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Sinus augmentation

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https://www.readbyqxmd.com/read/29150321/a-description-of-the-sequence-of-long-term-behavior-of-autogenous-boneblock-in-maxillary-sinus-augmentation-in-sheep-additional-morphologic-and-histomorphometric-evidence
#1
Sebastian Pohl, Robert Haas, Stefan Tangl, Christian Schuh, Georg Mailath-Pokorny, Veronika Pohl
OBJECTIVE: To document the behavior of autogenous bone block in sinus lift and surgical consequences. STUDY DESIGN: Twelve sinus lifts with autogenous hip bone blocks and simultaneous insertion of two implants in 6 adult female sheep. Polychrome sequential labelling and histologic and histomorphometric evaluation after 6, 16, and 26 weeks. RESULTS: Augmentation material in the apical third was almost fully resorbed after 26 weeks (P = ...
September 21, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29150131/a-3d-printed-guide-for-lateral-approach-sinus-grafting-a-dental-technique
#2
Brian J Goodacre, Rajesh S Swamidass, Jaime Lozada, Aladdin Al-Ardah, Erik Sahl
Lateral approach sinus grafting has become a routine and predictable surgical method of augmenting the pneumatized sinus for implant placement. Outlining the lateral window access can be a challenging task for the clinician to envision and execute. Improper extension and access to the maxillary sinus can prevent proper placement of graft materials and lead to complications. The purpose of this report was to demonstrate a technique that will allow the precise planning of the lateral approach using radiographic information and 3-dimensional (3D) software to 3D-print a surgical guide...
November 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29142655/maxillary-sinus-floor-augmentation-a-review-of-selected-treatment-modalities
#3
REVIEW
Thomas Starch-Jensen, Janek Dalsgaard Jensen
Objectives: The objective of the present study is to present the current best evidence for enhancement of the vertical alveolar bone height and oral rehabilitation of the atrophic posterior maxilla with dental implants and propose some evidence-based treatment guidelines. Material and Methods: A comprehensive review of the English literature including MEDLINE (PubMed), Embase and Cochrane Library search was conducted assessing the final implant treatment outcome after oral rehabilitation of the atrophic posterior maxilla with dental implants...
July 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29140380/success-and-failure-rates-of-1-344-6-to-9-mm-length-rough-surface-implants-placed-at-the-time-of-transalveolar-sinus-elevations-restored-with-single-crowns-and-followed-for-60-to-229-months-in-function
#4
Paul A Fugazzotto
PURPOSE: To assess the success and stability of 6-, 7-, 8-, and 9-mm-long, 6.5-mm-wide-neck tissue-level implants placed at the time of transalveolar sinus augmentation therapy, utilizing a trephine and osteotome approach, which were restored with single crowns. MATERIALS AND METHODS: In total, 1,344 implants were placed by the author, varying in length from 6 to 9 mm, with parallel-wall 4.8-mm-diameter implant bodies and 6.5-mm-diameter implant necks. The implants were restored with single abutments and crowns by a variety of practitioners...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140101/fabrication-of-a-surgical-guide-for-lateral-sinus-augmentation
#5
Robert Stanley, Gregori M Kurtzman
Cone-beam computed tomography (CBCT) scans are used in planning implant treatment to help determine volume of available bone and identify anatomical structures. This enhances planning, particularly when inadequate bone is present in the posterior maxilla due to proximity of the inferior aspect of the maxillary sinus to the crestal bone. To place dental implants into this area, sinus augmentation is often needed to provide sufficient bone volume to support implants and allow prosthetic loading with predictable long-term results...
