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Root coverage

Mauro Pedrine Santamaria, Camila Augusto Silveira, Ingrid Fernandes Mathias, Felipe Lucas da Silva Neves, Lúcio Murilo Dos Santos, Maria Aparecida Neves Jardini, Dimitris N Tatakis, Enilson Antônio Sallum, Eduardo Bresciani
BACKGROUND: Gingival recession is frequently associated with non-carious cervical lesion (NCCL) forming a combined defect (CD). The aim of this study was to evaluate a new multidisciplinary protocol for CDs. METHODS: Forty patients presenting 40 Miller's Class I or II gingival recession defects associated with B+ tooth cervical defect were randomly allocated to one of the following treatments: Test Group (n=20), partial restoration of the NCCL, in which the apical border of the restoration was placed 1mm beyond the cement-enamel junction estimation, and connective tissue graft (CTG+PR) and Control Group (n=20), odontoplasty of the NCCL and connective tissue graft (CTG)...
April 22, 2018: Journal of Clinical Periodontology
Michel Ruiz Rosquete, Sascha Waidmann, Jürgen Kleine-Vehn
Directional growth of lateral roots is critical for radial expansion and soil coverage. Despite its importance, almost nothing is known about its molecular determinants. Initially, young lateral roots (LRs) grow away from the parental root, maintaining the angle acquired shortly after emergence. A second downwards bending response to gravity terminates the so-called plateau phase and thereby limits radial root expansion. Here, we show that the exit from the plateau phase correlates with an increase in auxin signalling at the tip of the LRs...
April 19, 2018: International Journal of Molecular Sciences
A W K Yeung, N S M Wong, M M Bornstein, Y Y Leung
This prospective study in patients with a follow-up of 4-8.5years aimed to describe the long-term, three-dimensional changes of coronectomized lower third molar roots. Pre- and postoperative cone beam computed tomography (CBCT) scans were compared. The distance of root migration, the direction of root translation and rotation, and the amount of bone regeneration at the adjacent second molar and superficially to the third molar root were recorded. Age, gender, time elapsed following surgery, the status of the retained root including, impaction pattern and depth of impaction were tested to check if they were influencing factors for the above outcomes...
April 4, 2018: International Journal of Oral and Maxillofacial Surgery
Sarah Grace George, Anil Kumar Kanakamedala, Jaideep Mahendra, Nashra Kareem, Little Mahendra, Jeethu John Jerry
AIM: The aim of the present study was to compare the treatment of gingival recession defects using a coronally-advanced flap procedure with or without placental membrane. METHODS: Sixty teeth in 15 patients with single and multiple Miller's class I and II gingival recession defects bilaterally in the anterior and premolar region of the maxilla and mandible were divided into two groups. In group I (control), 30 recession defects were treated with coronally-advanced flap alone using Zucchelli's technique...
April 1, 2018: Journal of Investigative and Clinical Dentistry
Zohaib Akram, Fahim Vohra, Fawad Javed
OBJECTIVE: The aim of this study was to systematically evaluate the effectiveness of low level laser therapy (LLLT) as an adjunct to connective tissue graft (CTG) procedure for the treatment of gingival recession (GR). MATERIALS AND METHODS: The addressed PICO question was; "In patients with Miller Class I or II recession defects (Population), what is the effect of LLLT as adjunct to CTG (Intervention) in comparison to CTG alone (Comparison) on gingival recession depth (Outcome)" Electronic databases were searched up to December 2017...
March 26, 2018: Journal of Esthetic and Restorative Dentistry
Zhen Zeng, Hui Sun, Eeva J Vainio, Tommaso Raffaello, Andriy Kovalchuk, Emmanuelle Morin, Sébastien Duplessis, Fred O Asiegbu
BACKGROUND: Heterobasidion parviporum is an economically most important fungal forest pathogen in northern Europe, causing root and butt rot disease of Norway spruce (Picea abies (L.) Karst.). The mechanisms underlying the pathogenesis and virulence of this species remain elusive. No reference genome to facilitate functional analysis is available for this species. RESULTS: To better understand the virulence factor at both phenotypic and genomic level, we characterized 15 H...
