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Connective tissue graft

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https://www.readbyqxmd.com/read/28338039/coronally-advanced-flap-combined-with-connective-tissue-graft-treatment-of-choice-for-root-coverage-following-recession
#1
Ed Madeley, Brett Duane
Data sourcesMedline, The Cochrane Database Trials Register, Embase, supplemented by handsearching of five prominent periodontal journals, references from reviewed papers and contact with experts in the field of mucogingival surgery.Study selectionRandomised controlled trials (RCTs) with or without a split-mouth design, on human patients. RCTs had to compare at least two different surgical interventions on clearly specified recession defects, be over six months in duration and have clearly specified clinical measurements regarding root coverage...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28314534/total-cavopulmonary-connection-with-a-new-bioabsorbable-vascular-graft-first-clinical-experience
#2
Leo A Bockeria, Oleg Svanidze, Alex Kim, Konstantin Shatalov, Vladimir Makarenko, Martijn Cox, Thierry Carrel
OBJECTIVES: To assess safety and clinical performance of a novel bioabsorbable vascular graft in pediatric patients with univentricular cardiac malformation who received surgical correction via an extracardiac cavopulmonary conduit. METHODS: The implanted graft material is designed to attract patient's own cells and proteins, which trigger a cascade of physiological events leading to endogenous tissue restoration. As the graft resorbs progressively after implantation, components of native tissue including collagen, endothelial lining, and capillary blood vessels develop and organize into a natural tissue...
February 7, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28300879/behavior-study-of-the-doped-castor-bean-polymer-rod-with-bioactive-glass-and-hidroxyapatite-in-mice-femur-medullary-canal
#3
Viviani Teixeira Dos Santos, Gilberto Gonçalves Facco, Hudman Cunha Ortiz, Iandara Schettert da Silva
Purpose To evaluate the polymer doped rods behavior with bioactive glass and hydroxyapatite for possible application as a fracture fixing method. Methods Twenty eight Rattus norvegicus Wistar underwent bone defect for access to the femoral medullary canal and distributed into three experimental groups: group A - doped castor bean polymer with bioactive glass; group B - castor bean polymer and; group C - castor bean polymer doped with bioactive glass and hydroxyapatite. After 15 and 60 evaluation days, the femurs were removed and sent for histology and scanning electron microscopy...
February 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28298832/reconstruction-of-interdental-papilla-using-autogenous-bone-and-connective-tissue-grafts
#4
Santhanakrishnan Muthukumar, Pooja Ajit, Shiyamali Sundararajan, Suresh Ranga Rao
Previous studies have reported the management of Class I and II papillary defects, but knowledge on Class III defects, estimated to have a poor periodontal prognosis, remains minimal. In this case report, a Class III papillary defect reconstruction was attempted mainly since the patient reported with difficulty in phonetics. In Stage I, autogenous bone graft from the maxillary tuberosity and subepithelial connective tissue graft was augmented to decrease the distance between the interdental bone crest and contact point, simultaneously achieving a switch in the periodontal biotype...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28298828/changes-of-the-peri-implant-soft-tissue-thickness-after-grafting-with-a-collagen-matrix
#5
Gregory-George Zafiropoulos, Giorgio Deli, Oliver Hoffmann, Gordon John
BACKGROUND: The aim of this study was to determine the treatment outcome of the use of a porcine monolayer collagen matrix (mCM) to increase soft-tissue volume as a part of implant site development. MATERIALS AND METHODS: Implants were placed in single sites in 27 patients. In the test group, mCM was used for soft-tissue augmentation. No graft was placed in the control group. Soft-tissue thickness (STTh) was measured at the time of surgery (T0) and 6 months postoperatively (T1) at two sites (STTh 1, 1 mm below the gingival margin; STTh 2, 3 mm below the mucogingival margin)...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28298827/sub-epithelial-connective-tissue-graft-for-root-coverage-in-nonsmokers-and-smokers-a-pilot-comparative-clinical-study