November 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29135351/human-studies-of-vertical-and-horizontal-alveolar-ridge-augmentation-comparing-different-types-of-bone-graft-materials-a-systematic-review
#6
Suraj Chavda, Liran Levin
Alveolar ridge augmentation can be completed with various types of bone augmentation materials (autogenous, allograft, xenograft & alloplast). Currently autogenous bone is labelled as the "gold standard" due to faster healing times and integration between native and foreign bone. No systematic review has currently determined whether there is a difference of implant success between various bone augmentation materials. The purpose of this paper was to systematically review comparative human studies of vertical and horizontal alveolar ridge augmentation comparing different types of bone graft materials (autogenous, allograft, xenograft & alloplast)...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29117044/crestal-sinus-augmentation-in-the-presence-of-an-antral-pseudocyst
#7
Ji-Hyeon Oh, Xueyin An, Seung-Mi Jeong, Byung-Ho Choi
PURPOSE: Antral pseudocysts classically have a well-defined, hyperdense, unilocular, dome-shaped appearance in radiographs. The best therapeutic approach for treating these cysts in the context of sinus floor augmentation remains controversial. This article presents a new technique that allows both sinus membrane elevation and cyst removal through a crestal approach in patients with pseudocysts in the maxillary sinus. MATERIALS AND METHODS: The technique combined aspiration of the cysts during sinus floor elevation with a sinus augmentation procedure using a hydraulic sinus elevation system...
November 6, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29109841/mandibular-reconstruction-with-lateral-tibial-bone-graft-an-excellent-option-for-oral-and-maxillofacial-surgery
#8
Ana Lucia Carpi Miceli, Livia Costa Pereira, Thiago da Silva Torres, Mônica Diuana Calasans-Maia, Rafael Seabra Louro
Autogenous bone grafts are the gold standard for reconstruction of atrophic jaws, pseudoarthroses, alveolar clefts, orthognathic surgery, mandibular discontinuity, and augmentation of sinus maxillary. Bone graft can be harvested from iliac bone, calvarium, tibial bone, rib, and intraoral bone. Proximal tibia is a common donor site with few reported problems compared with other sites. The aim of this study was to evaluate the use of proximal tibia as a donor area for maxillofacial reconstructions, focusing on quantifying the volume of cancellous graft harvested by a lateral approach and to assess the complications of this technique...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29107798/parent-emotion-socialization-and-pre-adolescent-s-social-and-emotional-adjustment-moderating-effects-of-autonomic-nervous-system-reactivity
#9
Julia D McQuade, Rosanna P Breaux
This study examined whether measures of children's autonomic nervous system (ANS) reactivity to social stress moderated the effect of parent emotion socialization on children's social and emotional adjustment. Sixty-one children (9 to 13 years) completed a peer rejection task while their respiratory sinus arrhythmia reactivity (RSA-R) and skin conductance level reactivity (SCL-R) were assessed. Parents' report of supportive and non-supportive reactions to their child's negative emotions served as measures of emotion socialization...
October 28, 2017: Biological Psychology
https://www.readbyqxmd.com/read/29105932/bioactive-treatments-in-bone-grafts-for-implant-based-rehabilitation-systematic-review-and-meta-analysis
#10
REVIEW
Wellington Luiz de Oliveira da Rosa, Tiago Machado da Silva, Adriana Fernandes da Silva, Evandro Piva
BACKGROUND: The use of bioactive proteins, such as rhBMP-2, may improve bone regeneration in oral and maxillofacial surgery. PURPOSE: Analyze the effect of using bioactive proteins for bone regeneration in implant-based rehabilitation. MATERIALS AND METHODS: Seven databases were screened. Only clinical trials that evaluated the use of heterologous sources of bioactive proteins for bone formation prior to implant-based rehabilitation were included...
