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Composite onlay

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https://www.readbyqxmd.com/read/29316231/osteogenic-cellular-activity-around-onlaid-octacalcium-phosphate-gelatin-composite-onto-rat-calvaria
#1
Ryosuke Iwama, Takahisa Anada, Yukari Shiwaku, Kaori Tsuchiya, Tetsu Takahashi, Osamu Suzuki
The activity and the distribution of osteogenic cells around octacalcium phosphate (OCP) granules combined with gelatin matrix (OCP/Gel) onlaid on rat calvaria were analyzed histomorphometrically and immunohistochemically during vertical bone augmentation under mechanical or non-mechanical environment until 8 weeks. OCP/Gel disk was placed in subperiosteal pocket on the calvaria with or without polytetrafluoroethylene (PTFE) support. The latter is a non-mechanical stress model to alleviate the mechanical stress from the subcutaneous tissues...
January 9, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29296101/preclinical-evaluation-of-the-effect-of-the-combined-use-of-the-ethicon-securestrap%C3%A2-open-absorbable-strap-fixation-device-and-ethicon-physiomesh%C3%A2-open-flexible-composite-mesh-device-on-surgeon-stress-during-ventral-hernia-repair
#2
Nadia Sutton, Melinda H MacDonald, John Lombard, Bodgan Ilie, Piet Hinoul, Douglas A Granger
Aim: To evaluate whether performing ventral hernia repairs using the Ethicon Physiomesh™ Open Flexible Composite Mesh Device in conjunction with the Ethicon Securestrap® Open Absorbable Strap Fixation Device reduces surgical time and surgeon stress levels, compared with traditional surgical repair methods. Methods: To repair a simulated ventral incisional hernia, two surgeries were performed by eight experienced surgeons using a live porcine model. One procedure involved traditional suture methods and a flat mesh, and the other procedure involved a mechanical fixation device and a skirted flexible composite mesh...
2018: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29275171/a-retrospective-clinical-study-on-the-longevity-of-posterior-class-ii-cast-gold-inlays-onlays
#3
A Mulic, G Svendsen, S E Kopperud
OBJECTIVE: To investigate the longevity and reasons for failure of posterior cast Class II gold inlays and onlays among a group of Norwegian adults. The term inlay was used for both inlays and onlays. METHODS: A cohort of 138 patients regularly attending a general practice for check-up were examined in 2016. The patients had a total of 391 posterior gold inlays placed in the period 1970-2015. The inlays were categorized as successful, repaired or failed. Reasons for failure were classified as either "secondary caries", "fractures", "lost inlay" or "other"...
December 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29226882/concomitant-intraperitoneal-onlay-mesh-repair-with-endoscopic-component-separation-and-sleeve-gastrectomy
#4
P Praveen Raj, Siddhartha Bhattacharya, S Saravana Kumar, R Parthasarathi, C Palanivelu
Bariatric surgery can be safely combined with laparoscopic intraperitoneal onlay mesh (IPOM) repair. In case of large ventral hernias, laparoendoscopic component separation can also be combined to achieve tension-free closure of the defect. Concomitant bariatric surgery and hernia repair also offer the additional benefit of reduction in recurrence of hernias as obesity, one of the risk factors, is treated in the process. We present a case of 60-year-old man with a body mass index of 45.3 kg/m2 with a large recurrent ventral hernia...
December 11, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/29178763/influence-of-different-cavity-preparation-designs-on-fracture-resistance-of-onlay-and-overlay-restorations-using-different-cad-cam-materials
#5
Gizem Ön Salman, Ɣbrahim Halil Tacír, Zelal Seyfioğlu Polat, Afşin Salman
PURPOSE: To evaluate fracture strength of different preparation designed onlay and overlay restorations produced by Computer Aided Design/Computer Aided Manufacturing (CAD/CAM) and three different new ceramic-polymer blocks. METHODS: Ninety-one extracted human mandibular molars were used in this study. Preparations were made as (1) Only functional cusps reduction, (2) Only functional cusps reduction+rounded shoulder finish line, (3) All cusps reduction, or (4) All cusps reduction+rounded shoulder finish line...
June 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29159603/prophylactic-intraperitoneal-onlay-mesh-reinforcement-reduces-the-risk-of-incisional-hernia-two-year-results-of-a-randomized-clinical-trial
#6
Philippe Brosi, Philippe M Glauser, Benjamin Speich, Samuel A Käser, Christoph A Maurer
BACKGROUND: Incisional hernias still are a major concern after laparotomy and are causing substantial morbidity. This study examines the feasibility, safety and incisional hernia rate of the use of a prophylactic intraperitoneal onlay mesh stripe (IPOM) to prevent incisional hernia following midline laparotomy. METHODS: This prospective, randomized controlled trial randomly allocated patients undergoing median laparotomy either to mass closure of the abdominal wall with a PDS-loop running suture reinforced by an intraperitoneal composite mesh stripe (Group A) or to the same procedure without the additional mesh stripe (Group B)...
