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Root coverage

Luca Francetti, Roberto Weinstein, Silvio Taschieri, Stefano Corbella
Gingival recession can cause an esthetic impairment or dentin hypersensitivity due to root surface exposure to the oral cavity. These conditions may require specific surgical interventions to achieve root coverage. This controlled clinical trial on 20 subjects compared coronally advanced flap (CAF) technique and CAF plus subepithelial connective tissue graft (CTG) for the treatment of single maxillary gingival recession. Recession height (REC) and complete root coverage (CRC) were considered as primary outcomes...
February 16, 2018: International Journal of Periodontics & Restorative Dentistry
Raja Rajeswari S, Tarun Ab Kumar, Triveni M Gowda, Dhoom S Mehta, Arun Kumar
The purpose of the present study was to evaluate the efficacy of the vestibular incision subperiosteal tunnel access (VISTA) technique with collagen membrane, bioactive glass, and platelet-rich fibrin. A total of 22 systemically and periodontally healthy subjects with multiple gingival recession defects (Miller Class I and II) in the maxillary esthetic zone were enrolled in the study. The primary outcome measures were mean root coverage and alteration in gingival thickness. There were no surgical complications; however, one patient reported swelling of the upper lip area on the first postoperative day, which resolved spontaneously...
March 2018: International Journal of Periodontics & Restorative Dentistry
Tom Hilbert, Tilman J Sumpf, Elisabeth Weiland, Jens Frahm, Jean-Philippe Thiran, Reto Meuli, Tobias Kober, Gunnar Krueger
BACKGROUND: Quantitative T 2 measurements are sensitive to intra- and extracellular water accumulation and myelin loss. Therefore, quantitative T 2 promises to be a good biomarker of disease. However, T 2 measurements require long acquisition times. PURPOSE: To accelerate T 2 quantification and subsequent generation of synthetic T 2 -weighted (T 2 -w) image contrast for clinical research and routine. To that end, a recently developed model-based approach for rapid T 2 and M 0 quantification (MARTINI) based on undersampling k-space, was extended by parallel imaging (GRAPPA) to enable high-resolution T 2 mapping with access to T 2 -w images in less than 2 minutes acquisition time for the entire brain...
February 15, 2018: Journal of Magnetic Resonance Imaging: JMRI
Avita Rath, Bennete Aloysius Fernandes, Preena Sidhu, Priyadarshini Ramamurthy
New and innovative surgical techniques are necessary to help the clinician ensure the best results and satisfy patient's expectations. One such periodontal problem that has been challenging to the dental practitioners and impacts the oral health quality of life of patients has been gingival recession. When present anteriorly where esthetics is a major concern, patient centric parameters too become paramount. Root coverage esthetic score (RES) evaluation helps to keep the patient outcomes in mind. This case reports the successful treatment of a wide anterior mucogingival defect using epithelial embossed connective tissue graft which was evaluated for the first time using RES...
May 2017: Journal of Indian Society of Periodontology
Anisha P Yadav, Anita Kulloli, Sharath Shetty, Shruti S Ligade, Santosh S Martande, Meenakshi J Gholkar
The aim of the present systematic review was to analyze the factors that affect the outcome of subepithelial connective tissue graft (SCTG) for managing Miller's class I and class II isolated gingival recession defect. The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines for systematic reviews were used. Quality assessments of selected articles were performed. Data on root surface condition, recession type defect, flap thickness, different flap designs, different harvesting techniques, presence/absence of the epithelial collar, graft thickness, flap tension, suturing techniques, and smoking-related outcomes on root coverage were assessed...
February 9, 2018: Journal of Investigative and Clinical Dentistry
So-Eun Han, Yeseul Eom, Kap Sung Oh
OBJECTIVE: Auricular elevation with superficial temporal fascia and skin graft is widely used in microtia reconstruction using costal cartilage. However, in some patients, there has been occurrence of contraction of skin graft, which led to insufficient projection of the elevated auricle and diminished auriculocephalic angle with unfavorable long-term results. In this article, the authors introduce their multiple triangular flaps with zigzag incision to maintain stable projection and natural retroauricular sulcus appearance in auricular reconstruction patients...
February 6, 2018: Journal of Craniofacial Surgery
Robin Kaltenbach, Dörte Diehl, Gabriele E Schaumann
Soil water repellency originating from organic coatings plays a crucial role for soil hydraulics and plant water uptake. Focussing on hydrophobicity in the rhizosphere induced by root-mucilage, this study aims to explore the link between macroscopic wettability and nano-microscopic surface properties. The existing knowledge of the nanostructures of organic soil compounds and its effect on wettability is limited by the lack of a method capable to assess the natural spatial heterogeneity of physical and chemical properties...