November 6, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29100829/prospective-and-randomized-evaluation-of-chronos-and-bio-oss-in-human-maxillary-sinuses-histomorphometric-and-immunohistochemical-assignment-for-runx-2-vascular-endothelial-growth-factor-and-osteocalcin
#11
João Paulo Bonardi, Rodrigo Dos Santos Pereira, Fernanda Brasil Jorge Daura Boos, Leonarod Perez Faverani, Geraldo Luiz Griza, Roberta Okamoto, Eduardo Hochuli-Vieira
PURPOSE: The aim of this study was to compare ChronOS (β-tricalcium phosphate), Bio-Oss, and their addition to an autogenous bone graft in a 1:1 ratio in human maxillary sinus bone augmentation. MATERIALS AND METHODS: Thirty maxillary sinuses were divided in 5 groups: group 1 included 6 maxillary sinuses grafted with autogenous bone graft alone; group 2 included 6 maxillary sinuses grafted with ChronOS; group 3 included 6 maxillary sinuses grafted with ChronOS and autogenous bone graft in a 1:1 ratio; group 4 included 6 maxillary sinuses grafted with Bio-Oss; and group 5 included 6 maxillary sinuses grafted with Bio-Oss and autogenous bone graft in a 1:1 ratio...
October 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29095785/multiple-perforations-of-the-sinus-floor-during-maxillary-sinus-floor-augmentation-to-provide-access-to-the-bone-marrow-space-a-technical-report
#12
Christian Ulm, Kristina Bertl, Georg D Strbac, Azadeh Esfandeyari, Andreas Stavropoulos, Werner Zechner
INTRODUCTION: Sinus floor augmentation is a routinely used surgical technique for increasing the bone height/volume of the atrophic posterior maxilla. Optimal integration of the implanted augmentation material within the newly formed bone will-at least partly-depend on adequate vascularization to ensure sufficient recruitment of osteoblast and osteoclast precursor cells. METHODS: The present technical note describes a modification intended to facilitate increased blood inflow into the augmented space...
November 1, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29091020/do-clinical-and-radiological-assessments-contribute-to-the-understanding-of-biomaterials-results-from-a-prospective-randomized-sinus-augmentation-split-mouth-trial
#13
Jonas Lorenz, Tadas Korzinskas, Poju Chia, Sarah Al Maawi, Katrin Eichler, Robert Sader, Shahram Ghanaati
The present prospective randomized split-mouth trial reports on the 3-year clinical and radiological follow-up investigation of implants placed 7 months after sinus augmentation with two different bone substitute materials. Aim of the study was to complete the histologic observation of the cellular reactions by analysis of the implants and the volumetric changes of the augmented bone substitute materials. A sinus augmentation split-mouth trial was performed in 14 patients with the synthetic bone substitute material Nanobone® (NB) and the xenogeneic Bio-Oss® (BO)...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29077774/histologic-and-histomorphometric-analysis-at-26-months-of-a-bovine-hydroxyapatite-maxillary-sinus-graft-a-case-report
#14
Hadi Antoun, Joseph Eid
A variety of biomaterials are used when performing sinus augmentation techniques. Bovine hydroxyapatite (BH) has already been demonstrated to present osteoconductive properties. The aim of this article is to provide a histologic and histomorphometric analysis, at 26 months, of a bone specimen extracted from a BH maxillary sinus graft. Histomorphometric results showed 64.4% bone density and 24.4% biomaterial density. Histologic analysis revealed marked bone formation and high osteoconductive properties in the BH particles, with no associated signs of inflammation...
October 27, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29071736/histopathological-comparison-of-healing-after-maxillary-sinus-augmentation-using-xenograft-mixed-with-autogenous-bone-versus-allograft-mixed-with-autogenous-bone
#15
Pablo Galindo-Moreno, Juan G de Buitrago, Miguel Padial-Molina, Juan Emilio Fernández-Barbero, Javier Ata-Ali, Francisco O Valle
OBJECTIVE: To compare the clinical and histologic outcomes of two different grafting materials (allograft and xenograft) when combined with autogenous bone and covered with a collagen membrane for sinus augmentation. MATERIAL AND METHODS: A parallel case series of fourteen patients in need of a unilateral sinus augmentation was evaluated in this study. Seven patients received a graft composed by autologous cortical bone (ACB) and anorganic bovine bone in a ratio of 1:1; the other seven patients received ACB mixed with an allograft in the same ratio...
