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https://www.readbyqxmd.com/read/28893051/permanent-maxillary-central-incisor-with-dilacerated-crown-and-root-and-c-shaped-root-canal
#1
Vikas Allwani, Mansing Pawar, Ajinkya Pawar, Sayed Abrar, Sangeeta Ambhore
Dilaceration is a rare disturbance in traumatised permanent teeth, which constitutes about 3% of the injuries to developing teeth. It usually occurs as a result of trauma to the deciduous predecessors and results in non axial displacement of the already formed hard tissue portion of the developing crown. Endodontic treatment of such teeth presents a challenge to clinicians, and careful management is required to successfully address the root canal anatomy and other possible variations. The C-shaped canal configuration is most frequently seen in mandibular second molars, but this variation may also occur in mandibular first molars, mandibular third molars, maxillary molars, mandibular first premolars, and even in maxillary lateral incisors, with rare reports of such variations occurring in the maxillary central incisors...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28855758/effect-of-glide-path-preparation-on-apical-extrusion-of-debris-in-root-canals-instrumented-with-three-single-file-systems-an-ex-vivo-comparative-study
#2
Ajinkya M Pawar, Mansing Pawar, Anda Kfir, Bhagyashree Thakur, Pooja Mutha, Kulwinder Singh Banga
AIM: The aim of this study was to test the effect of new protocol of glide path preparation by 20/0.04 rotary file on apical extrusion of debris when instrumenting fine curved mesial canals in mandibular molars with Self-adjusting File (SAF) and compare it to a glide path prepared by 20/0.02 hand K-file and rotary OneShape (OS) and reciprocating WaveOne (WO) file instrumentation. MATERIALS AND METHODS: Sixty mandibular molars with curved mesial roots were selected and randomly divided into three groups (n = 20) for instrumentation...
March 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28855757/canal-transportation-and-centering-ability-of-protaper-and-self-adjusting-file-system-in-long-oval-canals-an-ex-vivo-cone-beam-computed-tomography-analysis
#3
Dipali Yogesh Shah, Swati Ishwara Wadekar, Ashwini Manish Dadpe, Ganesh Ranganath Jadhav, Lalit Jayant Choudhary, Dheeraj Deepak Kalra
CONTEXT AND AIMS: The purpose of this study was to compare and evaluate the shaping ability of ProTaper (PT) and Self-Adjusting File (SAF) system using cone-beam computed tomography (CBCT) to assess their performance in oval-shaped root canals. MATERIALS AND METHODS: Sixty-two mandibular premolars with single oval canals were divided into two experimental groups (n = 31) according to the systems used: Group I - PT and Group II - SAF. Canals were evaluated before and after instrumentation using CBCT to assess centering ratio and canal transportation at three levels...
March 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28761250/apical-extrusion-of-debris-in-four-different-endodontic-instrumentation-systems-a-meta-analysis
#4
J Sylvia Western, Daniel Devaprakash Dicksit
BACKGROUND: All endodontic instrumentation systems tested so far, promote apical extrusion of debris, which is one of the main causes of postoperative pain, flare ups, and delayed healing. OBJECTIVES: Of this meta-analysis was to collect and analyze in vitro studies quantifying apically extruded debris while using Hand ProTaper (manual), ProTaper Universal (rotary), Wave One (reciprocating), and self-adjusting file (SAF; vibratory) endodontic instrumentation systems and to determine methods which produced lesser extrusion of debris apically...
January 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28726019/arabic-translation-cultural-adaptation-and-validation-study-of-knee-outcome-survey-activities-of-daily-living-scale-kos-adls
#5
Abdulrahman D Algarni, Hamza M Alrabai, Abdulaziz Al-Ahaideb, Shaji John Kachanathu, Sulaiman A AlShammari
Knee complaints and their accompanying functional impairments are frequent problems encountered by healthcare practitioners worldwide. Plenty of functional scoring systems were developed and validated to give a relative estimation about the knee function. Despite the wide geographic distribution of Arabic language in the Middle East and North Africa, it is rare to find a validated knee function scale in Arabic. The present study is aimed to translate, validate, and culturally adjust the Knee Outcome Survey: Activities of Daily Living Scale (KOS-ADLS) into Arabic language for future use among Arabic-speaking patients...
