...
2018: American Journal of Clinical and Experimental Urology
Essam Ahmed Al-Moraissi, Nashwan Hamid Altairi, Bassam Abotaleb, Ghassan Al-Iryani, Essam Halboub, Mohammed Sultan Alakhali
PURPOSE: The most effective rehabilitation method for patients with edentulous posterior maxillas with an intermediate (4 to 8 mm) residual bone height (RBH) below the maxillary sinus is unclear. Evidence derived from conventional meta-analysis is limited because of the lack of head-to-head studies. This network meta-analysis (NMA) was performed to identify the most effective method to treat patients with intermediate posterior RBH. MATERIALS AND METHODS: An NMA of randomized controlled clinical trials (RCTs) was conducted to assess various rehabilitation methods using implant-supported prostheses for patients with intermediate posterior maxillary RBH (4 to 8 mm)...
August 22, 2018: Journal of Oral and Maxillofacial Surgery
Vito Del Deo, Antonio Fico, Corrado Marini, Salvatore Senese, Giulio Gasparini
PURPOSE: The main objective of this study, involving 11 patients, is to share our experience on an integrated treatment modality, namely, the use of cellular therapy simultaneously with surgical reconstruction. Published works show that the implantation of monocytes in ischemic tissue enhances healing by providing neo-angiogenesis, a key mechanism in tissue regenerative processes. MATERIALS AND METHODS: Our approach included the utilization of autologous monocytes and endothelial precursor cells in the bone graft itself to improve the success rate of the integration of the bone graft and its long-term viability/survival by promoting angiogenesis...
September 19, 2018: Implant Dentistry
Yan Zhang, Bin Zhang, Jiazhen Li, Xinchang Lu, Yi Zhang
Objective: To summarize the preliminary effectiveness of surgical treatment of Erdheim-Chester disease (ECD), so as to improve the understanding of the disease by orthopedic surgeons. Methods: The clinical data of 9 patients with ECD between December 2012 and October 2017 were retrospectively analysed. There were 6 males and 3 females with an median age of 42 years (range, 8-61 years). The disease duration was 4-59 months (mean, 39 months). There were 2 cases of multiple lesions, including 1 case involving soft tissue of the buttocks and bilateral tibia, 1 case involving the sinus, skull base, and proximal right tibia; 7 cases with single lesion, including 3 cases of right femoral neck, 1 case of proximal right tibia, 1 case of right humerus, and 2 cases of ribs...
August 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
Fouad Khoury, Fawad Javed, Georgios E Romanos
PURPOSE: This observational study was based on a series of clinical cases in which failure of sinus augmentations occurred in patients who received prophylactic clindamycin therapy. MATERIALS AND METHODS: Between the years 2006 and 2010, a retrospective observational study was performed. The study consisted of 1,874 patients (723 males and 1,151 females) in whom sinus augmentations were performed prior to placement of dental implants. RESULTS: In nine (0...
September 2018: International Journal of Oral & Maxillofacial Implants
Marcello Santoro, Roberto Pippi
PURPOSE: To evaluate the mean amount of intrasinus bone obtainable with the osteotome technique for transcrestal maxillary sinus elevation combined with simultaneous implant insertion, with and without the use of grafting materials. MATERIALS AND METHODS: A review was conducted on PubMed, Scopus, and Cochrane central databases. Only human studies in which implant placement was contextual to the sinus elevation procedure, without additional crestal regenerative procedures and with a minimum 1-year follow-up, were selected...
September 2018: International Journal of Oral & Maxillofacial Implants
Takashi Kunihara
INTRODUCTION: The current guidelines for surgical intervention of aortic regurgitation were developed by assuming aortic valve replacement. However, when aortic valve repair is considered, earlier intervention may provide more durable repair. Standardization of the procedures may be required to achieve stable outcomes. The possibility of standardization of valve-sparing root replacement (VSRR) and annuloplasty will be discussed. METHODS AND RESULTS: The differences between the two VSRRs have decreased with technical modifications, reimplantation using a graft with sinuses, and remodeling with annuloplasty...
September 17, 2018: General Thoracic and Cardiovascular Surgery
Xu Zhao, Wei Gao, Feng Liu
BACKGROUND: Implant placement in the posterior maxilla is often complicated by the insufficient bone volume. While transalveolar sinus floor elevation (TSFE) has been proven as a predictable surgical procedure to increase the bone height in the posterior maxilla, questions in regard to the necessity of the bone grafting during the sinus lift and the question of whether TSFE could be performed when the residual bone height is below 5 mm are still debated. Furthermore, high-quality evidence comparing the clinical outcome of transalveolar sinus floor elevation with osteotome and modified sinus floor elevation with crestal non-cutting drills is limited...
September 14, 2018: Trials
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