October 26, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29064762/evaluation-of-the-anastomosis-canal-in-lateral-maxillary-sinus-wall-with-cone-beam-computerized-tomography-a-clinical-study
#16
Wentao Sun, Anhao Liu, Yin Gong, Rong Shu, Yufeng Xie
This clinical study used cone beam computerized tomography (CBCT) to locate the position of the anastomosis canal in lateral wall of maxillary sinuses, and to evaluate the thickness of lateral sinus wall and the distance from the lower border of the canal to the sinus floor, which could provide surgeon with information about this anastomosis. Two hundred and forty-two (242) volumes of CBCT scans were included in this study. The distances from the lower border of the anastomosis canal to the sinus floor and from the maxillary alveolar crest to the sinus floor were evaluated in transversal plane, and the thickness of the lateral sinus wall was measured at the distance of 3, 6, 9 mm from the sinus floor and at the level of the lower border of the canal at the same plane...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29060653/a-robust-automatic-mechanism-for-electrocardiogram-interpretation-in-telehealthcare
#17
Te-Wei Ho, Feipei Lai
Telehealthcare has become increasingly popular in clinical practice as a means of providing ubiquitous healthcare through long-term informative interactions and health monitoring. We have delivered a synchronized telehealthcare program since 2009. We have implemented a web-based clinical decision support system with a knowledge-based electrocardiogram (ECG) recognition mechanism as an augmentation service to assist medical practitioners doing decision making in clinical practice. To evaluate the capability and usage limits of this automatic ECG interpretation, the aim of this study was to validate the stability and robustness of proposed mechanism using stress testing through six simulation scenarios...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29055714/psychophysiology-of-proactive-and-reactive-relational-aggression
#18
Dianna Murray-Close, Leigh Ann Holterman, Nicole L Breslend, Alexandra Sullivan
This study investigated the joint effects of parasympathetic and sympathetic nervous system reactivity to social and non-social stressors on proactive (i.e., goal-directed, unemotional) and reactive (i.e., emotional, impulsive) functions of relational aggression. Two hundred and forty-seven (Mage=18.77years) participants completed a series of stressor tasks while their sympathetic arousal (i.e., skin conductance) and parasympathetic arousal (i.e., respiratory sinus arrhythmia) were assessed. Participants also provided self-reports of their aggressive behavior...
October 18, 2017: Biological Psychology
https://www.readbyqxmd.com/read/29053486/retrospective-analysis-of-sinus-membrane-thickening-profile-causal-factors-and-its-influence-on-complications
#19
Hyun-Chang Lim, Ji-Yeon Nam, Jae-Kook Cha, Jung-Seok Lee, Dong-Woon Lee, Ui-Won Jung, Seong-Ho Choi
PURPOSE: To retrospectively determine the profile of the sinus membrane (SM), potential factors affecting SM thickening (SMT), and the correlation between SMT and sinus augmentation (SA) complications. MATERIALS AND METHODS: In the patients who received lateral SA, SMT was classified in sagittal sections of cone-beam computed tomography according to its thickness and morphology. The correlation between SMT and the following factors was analyzed: age, sex, endodontic and periodontic statuses of neighboring teeth, and shape of the sinus inferior border...
October 17, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29053078/contralateral-transmaxillary-corridor-an-augmented-endoscopic-approach-to-the-petrous-apex
#20
Chirag R Patel, Eric W Wang, Juan C Fernandez-Miranda, Paul A Gardner, Carl H Snyderman
OBJECTIVE The endoscopic endonasal approach (EEA) has been shown to be an effective means of accessing lesions of the petrous apex. Lesions that are lateral to the paraclival segment of the internal carotid artery (ICA) require lateralization of the paraclival segment of the ICA or a transpterygoid infrapetrous approach. In this study the authors studied the feasibility of adding a contralateral transmaxillary (CTM) corridor to provide greater access to the petrous apex with decreased need for manipulation of the ICA...
October 20, 2017: Journal of Neurosurgery
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