July 19, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28704948/sea-ice-detection-based-on-differential-delay-doppler-maps-from-uk-techdemosat-1
#6
Yongchao Zhu, Kegen Yu, Jingui Zou, Jens Wickert
Global Navigation Satellite System (GNSS) signals can be exploited to remotely sense atmosphere and land and ocean surface to retrieve a range of geophysical parameters. This paper proposes two new methods, termed as power-summation of differential Delay-Doppler Maps (PS-D) and pixel-number of differential Delay-Doppler Maps (PN-D), to distinguish between sea ice and sea water using differential Delay-Doppler Maps (dDDMs). PS-D and PN-D make use of power-summation and pixel-number of dDDMs, respectively, to measure the degree of difference between two DDMs so as to determine the transition state (water-water, water-ice, ice-ice and ice-water) and hence ice and water are detected...
July 12, 2017: Sensors
https://www.readbyqxmd.com/read/28671837/activated-lignite-based-super-large-granular-slow-release-fertilizers-improve-apple-tree-growth-synthesis-characterizations-and-laboratory-and-field-evaluations
#7
Yafu Tang, Xinying Wang, Yuechao Yang, Bin Gao, Yongshan Wan, Yuncong C Li, Dongdong Cheng
In this work, lignite, a low-grade coal, was modified using the solid-phase activation method with the aid of a Pd/CeO2 nanoparticle catalyst to improve its pore structure and nutrient absorption. Results indicate that the adsorption ability of the activated lignite to NO3(-), NH4(+), H2PO4(-), and K(+) was significantly higher than that of raw lignite. The activated lignite was successfully combined with the polymeric slow-release fertilizer, which exhibits typical slow-release behavior, to prepare the super large granular activated lignite slow-release fertilizer (SAF)...
July 26, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28667674/micro-ct-assessment-of-the-shaping-ability-of-four-root-canal-instrumentation-systems-in-oval-shaped-canals
#8
M L Zuolo, A A Zaia, F G Belladonna, E J N L Silva, E M Souza, M A Versiani, R T Lopes, G De-Deus
AIM: To compare the shaping ability of four root canal instrumentation systems in oval-shaped canals using micro-computed tomographic analysis. METHODOLOGY: Forty anatomically matched mandibular incisors were scanned and assigned to four groups (n = 10), according to the canal preparation protocol: BioRace, Reciproc, Self-Adjusting File (SAF) and TRUShape systems. After canal instrumentation, the specimens were re-scanned and the registered pre- and postoperative datasets were examined to evaluate the percentages of accumulated hard-tissue debris, untouched canal areas and dentine removed...
July 1, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28643935/efficacy-of-self-adjusting-file-xp-endo-finisher-and-passive-ultrasonic-irrigation-on-the-removal-of-calcium-hydroxide-paste-from-an-artificial-standardized-groove
#9
Anda Kfir, Nuphar Blau-Venezia, Tomer Goldberger, Itzhak Abramovitz, Ronald Wigler
The purpose of this study was to compare the effectiveness of self-adjusting file (SAF), XP-endo finisher (XP), passive ultrasonic irrigation (PUI) and conventional syringe and needle irrigation (SNI) in the removal of Ca(OH)2 from an artificial groove. Eighty mandibular incisors with single oval canals were prepared to size 40/0.04 and split longitudinally. A standardised groove was prepared in the apical third and filled with Ca(OH)2 . The root halves were reassembled and divided into two control groups (n = 4) and four experimental groups (n = 18) according to the removal methods used...