March 27, 2018: BMC Genomics
Prabhjeet Singh, Sagrika Shukla, Kuldeep Singh
A patient undergoing orthodontic treatment presented with multiple recession defects in maxillary anterior region. After thorough clinical examination and assessment, measurements were recorded. Maxillary anterior teeth with recession defects of 3-4 mm were treated with coronally advanced flap and platelet-rich fibrin (PRF) membrane. Regular follow-up was maintained for the patient at 3, 6 , 12, 18, 24, 30, and 36 months. After 36 months, significant root coverage of 100 percent was observed in four defects and 50% coverage in one defect...
January 2018: Journal of Indian Society of Periodontology
Nashra Kareem, Jaideep Mahendra, Kanakamedala Anil Kumar
Several surgical techniques including pedicle flaps and free soft-tissue grafts have been indicated for the treatment of gingival recession defects with different success rates. Localized gingival recessions can be managed with various root coverage procedures, more specifically, using the coronally advanced flap with distinct designs. Predictable and consistent periodontal plastic surgical results can be achieved by using microsurgical instruments. Periodontal microsurgery involves the use of magnifying devices, microsurgical instruments, and materials in existing basic surgical techniques...
January 2018: Journal of Indian Society of Periodontology
Sudheer Ramireddy, Jaideep Mahendra, Vijayalakshmi Rajaram, Geetha Ari, Anil Kumar Kanakamedala, Dhanadivya Krishnakumar
Aims: The aim of this study is to compare the outcome of coronally advanced flap (CAF) along with the use of platelet-rich fibrin (PRF) versus CAF in conjunction with a resin-modified glass-ionomer cement (RmGIC) for the management of Millers Class I and Class II gingival recession coupled with noncarious cervical lesions (NCCLs). Materials and Methods: Single and multiple Miller's Class I and Class II gingival recessions were chosen for the study. Twenty participants with total of 78 sites associated with NCCL bilaterally in the anterior and premolar region of maxilla were selected...
January 2018: Journal of Indian Society of Periodontology
Saravanan Sampoornam Pape Reddy
The field of periodontal plastic surgery is always a subject of fascination for periodontists, and the importance of pink esthetics is gaining its pace. Preservation of what is existing is more important than its replacement. The same principle also applies to soft-tissue esthetic procedures thereby the concept of minimal surgical invasion came into existence. This article presents a series of five cases with 18 recession sites which were treated with a minimally invasive Pinhole Surgical Technique which resulted in overall root coverage of 96...
November 2017: Journal of Indian Society of Periodontology
Sarah Ivy Gallagher, Debora Candace Matthews
Background: The aim of this systematic review was to evaluate whether patients with gingival recession would benefit from an acellular dermal matrix graft (ADMG) in ways that are comparable to the gold standard of the subepithelial connective tissue graft (SCTG). Materials and Methods: A systematic review and meta-analysis comparing ADMG to SCTG for the treatment of Miller Class I and II recession defects was conducted according to PRISMA guidelines. PubMed, Excerpta Medica Database, and Cochrane Central Register of Controlled Trials databases were searched up to March 2016 for controlled trials with minimum 6 months duration...
November 2017: Journal of Indian Society of Periodontology
C J Kuijpers, H P Huinink, N Tomozeiu, S J F Erich, O C G Adan
Due to the increased use of nanoparticles in everyday applications, there is a need for theoretical descriptions of particle transport and attachment in porous media. It should be possible to develop a one dimensional model to describe nanoparticle retention during capillary transport of liquid mixtures in porous media. Water-glycerol-nanoparticle mixtures were prepared and the penetration process in porous Al2 O3 samples of varying pore size is measured using NMR imaging. The liquid and particle front can be measured by utilizing T2 relaxation effects from the paramagnetic nanoparticles...
March 9, 2018: Journal of Colloid and Interface Science
Cole Brokamp, Roman Jandarov, Monir Hossain, Patrick Ryan
The short-term and acute health effects of fine particulate matter less than 2.5 μm (PM2.5 ) have highlighted the need for exposure assessment models with high spatiotemporal resolution. Here, we utilize satellite, meteorologic, atmospheric, and land-use data to train a random forest model capable of accurately predicting daily PM2.5 concentrations at a resolution of 1 × 1 km throughout an urban area encompassing seven counties. Unlike previous models based on aerosol optical density (AOD), we show that the missingness of AOD is an effective predictor of ground-level PM2...
