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Soft tissue augmentation

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https://www.readbyqxmd.com/read/28107560/randomized-controlled-clinical-study-comparing-a-volume-stable-collagen-matrix-to-autogenous-connective-tissue-grafts-for-soft-tissue-augmentation-at-implant-sites-linear-volumetric-soft-tissue-changes-up-to-3-months
#1
Marco Zeltner, Ronald E Jung, Christoph H F Hämmerle, Jürg Hüsler, Daniel S Thoma
AIM: to test whether or not the use of a volume stable collagen matrix (VCMX) results in soft tissue volume increase at implant sites non-inferior to an autogenous subepithelial connective tissue graft (SCTG). METHODS: In 20 patients soft tissue augmentation at implant sites was performed using VCMX or SCTG. Casts obtained prior to augmentation (BL), at 30 (FU-30) and 90 days (FU-90) were digitized and transferred to stereolithography (STL) files. BL, FU-30 and FU-90 STL files were superimposed and linear volumetric changes evaluated in crestal and buccal regions of interest (ROI)...
January 20, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28106629/heat-shock-protein-70-overexpression-in-adipose-derived-stem-cells-enhances-fat-graft-survival
#2
Hao Feng, Lihong Qiu, Teng Zhang, Houyou Yu, Xianjie Ma, Yingjun Su, Hui Zheng, Yong Wang, Chenggang Yi
BACKGROUND: Autologous fat grafting is a prevalent technique used for soft-tissue augmentation; however, the poor survival rate of the grafted tissue remains a drawback of this method. Although adipose-derived stem cells (ASCs) are an attractive candidate for enhancing graft retention, the poor posttransplantation viability of these cells limits their application. Here we investigated whether overexpression of the antiapoptotic protein heat-shock protein 70 (Hsp70) could enhance ASCs' therapeutic potential for fat transplant survival...
January 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28094850/discriminating-solitary-cysts-from-soft-tissue-lesions-in-mammography-using-a-pretrained-deep-convolutional-neural-network
#3
Thijs Kooi, Bram van Ginneken, Nico Karssemeijer, Ard den Heeten
PURPOSE: It is estimated that 7% of women in the western world will develop palpable breast cysts in their lifetime. Even though cysts have been correlated with risk of developing breast cancer, many of them are benign and do not require follow-up. We develop a method to discriminate benign solitary cysts from malignant masses in digital mammography. We think a system like this can have merit in the clinic as a decision aid or complementary to specialised modalities. METHODS: We employ a deep Convolutional Neural Network (CNN) to classify cyst and mass patches...
January 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28035307/long-standing-chin-augmenting-costochondral-graft-creating-a-diagnostic-challenge-a-case-report-and-literature-review
#4
Fatma Fayez Badr, Mark Mintline, Axel Ruprecht, Donald Cohen, Barton R Blumberg, Madhu K Nair
To our knowledge, the imaging features of costochondral grafts (CCGs) on cone-beam computed tomography (CBCT) have not been documented in the literature. We present the case of a CCG in the facial soft tissue to the anterior mandible, with changes mimicking a cartilaginous neoplasm. This is the first report to describe the CBCT imaging features of a long-standing graft in the anterior mandible. Implants or grafts may be incidental findings on radiographic images made for unrelated purposes. Although most are well-defined and radiographically homogeneous, being of relatively inert non-biological material, immune reactions to some grafts may stimulate alterations in the appearance of surrounding tissues...