#6
Chini Doraswamy Dwarakanath, Bheemavarapu Divya, Gottumukkala Naga Venkata Satya Sruthima, Gautami Subadra Penmetsa
BACKGROUND: Gingival recession is a common condition and is more prevalent in smokers. It is widely believed that root coverage procedures in smokers result in less desirable outcome compared to nonsmokers', and there are few controlled studies in literature to support this finding. Therefore, the purpose of this study was to evaluate and compare the outcome of root coverage with sub-epithelial connective tissue graft (SCTG) in nonsmokers and smokers. MATERIALS AND METHODS: A sample of twenty subjects, 10 nonsmokers and 10 smokers were selected each with at least 1 Miller's Class I or II recession on a single rooted tooth...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28289072/downregulation-of-mir-15a-b-accelerates-fibrotic-remodelling-in-the-type-2-diabetic-human-and-mouse-heart
#7
Shruti Rawal, Pujika Emani Munasinghe, Prashanth Thevakar, Jason Kar Sheng Lew, Gregory T Jones, Michael Ja Willams, Philip Davis, Richard W Bunton, Ivor F Galvin, Patrick Manning, Regis R Lamberts, Rajesh G Katare
AIM: Myocardial fibrosis is a well established cause of increased myocardial stiffness and subsequent diastolic dysfunction in the diabetic heart. The molecular regulators that drive the process of fibrotic events in the diabetic heart are still unknown. We determined the role of the microRNA (miR)-15 family in fibrotic remodelling of the diabetic heart. METHODS AND RESULTS: Right atrial appendage (RAA) and left ventricular (LV) biopsy tissues collected from diabetic and non-diabetic patients undergoing coronary artery bypass graft surgery showed significant downregulation of miR-15a and -15b...
March 13, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28277476/viability-and-biomechanics-of-bare-diced-cartilage-grafts-in-experimental-study
#8
Jun-Lin Liao, Jia Chen, Jia-Qin Xu, Yan Cheng, Hong-Ju Xie, Gu He, Bin He, Ke Cao, Hui-Qing Xie, Jian-Da Zhou
OBJECTIVE: To assess the viability and biomechanics of bare diced cartilage grafts. METHODS: Cartilage samples were collected from 1 ear in 15 rabbits as well as costal cartilage. Each rabbit was inserted bare diced- and single-strip costal-cartilage grafts, respectively, into paraspinal subcutaneous pockets: after euthanasia at 2 months, specimens were weighed, with diced cartilage grafts examined histomorphologically by hematoxylin-eosin staining, masson trichrome staining, and immunohistochemistry...
March 8, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28274882/vacuum-sealing-drainage-as-a-pre-surgical-adjunct-in-the-treatment-of-complex-open-hand-injuries-report-of-17-cases
#9
Xiao-Feng Niu, Jian-Hua Yi, Guo-Qin Zha, Jun Hu, Yun-Jiang Liu, Liang-Bao Xiao
BACKGROUND: Few studies have been conducted to explore the use of the vacuum sealing drainage (VSD) technique in complex hand injuries. The aim of this study was to report outcomes in patients with complex hand injuries receiving VSD as a coadjuvant treatment prior to second-stage surgery. METHODS: This case series study retrospectively reviewed the patients who underwent VSD for treatment of hand injuries. Inclusion criteria for the study were: (1) traumatic soft tissue defects of the hand and wrist, accompanied by different degrees of injury and exposure of bone, tendon, or blood vessel; (2) the wound surface of hand and wrist was seriously contaminated and direct wound closure was not possible; and (3) the soft tissues of hand and wrist were seriously lacerated or avulsed, and showed necrosis or acute infection...
March 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28266119/gingival-recession-and-root-caries-in-the-ageing-population-a-critical-evaluation-of-treatments
#10
Peter A Heasman, Mark Ritchie, Abisola Asuni, Erika Gavillet, Janne L Simonsen, Bente Nyvad
AIM: To review evidence for the treatments of gingival recession and root caries in older populations. MATERIALS & METHODS: A systematic approach was adopted to identify reviews and articles to allow us to evaluate the treatments for gingival recession and root caries. Searches were performed in PubMed, Medline and Embase, the Cochrane trials register and bibliographies of European and World Workshops. OBSERVATIONS: Gingival recession: We identified no articles that focussed specifically on older populations...