January 30, 2018: Journal of Colloid and Interface Science
Ruixi Zhou, Wei Huang, Yang Yang, Xiao Chen, Daniel S Weller, Christopher M Kramer, Sebastian Kozerke, Michael Salerno
BACKGROUND: Cardiovascular magnetic resonance (CMR) stress perfusion imaging provides important diagnostic and prognostic information in coronary artery disease (CAD). Current clinical sequences have limited temporal and/or spatial resolution, and incomplete heart coverage. Techniques such as k-t principal component analysis (PCA) or k-t sparcity and low rank structure (SLR), which rely on the high degree of spatiotemporal correlation in first-pass perfusion data, can significantly accelerate image acquisition mitigating these problems...
February 1, 2018: Journal of Cardiovascular Magnetic Resonance
Jing Yan, Jie Zhang, Qian Zhang, Xinlu Zhang, Kui Ji
Various flap graft techniques in the treatment of gingival recession have already been reported in the literatures for root coverage. Laser therapy has effects of ablative, hemostatic, and decontamination. Therefore, we performed a meta-analysis of randomized controlled trials (RCTs) to compare the efficacy of flap surgery combined with laser with surgery alone for treating gingival recession. The studies were searched from PubMed, Embase, Web of science, and the Cochrane Central Register of Controlled Trials by two reviewers up to August 2017...
January 27, 2018: Lasers in Medical Science
Weiguang Yao, Matthew J Krasin, Jonathan B Farr, Thomas E Merchant
PURPOSE: Proton dose coverage is sensitive to proton beam range. The current practice of CT number-based registration for patient positioning focuses on matching the target and is not sufficient for proton therapy because the proton range depends on the medium traversed by the beam. Patient body deformations and anatomical changes result in range deviation in the target. We propose proton range-based registration to minimize the range deviation. METHODS: The range was calculated from cone beam-computed tomography (CBCT) of the patient on couch, and the range deviation was the difference of the calculated range from that on the initial (day 1) CBCT...
January 23, 2018: Medical Physics
Ibtisam Al-Harrasi, Rashid Al-Yahyai, Mahmoud W Yaish
As a salt-adaptive plant, the date palm (Phoenix dactylifera L.) requires a suitable mechanism to adapt to the stress of saline soils. There is growing evidence that DNA methylation plays an important role in regulating gene expression in response to abiotic stresses, including salinity. Thus, the present study sought to examine the differential methylation status that occurs in the date palm genome when plants are exposed to salinity, and to identify salinity responsive genes that are regulated by DNA methylation...
2018: PloS One
Diego Luis González, Alberto Pimpinelli, T L Einstein
We study the effect of hindered aggregation on the island formation process in a one- (1D) and two-dimensional (2D) point-island model for epitaxial growth with arbitrary critical nucleus size i. In our model, the attachment of monomers to preexisting islands is hindered by an additional attachment barrier, characterized by length l_{a}. For l_{a}=0 the islands behave as perfect sinks while for l_{a}→∞ they behave as reflecting boundaries. For intermediate values of l_{a}, the system exhibits a crossover between two different kinds of processes, diffusion-limited aggregation and attachment-limited aggregation...
July 2017: Physical Review. E
Erjia Mao
The field of periodontics has become increasingly discussed and advanced in recent decades. The techniques of periodontal soft tissue grafts are among these advancements. The techniques have been used more and more clinically not only in periodontics, but also in the areas of dental implantology, aesthetics, and orthodontics. In this article, we discuss the clinical indications and the advantages and disadvantages of several autogenous tissue grafts (e.g. pedical grafts, free gingival graft, and subepithelial connective tissue graft)...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
Austin Dodge, Jeffrey Garcia, Paul Luepke, Yu-Lin Lai, Moawia Kassab, Guo-Hao Lin
The aim of this systematic review was to compare the root-coverage outcomes of using a partially exposed connective tissue graft (CTG) technique with a fully covered CTG technique for root coverage. An electronic search up to February 28th , 2017, was performed to identify human clinical studies with data comparing outcomes of root coverage using CTG, with and without a partially exposed graft. Five clinical studies were selected for inclusion in this review. For each study, the gain of keratinized gingiva, reduction of recession depth, number of surgical sites achieving complete root coverage, percentage of root coverage, gain of tissue thickness, and changes of probing depth and clinical attachment level were recorded...