June 23, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/28631824/incidence-of-melanoma-and-keratinocytic-carcinomas-in-patients-evaluated-by-store-and-forward-teledermatology-vs-dermatology-clinic
#10
Malcolm Creighton-Smith, Robert D Murgia, Nellie Konnikov, Adriana Dornelles, Caren Garber, Bichchau T Nguyen
BACKGROUND: It is unclear whether incidence of detected skin cancer in patients evaluated by store-and-forward teledermatology (SAF) vs. face-to-face consultation (F2F) significantly differs, and whether such differences are because of variations in patient demographics, diagnostic accuracy, or both. METHODS: This retrospective cohort study compares patient skin cancer risk profile, pre-post biopsy diagnostic accuracy, and detection rates of any skin cancer, melanoma, and keratinocytic carcinoma between all SAF teledermatology patients and a subset of randomly selected F2F consultations at VA-Boston Healthcare System in 2014...
June 20, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28608053/apical-extrusion-of-debris-during-the-preparation-of-oval-root-canals-a-comparative-study-between-a-full-sequence-saf-system-and-a-rotary-file-system-supplemented-by-xp-endo-finisher-file
#11
Anda Kfir, Rotem Moza-Levi, Moran Herteanu, Amir Weissman, Ronald Wigler
OBJECTIVES: The purpose of this study was to assess the amount of apically extruded debris during the preparation of oval canals with either a rotary file system supplemented by the XP-endo Finisher file or a full-sequence self-adjusting file (SAF) system. MATERIALS AND METHODS: Sixty mandibular incisors were randomly assigned to two groups: group A: stage 1-glide path preparation with Pre-SAF instruments. Stage 2-cleaning and shaping with SAF. Group B: stage 1-glide path preparation with ProGlider file...
June 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28598180/evaluation-of-the-self-adjusting-file-system-saf-for-the-instrumentation-of-primary-molar-root-canals-a-micro-computed-tomographic-study
#12
E Kaya, M Elbay, D Yiğit
AIM: The Self-Adjusting File (SAF) system has been recommended for use in permanent teeth since it offers more conservative and effective root-canal preparation when compared to traditional rotary systems. However, no study had evaluated the usage of SAF in primary teeth. The aim of this study was to evaluate and compare the use of SAF, K file (manual instrumentation) and Profile (traditional rotary instrumentation) systems for primary-tooth root-canal preparation in terms of instrumentation time and amounts of dentin removed using micro-computed tomography (μCT) technology...
June 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28476466/effect-of-protaper-gold-self-adjusting-file-and-xp-endo-shaper-instruments-on-dentinal-microcrack-formation-a-micro-computed-tomographic-study
#13
H Melike Bayram, Emre Bayram, Mert Ocak, Ahmet Demirhan Uygun, Hakan Hamdi Celik
INTRODUCTION: The aim of the present study was to evaluate the frequency of dentinal microcracks observed after root canal preparation with ProTaper Universal (PTU; Dentsply Tulsa Dental Specialties, Tulsa, OK), ProTaper Gold (PTG; Dentsply Tulsa Dental Specialties), Self-Adjusting File (SAF; ReDent Nova, Ra'anana, Israel), and XP-endo Shaper (XP; FKG Dentaire, La Chaux-de-Fonds, Switzerland) instruments using micro-computed tomographic (CT) analysis. METHODS: Forty extracted human mandibular premolars having single-canal and straight root were randomly assigned to 4 experimental groups (n = 10) according to the different nickel-titanium systems used for root canal preparation: PTU, PTG, SAF, and XP...
May 2, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28423156/creation-of-an-internal-teledermatology-store-and-forward-system-in-an-existing-electronic-health-record-a-pilot-study-in-a-safety-net-public-health-and-hospital-system
#14
Zachary A Carter, Shauna Goldman, Kristen Anderson, Xiaxiao Li, Linda S Hynan, Benjamin F Chong, Arturo R Dominguez
Importance: External store-and-forward (SAF) teledermatology systems operate separately from the primary health record and have many limitations, including care fragmentation, inadequate communication among clinicians, and privacy and security concerns, among others. Development of internal SAF workflows within existing electronic health records (EHRs) should be the standard for large health care organizations for delivering high-quality dermatologic care, improving access, and capturing other telemedicine benchmark data...