March 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28261202/stretching-reduces-skin-thickness-and-improves-subcutaneous-tissue-mobility-in-a-murine-model-of-systemic-sclerosis
#11
Ying Xiong, Lisbeth Berrueta, Katia Urso, Sara Olenich, Igla Muskaj, Gary J Badger, Antonios Aliprantis, Robert Lafyatis, Helene M Langevin
OBJECTIVE: Although physical therapy can help preserve mobility in patients with systemic sclerosis (SSc), stretching has not been used systematically as a treatment to prevent or reverse the disease process. We previously showed in rodent models that stretching promotes the resolution of connective tissue inflammation and reduces new collagen formation after injury. Here, we tested the hypothesis that stretching would impact scleroderma development using a mouse sclerodermatous graft-versus-host disease (sclGvHD) model...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28257218/modified-double-papillae-flap-technique-with-subepithelial-connective-tissue-graft-for-root-coverage-in-the-esthetic-zone-case-report
#12
Gustavo Javier Salazar Littuma, Leonardo Bez, Camilo Andres Villabona Lopez, Cesar Augusto Magalhães Benfatti, Ricardo de Souza Magini
Gingival recession can compromise the esthetic appearance, leading to functional problems, hypersensitivity, and root caries. Several techniques have been implicated for root coverage, which includes pedicle grafts, free gingival grafts, connective tissue grafts, and guided-tissue regeneration. The double-papillae flap associated with subepithelial connective tissue is a predictable technique to cover isolated areas with insufficient attached gingiva apical to a recession. This case report demonstrates a surgical alternative to the technique using a sling periosteal suture to stabilize the connective tissue and pedicle flap during the initial phase of healing, increasing the potential of this periodontal procedure for gingival recession coverage...
March 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28253582/-the-role-of-soft-tissue-transplantation-in-the-reconstruction-of-gingival-papilla
#13
T L Chen, X H Zhang
Black triangle caused by gingival papilla loss is an ordinary clinical problem. Gingival recession and alveolar bone absorption in the area of gingival papilla lead to the increase of the vertical distance from the adjacent contact point to the alveolar ridge. Periodontal soft tissue grafts play a certain role in the gingival papilla reconstruction. This paper reviewed the effects of soft tissue grafts on the reconstruction of gingival papilla loss through following several aspects, summary of gingival papilla loss, gum soft tissue reconstruction, biological and chemical factors influencing gingival papilla reconstruction...
February 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28250241/stimulation-of-ovarian-follicle-growth-following-ampk-inhibition
#14
Xiaowei Lu, Song Guo, Yuan Cheng, Jae-Hong Kim, Yi Feng, Yun Feng
Previous studies showed that the protein kinase B (Akt)-mammalian target of rapamycin (mTOR) and Hippo signaling-Yes associated protein (YAP) pathways play important roles in promoting follicle growth. Additionally, other studies demonstrated that 5' adenosine monophosphate-activated protein kinase (AMPK) is an upstream regulatory element of mTOR and YAP. Here, we used AMPK inhibitor (Compound C) to in vitro culture ovaries from 10-day-old mice followed by in vivo grafting into adult hosts, or to in situ treat ovaries of 3-week-old mice by intrabursal injection followed by gonadotropin stimulation...
March 1, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28248041/-urinary-bladder-substitution-using-combined-membrane-based-on-secretions-of-human-mesenchymal-stem-cells-and-type-i-collagen
#15
V I Kirpatovckii, D M Kamalov, A Yu Efimenko, P I Makarevich, G D Sagaradze, O A Makarevich, P P Nimiritskii, E O Osidak, S P Domogatskii, V K Karpov, Z H A Akopyan, V A Tkachuk, A A Kamalov
AIM: Despite the widespread use of intestinal cystoplasty, urinary bladder substitution remains a challenging problem due to the complexity of operations and the potentially high risk of complications. A promising alternative may be bio-engineered collagen-based matrices containing stem cells or their secretions. MATERIAL AND METHODS: To evaluate the effectiveness of this bladder substitution modality, an experiment was conducted on 14 male rabbits. The animals underwent resection of urinary bladder, and the formed defect was substituted with a membrane of type I collagen (series 1, 5 rabbits) or a membrane of the same composition containing a conditioned medium with secretion of mesenchymal stem/stromal cells derived from human adipose tissue (series 2, 5 rabbits)...