January 12, 2018: European Journal of Oral Sciences
Márcio Eduardo Vieira Falabella, Flávio Ferreira Nascimento Alvarenga, Kelly Barbosa Torquato Segalla, Silvana Rosa Lima Adão, Denise Gomes Silva, Carina Maciel Silva-Boghossian
Gingival recession is a common clinical condition that creates unfavorable esthetics and dentinal hypersensitivity. Treatment of gingival recession aims to create or increase keratinized tissue and provide root coverage. The aim of this article is to present 2 clinical cases of severe Miller Class II gingival recession with absence of keratinized tissue. Each patient was treated with a free gingival graft associated with a coronally positioned flap. Follow-up indicated that the use of the free gingival graft was effective in increasing keratinized tissue and in covering the recession in a satisfactory manner...
January 2018: General Dentistry
Petr Triska, Nikolay Chekanov, Vadim Stepanov, Elza K Khusnutdinova, Ganesh Prasad Arun Kumar, Vita Akhmetova, Konstantin Babalyan, Eugenia Boulygina, Vladimir Kharkov, Marina Gubina, Irina Khidiyatova, Irina Khitrinskaya, Ekaterina E Khrameeva, Rita Khusainova, Natalia Konovalova, Sergey Litvinov, Andrey Marusin, Alexandr M Mazur, Valery Puzyrev, Dinara Ivanoshchuk, Maria Spiridonova, Anton Teslyuk, Svetlana Tsygankova, Martin Triska, Natalya Trofimova, Edward Vajda, Oleg Balanovsky, Ancha Baranova, Konstantin Skryabin, Tatiana V Tatarinova, Egor Prokhortchouk
BACKGROUND: The history of human populations occupying the plains and mountain ridges separating Europe from Asia has been eventful, as these natural obstacles were crossed westward by multiple waves of Turkic and Uralic-speaking migrants as well as eastward by Europeans. Unfortunately, the material records of history of this region are not dense enough to reconstruct details of population history. These considerations stimulate growing interest to obtain a genetic picture of the demographic history of migrations and admixture in Northern Eurasia...
December 28, 2017: BMC Genetics
Martina Stefanini, Giovanni Zucchelli, Matteo Marzadori, Massimo de Sanctis
The aim of this study was to evaluate the short- (1 year) and longer-term (3 years) effectiveness of a surgical procedure combining coronally advanced flap (CAF) with site-specific application of connective tissue graft (CTG) in the treatment of multiple gingival recessions (MGR). A total of 60 periodontally healthy subjects with esthetic complaints due to excessive tooth length presenting multiple (at least three) Miller Class I and II gingival recession defects (≥ 1 mm) affecting adjacent teeth in the maxilla and mandible were enrolled in the study...
January 2018: International Journal of Periodontics & Restorative Dentistry
Kandace Yee, Pradeep Bhagavatula, Sheila Stover, Frederick Eichmiller, Lance Hashimoto, Scott MacDonald, Gordon Barkley
INTRODUCTION: The objective of this study was to determine the effect of delayed placement of the core/post and crown on the outcomes of nonsurgical root canal therapy (NSRCT). METHODS: According to the Delta Dental of Wisconsin claims database, 160,040 NSRCTs were completed with a core/post and a crown placed before the end of the continuous coverage period or occurrence of an untoward event. Untoward events were defined as a retreatment, apicoectomy, or extraction as defined by the Code on Dental Procedures and Nomenclature...
December 8, 2017: Journal of Endodontics
David H Muljono
Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections pose serious problems in terms of public health and clinical intervention in a country with approximately 250 million people, who live in more than 17,000 islands. Efforts to combat HBV and HCV have been made through the implementation of universal infant hepatitis B immunization, blood screening, and other health promotion actions, and building epidemiological data to develop intervention strategies. A nationwide study in 2013 revealed hepatitis B surface antigen (HBsAg) prevalence of 7...
January 2017: Euroasian Journal of Hepato-Gastroenterology
Stephen W Pan, Hiu Ha Chong, Hui-Chuan Kao
INTRODUCTION: Indigenous communities in Taiwan shoulder a disproportionate burden of unintentional injury fatalities. We compare unintentional injury mortality rate trends among Taiwan's indigenous communities and the general population from 2002 to 2013, and evaluate potential impact of a community-based injury prevention programme on indigenous unintentional injury death rates. METHODS: Standardised and crude unintentional injury mortality rates were obtained from Taiwan government reports...
November 27, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
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