December 2016: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28032168/the-efficacy-and-safety-of-ha-idf-plus-with-lidocaine-versus-ha-idf-without-lidocaine-in-nasolabial-folds-injection-a-randomized-multicenter-double-blind-split-face-study
#5
Jong-Hoon Lee, Seok-Hwan Kim, Eun-Soo Park
BACKGROUND: Injection-related pain of dermal fillers is a consistent and bothersome problem for patients undergoing soft tissue augmentation. Reducing the pain could improve overall patient satisfaction. OBJECTIVE: The purpose of this study was to compare the pain relief, efficacy, and safety of HA IDF plus containing lidocaine with HA IDF without lidocaine during correction of nasolabial folds (NLFs). METHODS: Sixty-two subjects were enrolled in a randomized, multicenter, double-blind, split-face study of HA IDF plus and HA IDF for NLF correction...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28032167/facing-the-worst-risk-confronting-the-dorsal-nasal-artery-implication-for-non-surgical-procedures-of-nasal-augmentation
#6
Tanvaa Tansatit, Prawit Apinuntrum, Thavorn Phetudom
BACKGROUND: The nose is a dangerous site for filler injection. This study investigated the anatomy of the dorsal nasal artery at the upper part of the nose to clarify how ocular complications occur. METHODS: Dissections were performed in 50 noses of the embalmed cadavers. Either the soft embalming or formaldehyde embalming processes were used. RESULTS: The dorsal nasal artery is not a constant artery. The artery traveled in the subcutaneous tissue layer of the nasal dorsum on the transverse nasalis muscle and its midline nasal aponeurosis which connected the muscles on both sides...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28005400/does-allograft-augmentation-of-small-diameter-hamstring-autograft-acl-grafts-reduce-the-incidence-of-graft-retear
#7
Andrew T Pennock, Brian Ho, Kristina Parvanta, Eric W Edmonds, Henry G Chambers, Joanna H Roocroft, Tracey P Bastrom
BACKGROUND: Small-diameter hamstring tendons are frequently encountered during anterior cruciate ligament (ACL) reconstructions in patients with short stature or those who are skeletally immature. The role of augmenting these small-diameter autografts with allograft is unclear. PURPOSE: To assess clinical outcomes and failure rates in adolescent patients with small hamstring tendon autografts (<7 mm) that were either augmented with soft tissue allograft or accepted "as is" and not augmented...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28000282/coverage-of-mucosal-recessions-at-dental-implants
#8
REVIEW
Anton Sculean, Vivianne Chappuis, Raluca Cosgarea
Facial peri-implant mucosal recessions represent an increasing complication in implant dentistry and may negatively affect the esthetic outcome and patient satisfaction. The aim of the present paper is to provide a review on the potential causes of facial peri-implant mucosal recessions and to provide a rationale for treatment along with possible treatment options. The available data indicate that soft tissue augmentation around dental implants is possible, but at present there is no evidence demonstrating that the augmented soft tissues are able to influence the peri-implant bone levels (e...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27990692/a-multicenter-randomized-controlled-clinical-trial-using-a-new-resorbable-non-cross-linked-collagen-membrane-for-guided-bone-regeneration-at-dehisced-single-implant-sites-interim-results-of-a-bone-augmentation-procedure
#9
Bastian Wessing, Istvan Urban, Eduardo Montero, Werner Zechner, Markus Hof, Javier Alández Chamorro, Nuria Alández Martin, Giovanni Polizzi, Silvio Meloni, Mariano Sanz
OBJECTIVE: To compare clinical performance of a new resorbable non-cross-linked collagen membrane, creos xenoprotect (CXP), with a reference membrane (BG) for guided bone regeneration at dehisced implant sites. MATERIALS AND METHODS: This randomized controlled clinical trial enrolled patients with expected dehiscence defects following implant placement to restore single teeth in the maxillary and mandibular esthetic zone and premolar area. Implants were placed using a two-stage surgical protocol with delayed loading...