November 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29153902/robotic-buccal-mucosal-graft-ureteroplasty-for-complex-ureteral-stricture
#7
Sohrab Arora, Logan Campbell, Mouafak Tourojman, Daniel Pucheril, Lamont R Jones, Craig Rogers
OBJECTIVE: To demonstrate robot-assisted ureterolysis and buccal mucosal graft (BMG) ureteroplasty for the management of a complex, long recurrent ureteral stricture developing after ureterolysis, and also to demonstrate the use of near-infrared fluorescence (NIRF) imaging and intraoperative ureteroscopy during this procedure. METHODS: A 58-year-old man with a history of cabergoline treatment and a cardiac catheterization through the left groin presented with left flank pain and hydronephrosis...
December 2017: Urology
https://www.readbyqxmd.com/read/28927922/retrospective-clinical-evaluation-of-ceramic-onlays-placed-by-dental-students
#8
Jennifer J Archibald, Gildo Coelho Santos, Maria Jacinta Moraes Coelho Santos
STATEMENT OF PROBLEM: Indirect restorations with partial or complete occlusal surface coverage have been recommended to restore teeth with weakened walls in order to prevent cusp fracture. The success of these restorations when performed by dental students is unknown. PURPOSE: The purpose of this retrospective study was to evaluate the clinical performance of adhesively bonded ceramic onlay restorations placed by third- and fourth-year dental students. MATERIAL AND METHODS: Sixty-five ceramic onlays were placed in patients between 2009 and 2015...
September 16, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28876966/the-effect-of-resin-bonding-on-long-term-success-of-high-strength-ceramics
#9
M B Blatz, M Vonderheide, J Conejo
Digital manufacturing, all-ceramics, and adhesive dentistry are currently the trendiest topics in clinical restorative dentistry. Tooth- and implant-supported fixed restorations from computer-aided design (CAD)/computer-aided manufacturing (CAM)-fabricated high-strength ceramics-namely, alumina and zirconia-are widely accepted as reliable alternatives to traditional metal-ceramic restorations. Most recent developments have focused on high-translucent monolithic full-contour zirconia restorations, which have become extremely popular in a short period of time, due to physical strength, CAD/CAM fabrication, and low cost...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28852748/up-to-27-years-clinical-long-term-results-of-chairside-cerec-1-cad-cam-inlays-and-onlays
#10
Tobias Otto
The objective of this follow-up study was to examine the performance of Cerec 1 inlays and onlays in terms of clinical quality over a mean functional period of 25 years. Out of 200 Cerec 1 inlays and onlays placed consecutively in 108 patients in a private practice between 1989 and early 1991, 141 restorations could be reevaluated in 65 patients after up to 26 years and 10 months. All ceramic inlays and onlays had been generated chairside using the Cerec 1 method, and had been seated adhesively using bonding composite...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28777394/in-vitro-evaluation-of-onlay-restorations-on-primary-teeth
#11
Kadriye G U Güzel, Ayşe C Altun, Zuhal Kırzıoğlu
PURPOSE: Many novel materials have been developed such as composite resin, ceramic, zircon or metal-supported ceramic for use in aesthetic restoration of primary teeth and permanent teeth with extensive crown damage. The aim of the present study was to compare microtensile bond strengths on materials using the microtensile bond strength test. MATERIALS AND METHODS: The microtensile bond strength on the primary tooth dentin was measured on extracted primary teeth using an indirect method and fracture patterns were evaluated...
August 2, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28653051/posterior-indirect-adhesive-%C3%A2-restorations-updated-indications-%C3%A2-and-the-morphology-driven-%C3%A2-preparation-technique
#12
Marco Veneziani
The aim of this article is to identify the indications for adhesively cemented restorations and to provide a correct step-by-step protocol for clinicians. New cavity preparation principles are based on morphological considerations in terms of geometry (maximum profile line and inclination of cusp lines), and structure (dentin concavity and enamel convexity). In this article, we discuss previous preparation concepts that were not designed purely for adhesive restorations and were therefore not conservative enough or suitable for adhesive procedures...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28586234/the-direct-indirect-technique-for-composite-restorations-revisited
#13
André V Ritter, Newton Fahl, Marcos Vargas, Rodrigo R Maia
In the direct-indirect composite technique, composite is applied to a nonretentive tooth preparation (eg, a noncarious cervical lesion or a veneer/inlay/onlay preparation) without any bonding agent, sculpted to a primary anatomic form, and light-cured. The partially polymerized restoration is then removed from the preparation and finished and tempered extraorally chairside. The finished inlay is bonded to the preparation using a resin-based luting agent. Advantages of this technique include enhanced physical and mechanical properties afforded by the extraoral chairside tempering process because of increased monomer conversion, and greater operator control over the final marginal adaptation, surface finishing and polishing, and anatomy of the restoration, given that these elements are defined outside of the patient's mouth...