December 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28231619/connective-tissue-graft-and-tunnel-or-trapezoidal-flap-for-the-treatment-of-single-maxillary-gingival-recessions-a-randomized-clinical-trial
#16
Mauro Pedrine Santamaria, Felipe Lucas da Silva Neves, Camila Augusto Silveira, Ingrid Fernandes Mathias, Stephanie Botti Fernandes-Dias, Maria Aparecida Neves Jardini, Dimitris N Tatakis
BACKGROUND: Although ample evidence supports connective tissue graft (CTG) use for root coverage, there is need for research on recipient site preparation approaches. The purpose of this study was to compare the outcomes of trapezoidal coronally advanced flap (CAF) and coronally advanced tunnel flap (TUN) when used in conjunction with CTG. METHODS: Forty-two patients presenting 42 single maxillary, Miller Class I and II, gingival recession defects were randomly assigned to receive either CAF+CTG (N=21) or TUN+CTG (N=21)...
February 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28231347/histomorphometric-results-after-postextraction-socket-healing-with-different-biomaterials-a-systematic-review-of-the-literature-and-meta-analysis
#17
Stefano Corbella, Silvio Taschieri, Luca Francetti, Roberto Weinstein, Massimo Del Fabbro
PURPOSE: The aim of this systematic review was to investigate which material is the most effective bone substitute for alveolar bone healing by evaluating histomorphometric outcomes after healing of postextraction sockets in humans. MATERIALS AND METHODS: A manual and electronic search (PubMed, EMBASE, Cochrane Library) was performed using a search string prepared ad hoc. Data were statistically analyzed by calculating weighted mean percentage of new bone formation (primary outcome) and weighted mean percentage of residual biomaterial, soft/connective tissue, and nonmineralized tissue (secondary outcomes) in the biopsies...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28220742/calcific-uraemic-arteriolopathy-calciphylaxis-in-patients-on-renal-replacement-therapy
#18
S Sebastian, H F Jordaan, J W Schneider, M R Moosa, M R Davids
BACKGROUND: Calcific uraemic arteriolopathy (calciphylaxis) is an unusual and potentially fatal condition characterised by small-vessel calcification and ischaemic skin necrosis. It mainly affects patients with end-stage renal disease (ESRD) on haemodialysis, but may rarely occur in the absence of ESRD in conditions such as primary hyperparathyroidism, malignancy, alcoholic liver disease and connective tissue disease. METHODS: We reviewed the records of all patients diagnosed with calciphylaxis while on renal replacement therapy at Tygerberg Hospital, Cape Town, South Africa, between 1990 and 2014, to describe its presentation, course and final outcome...
January 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28214498/vasculitic-and-autoimmune-wounds
#19
REVIEW
Victoria K Shanmugam, Divya Angra, Hamza Rahimi, Sean McNish
OBJECTIVE: Chronic wounds are a major cause of morbidity and mortality. Approximately 20% to 23% of nonhealing wounds that are refractory to vascular intervention have other causes, including vasculitis, pyoderma gangrenosum, and other autoimmune diseases. The purpose of this article was to review the literature across medical and surgical specialties with regard to refractory chronic wounds associated with vasculitis and autoimmune diseases and to delineate clinical outcomes of these wounds in response to vascular and other interventions...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28209380/space-maintaining-management-in-maxillary-sinus-lifting-a-novel-technique-using-a-resorbable-polymeric-thermo-reversible-gel
#20
G Cossellu, G Farronato, D Farronato, G Ceschel, F Angiero
Several techniques have been proposed to achieve sinus floor elevation and the formation of new bone through the grafting of autologous, heterologous, or alloplastic materials. The grafted materials act as a scaffold for bone formation inside the maxillary sinus. This study investigated a non-graft sinus lifting procedure using a resorbable polymeric thermo-reversible gel. A space-maintaining approach to sinus lifting, using a resorbable polymeric thermo-reversible gel, was applied in 11 patients undergoing implant treatment in the atrophic posterior maxilla...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
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