December 18, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27987520/-dental-implantation-and-soft-tissue-augmentation-after-ridge-preservation-in-a-molar-site-a-case-report
#10
L P Zhao, Y L Zhan, W J Hu, H J Wang, Y P Wei, M Zhen, T Xu, Y S Liu
For ideal implant rehabilitation, an adequate bone volume, optical implant position, and stable and healthy soft tissue are required. The reduction of alveolar bone and changes in its morphology subsequent to tooth extraction will result in insufficient amount of bone and adversely affect the ability to optimally place dental implants in edentulous sites. Preservation of alveolar bone volume through ridge preservation has been demonstrated to reduce the vertical and horizontal contraction of the alveolar bone crest after tooth extraction and reduce the need for additional bone augmentation procedures during implant placement...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27977824/soft-tissue-closure-of-grafted-extraction-sockets-in-the-anterior-maxilla-a-modified-palatal-pedicle-connective-tissue-flap-technique
#11
Edgard El Chaar, Sarah Oshman, Giuseppe Cicero, Alejandro Castano, Cinzia Dinoi, Leila Soltani, Yoonjung Nicole Lee
Localized ridge resorption, the consequence of socket collapse, following tooth extraction in the anterior maxilla can adversely affect esthetics, function, and future implant placement. Immediate grafting of extraction sockets may help preserve natural ridge contours, but a lack of available soft tissue can compromise the final esthetic outcome. The presented modified rotated palatal pedicle connective tissue flap is a useful technique for simultaneous soft tissue coverage and augmentation of grafted sockets to improve esthetic outcome...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27922487/breast-augmentation-combining-fat-injection-and-breast-implants-in-patients-with-atrophied-breasts
#12
Burhan Özalp, Mustafa Aydinol
Breast augmentation is a challenging issue in atrophied breasts related to breastfeeding. Here, we describe a modification combining breast implants and fat grafting to obtain a successful outcome without implant edge visibility and palpability.Thirty-four women with atrophied breasts underwent breast augmentation over a 6-year period. The breast implants were placed in the subglandular plane to obtain optimal filling and expansion of atrophied breast tissue. Autologous fat grafting was performed above the inframammary sulcus to prevent implant visibility and palpability due to insufficient soft tissue coverage...
December 2, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27921032/the-collection-of-adipose-derived-stem-cells-using-water-jet-assisted-lipoplasty-for-their-use-in-plastic-and-reconstructive-surgery-a-preliminary-study
#13
Valeria Purpura, Elena Bondioli, Davide Melandri, Pier C Parodi, Luca Valenti, Michele Riccio
The graft of autologous fat for the augmentation of soft tissue is a common practice frequently used in the field of plastic and reconstructive surgery. In addition, the presence of adipose derived stem cells (ASCs) in adipose tissue stimulates the regeneration of tissue in which it is applied after the autologous fat grafting improving the final clinical results. Due to these characteristics, there is an increasing interest in the use of ASCs for the treatment of several clinical conditions. As a consequence, the use of clean room environment is required for the production of cell-based therapies...
2016: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/27915981/molecular-cellular-and-pharmaceutical-aspects-of-autologous-grafts-for-peri-implant-hard-and-soft-tissue-defects
#14
Jiayu Lu, Yongming Hao, Wei Zhao, Chengqi Lv, Derong Zou
The lack of supporting hard and soft tissues always prevents the rehabilitation with dental implants. Among various hard and soft tissue augmentation procedures, autologous grafts have been considered to be the gold standard. Autologous mesenchymal stem cells (MSCs) from bone marrow, dental tissue and adipose tissue have been described as promising alternatives for bone regeneration in the field of dental implantation. Mucosal cells, gingival fibroblasts and dental progenitor cells (DPS) can enhance peri-implant soft tissue augmentation and regenerate periodontal tissues around dental implants...