June 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28435365/can-onlay-s-be-an-alternative-restoration-for-severely-damaged-primary-teeth
#14
Begum Gok Coban, Zuhal Kirzioglu, Ayse Ceren Altun
OBJECTIVE: The aim of this study was to evaluate indirect compomer and composite resin onlay restorations of severely damaged primary molars in vivo. MATERIALS AND METHODS: At the study, 48 restorations, in seven girls and ten boys totally 17 patients aged 4-8, was evaluated clinically with using USPHS criteria for 15 months. RESULTS: The study results revealed that the clinical success rate of compomer and composite onlay restorations was 79% and 96%, respectively...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28367909/bonding-state-of-metal-free-cad-cam-onlay-restoration-after-cyclic-loading-with-and-without-immediate-dentin-sealing
#15
Noriko Ishii, Toshio Maseki, Yoichiro Nara
To examine the bonding state of metal-free CAD/CAM onlay restorations made from two popular resin composite blocks and a typical glass-ceramic block after cyclic loading, with and without immediate dentin sealing (IDS). Standardized mesial-distal-occlusalbuccal (MODB) cavities in 24 extracted human molars were prepared. The intra-cavity dentin surfaces of half of the cavities were immediately sealed with all-in-one adhesive and flowable composite, while those of the other half were not. All cavities were scanned, from which CAD/CAM onlays were fabricated from three types of block and cemented with an adhesive resin cement system...
May 31, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28366225/semidirect-posterior-composite-restorations-with-a-flexible-die-technique-a-case-series
#16
Carlos Rocha Gomes Torres, Rayssa Ferreira Zanatta, Maria Filomena Rocha Lima Huhtala, Alessandra Bühler Borges
BACKGROUND AND OVERVIEW: Besides indirect use in the laboratory and direct use for restorations, composites can be used in semidirect procedures. The authors describe the semidirect composite restoration technique by using a flexible die for large lesions in posterior teeth. CASE DESCRIPTION: The authors present illustrations of the clinical steps and the outcomes immediately after the procedures. The authors placed chairside inlay, onlay, and overlay composite restorations...
March 30, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28125805/characterization-of-an-acellular-scaffold-for-a-tissue-engineering-approach-to-the-nipple-areolar-complex-reconstruction
#17
Nicholas C Pashos, Michelle E Scarritt, Zachary R Eagle, Jeffrey M Gimble, Abigail E Chaffin, Bruce A Bunnell
A significant number of patients undergo mastectomies and breast reconstructions every year using many surgical-based techniques to reconstruct the nipple-areolar complex (NAC). Described herein is a tissue engineering approach that may permit a human NAC onlay graft during breast reconstruction procedures. By applying decellularization, which is the removal of cellular components from tissue, to an intact whole donor NAC, the extracellular matrix (ECM) structure of the NAC is preserved. This creates a biologically derived scaffold for cells to repopulate and regenerate the NAC...
2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28089291/repair-of-stenosed-neourethra-using-the-proximal-neourethral-diverticulum-a-technique-in-redo-hypospadias-surgery
#18
Cenita J Sam, Sudipta Sen, Pavai A Arunachalam
Neourethral diverticulum secondary to distal neourethral stenosis is not uncommon after proximal hypospadias repair. We describe a technique using the neo urethral diverticular roof and overlying skin as a composite flap to reconstruct the urethral stenosis distal to the diverticulum. The composite flap is advanced distally for reconstruction of the stenosed urethra either as a tube or as an onlay. Urethra at the diverticular bed is tubularized to reduce its caliber. This technique has yielded excellent results in three children...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28078462/assessment-of-predictive-factors-for-recurrence-in-laparoscopic-ventral-hernia-repair-using-a-bridging-technique
#19
P Hauters, J Desmet, D Gherardi, S Dewaele, H Poilvache, P Malvaux
AIM: To assess the long-term incidence and predictive factors for recurrence after laparoscopic ventral hernia repair using a bridging technique. METHODS: The study group consisted of 213 consecutive patients operated by laparoscopy for primary ventral (n = 158) or incisional hernia (n = 55) between 2001 and 2014. Patients had a repair without fascia closure by intra-peritoneal onlay placement of a Parietex(®) composite mesh centred on the defect with an overlap of at least 3 cm...
January 11, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28068260/direct-composite-resin-onlays-rationale-and-clinical-application
#20
REVIEW
Roger A Solow
No abstract text is available yet for this article.
January 2017: General Dentistry
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