March 14, 2018: Environmental Science & Technology
Paul J Keall, Emma Colvill, Ricky O'Brien, Vincent Caillet, Thomas Eade, Andrew Kneebone, George Hruby, Per R Poulsen, Benjamin Zwan, Peter B Greer, Jeremy Booth
PURPOSE: To report on the primary and secondary outcomes of a prospective clinical trial of electromagnetic-guided multileaf collimator (MLC) tracking radiation therapy for prostate cancer. METHODS AND MATERIALS: Twenty-eight men with prostate cancer were treated with electromagnetic-guided MLC tracking with volumetric modulated arc therapy. A total of 858 fractions were delivered, with the dose per fraction ranging from 2 to 13.75 Gy. The primary outcome was feasibility, with success determined if >95% of fractions were successfully delivered...
February 6, 2018: International Journal of Radiation Oncology, Biology, Physics
Giovan Paolo Pini Prato, Cristina Magnani, Leandro Chambrone
BACKGROUND: Coronally advanced flap (CAF) has been considered as one of the most predictable and versatile root coverage procedures. Thus, the aims of this study are two-fold: 1) to evaluate the long-term outcomes following CAF in the treatment of gingival recession (GR); and 2) to explore the influence of several tooth/patient-related factors on the stability of gingival margin at 5, 10, and 20 years after surgery. METHODS: Ninety-four patients with 97 GR (73 Miller`s Class I and 24 Miller's Class III) were treated with CAF in a private practice between 1984 and 1996...
March 12, 2018: Journal of Periodontology
Hailing Fu, Guangzhu Chen, Nan Bai
Piezoelectric energy harvesting using cantilever-type structures has been extensively investigated due to its potential application in providing power supplies for wireless sensor networks, but the low output power has been a bottleneck for its further commercialization. To improve the power conversion capability, a piezoelectric beam with different electrode coverage ratios is studied theoretically and experimentally in this paper. A distributed-parameter theoretical model is established for a bimorph piezoelectric beam with the consideration of the electrode coverage area...
March 7, 2018: Sensors
Martina Stefanini, Matteo Marzadori, Sofia Aroca, Pietro Felice, Matteo Sangiorgi, Giovanni Zucchelli
The primary indication for treatment of gingival recessions is esthetics. In the last decades, patients have become increasingly more demanding in the esthetic outcome expected. In order to obtain a successful final result, periodontal plastic surgery should provide not only complete root coverage but also perfect blending in terms of color and texture. In the literature, many techniques have been demonstrated to be effective in obtaining complete root coverage, and the selection of one surgical technique over another depends on several factors related to the anatomic characteristics of the defect...
March 4, 2018: Periodontology 2000
Ilham Mounssif, Martina Stefanini, Claudio Mazzotti, Matteo Marzadori, Matteo Sangiorgi, Giovanni Zucchelli
Treatment of buccal gingival recession is performed for esthetic concerns, root sensitivity, root caries and cervical abrasion resulting from incorrect toothbrushing. Over the years, clinicians and researchers have improved surgical techniques to achieve surrogate end points, such as complete root coverage, gingival recession reduction or keratinized tissue increase, ignoring the input from the patient regarding the true indications for treatment. In the past few years there has been an emphasis to include patient-centered outcomes in the evaluation of root-coverage procedures...
March 4, 2018: Periodontology 2000
Feng Wang, Guang-Long Wang, Xi-Lin Hou, Meng-Yao Li, Zhi-Sheng Xu, Ai-Sheng Xiong
Carrot (Daucus carota L.) is one of the most economically important root vegetables in the world, providing numerous nutrients for human health. China is the largest country of carrot production in the world, and 'Kurodagosun' has been a major carrot variety in China. Carrot material used in this study was the inbred line 'DC-27', which was derived by forced selfing from 'Kurodagosun'. To understand the genetic system and plant-specific genes of 'Kurodagosun', we report the draft genome sequence of carrot 'DC-27' assembled using a combination of Roche454 and HiSeq 2000 sequencing technologies to achieve 32-fold genome coverage...
March 1, 2018: Molecular Genetics and Genomics: MGG
D Deepa, K V Arun Kumar
Background: Buccal fat pad (BFP) is a specialized vascular tissue adequately present in buccal space and is close to the maxillary posterior quadrant. The aim of this clinical study was to evaluate the utility of pedicled BFP (PBFP) in the treatment of Class II and III gingival recession. Materials and Methods: Ten systemically healthy patients with age ranging from 35 to 55 years with Class II and Class III gingival recession in the maxillary molars were selected...
January 2018: Dental Research Journal
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