December 1, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27908574/reconstruction-of-a-post-traumatic-maxillary-ridge-using-a-radial-forearm-free-flap-and-immediate-tissue-engineering-bone-morphogenetic-protein-bone-marrow-aspirate-concentrate-and-cortical-cancellous-bone-case-report
#15
James C Melville, Ramzey Tursun, J Marshall Green, Robert E Marx
The purpose of this article is to describe reconstruction of the maxillary alveolar ridge by use of a microvascular free flap combined with an immediate tissue-engineered bone graft. This novel surgical technique involved the use of a radial forearm free flap and immediate allogeneic avascular bone graft augmented with bone morphogenetic protein and bone marrow aspirate concentrate. A poly-d,l-lactic acid mesh was used a containment unit for the bone graft. The patient was successfully treated with a viable radial forearm free flap for soft tissue and regeneration of bone with adequate height and width, which allowed the placement of 3 dental implants with excellent arch coordination...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27896212/effect-of-slow-forced-eruption-on-the-vertical-levels-of-the-interproximal-bone-and-papilla-and-the-width-of-the-alveolar-ridge
#16
Eun-Young Kwon, Ju-Youn Lee, Jeomil Choi
OBJECTIVE: Forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. The aim of this study was to examine the changes in the alveolar ridge width and the vertical levels of the interproximal bone and papilla following forced eruption. METHODS: Patients whose hopeless maxillary anterior teeth were expected to undergo severe bone resorption and soft tissue recession upon extraction were recruited. In addition, patients whose maxillary anterior teeth required forced eruption for restoration due to tooth fracture or dental caries were included...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27893635/orthognathic-surgery-with-simultaneous-autologous-fat-transfer-for-correction-of-facial-asymmetry
#17
Yu-Ching Wang, Christopher Glenn Wallace, Betty Chien-Jung Pai, Hui-Ling Chen, Yueh-Tse Lee, Yen-Chang Hsiao, Chun-Shin Chang, Yu-Fang Liao, Philip Kuo-Ting Chen, Yu-Ray Chen
BACKGROUND: Most patients treated with orthognathic surgery for facial asymmetry would value improvement in residual soft tissue asymmetry. Autologous fat transfer is widely used to augment facial soft tissue. We assessed the effect of combining orthognathic surgery with autologous fat transfer for treating patients with facial asymmetry. METHODS: In this retrospective study, 15 consecutive adults underwent combined orthognathic surgery and autologous fat transfer between January 2013 and December 2015...
November 21, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27891263/coverage-root-after-removing-peripheral-ossifying-fibroma-5-year-follow-up-case-report
#18
Paulo S G Henriques, Luciana S Okajima, Marcelo P Nunes, Victor A M Montalli
When lesions in soft tissue reach the gingival margin, they can produce aesthetic defects during its permanence and after its removal. Periodontal plastic surgery allows the correction of the gingival contour using different techniques. This paper is a case report of a peripheral ossifying fibroma removal in the interproximal area of teeth 21 and 22 in addition to root coverage of the affected area through two surgical phases: keratinized gingival tissue augmentation surgery with free gingival graft concurrent with removal of the lesion and, in a second stage, root coverage by performing coronally advanced flap technique with a follow-up of five years...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27888928/analytical-prediction-of-sub-surface-thermal-history-in-translucent-tissue-phantoms-during-plasmonic-photo-thermotherapy-pptt
#19
Purbarun Dhar, Anup Paul, Arunn Narasimhan, Sarit K Das
Knowledge of thermal history and/or distribution in biological tissues during laser based hyperthermia is essential to achieve necrosis of tumour/carcinoma cells. A semi-analytical model to predict sub-surface thermal distribution in translucent, soft, tissue mimics has been proposed. The model can accurately predict the spatio-temporal temperature variations along depth and the anomalous thermal behaviour in such media, viz. occurrence of sub-surface temperature peaks. Based on optical and thermal properties, the augmented temperature and shift of the peak positions in case of gold nanostructure mediated tissue phantom hyperthermia can be predicted...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27882130/the-use-of-expanded-polytetrafluoroethylene-in-depressed-deformities-of-the-face
#20
Xiaowei Liu, Yiming Zhang, Shaoliang Wang, Zeyuan Lei, Xiang Li, Dongli Fan
Expanded polytetrafluoroethylene (ePTFE) has been extensively used for facial soft tissue augmentation procedures, and is regarded as safe and reliable and suitable as a permanent implant. This implant is generally used in the lower third of the face for lips filling, nasal augmentation, nasolabial folds and chin augmentation, and rarely for congenital or acquired depressed deformities of the face. The aim of the present study was to assess the effects of ePTFE in congenital or acquired depressed deformities of the face...
November 2016: Experimental and Therapeutic Medicine
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