July 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28220322/serious-fungal-infections-in-the-philippines
#15
M C R Batac, D Denning
The Philippines is a low middle-income, tropical country in Southeast Asia. Infectious diseases remain the main causes of morbidity, including tuberculosis. AIDS/HIV prevalence is still low at <1%, but is rapidly increasing. Fungal disease surveillance has not been done, and its burden has never been estimated. This becomes more important as the population of immunocompromised patients increases, drawn from patients with AIDS, TB, malignancies, and autoimmune diseases requiring chronic steroid use. Using the methodology of the LIFE program ( www...
June 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28216274/micro-computed-tomography-assessment-of-dentinal-micro-cracks-after-root-canal-preparation-with-trushape-and-self-adjusting-file-systems
#16
Mario Luis Zuolo, Gustavo De-Deus, Felipe Gonçalves Belladonna, Emmanuel João Nogueira Leal da Silva, Ricardo Tadeu Lopes, Erick Miranda Souza, Marco Aurélio Versiani, Alexandre Augusto Zaia
INTRODUCTION: The aim of the present study was to evaluate the percentage frequency of dentinal micro-cracks observed after root canal preparation with TRUShape and Self-Adjusting File (SAF) systems by means of micro-computed tomography imaging analysis. A conventional full-sequence rotary system (BioRace) and a single-file reciprocation system (Reciproc) were used as reference techniques for comparison because of their known assertive cutting efficiency. METHODS: Forty anatomically matched mandibular incisors were selected, scanned at a resolution of 14...
April 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28112650/inclusion-of-thin-target-and-source-regions-in-alimentary-and-respiratory-tract-systems-of-mesh-type-icrp-adult-reference-phantoms
#17
Han Sung Kim, Yeon Soo Yeom, Thang Tat Nguyen, Chansoo Choi, Min Cheol Han, Jai Ki Lee, Chan Hyeong Kim, Maria Zankl, Nina Petoussi-Henss, Wesley E Bolch, Choonsik Lee, Rui Qiu, Keith Eckerman, Beom Sun Chung
It is not feasible to define very small or complex organs and tissues in the current voxel-type adult reference computational phantoms of the International Commission on Radiological Protection (ICRP), which limit dose coefficients for weakly penetrating radiations. To address the problem, the ICRP is converting the voxel-type reference phantoms into mesh-type phantoms. In the present study, as a part of the conversion project, the micrometer-thick target and source regions in the alimentary and respiratory tract systems as described in ICRP Publications 100 and 66 were included in the mesh-type ICRP reference adult male and female phantoms...
March 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28052629/pathology-of-non-alcoholic-fatty-liver-disease
#18
REVIEW
Pierre Bedossa
Non-alcoholic fatty liver disease (NAFLD) covers a spectrum of lesions ranging from steatosis (Non-alcoholic Fatty Liver or NAFL) to a complex pattern with hepatocellular injury and inflammation (non-alcoholic steatohepatitis; NASH) in the absence of alcohol intake. However, it is increasingly clear that intermediate patterns may exist. The histopathological evaluation of liver biopsy samples is central in the diagnosis of NAFLD and NASH in the absence of sufficiently accurate non-invasive tests because a precise definition of each group is a key issue...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27970630/development-and-content-validity-of-the-advanced-systemic-mastocytosis-symptom-assessment-form-advsm-saf
#19
Mazar, E Evans, F Taylor, A Patki, O Ojo, R E Lamoureux, H Horny, A Reiter, J Gotlib, A Shields
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27941048/the-association-between-skin-autofluorescence-and-mean-deviation-in-patients-with-open-angle-glaucoma
#20
Noriko Himori, Hiroshi Kunikata, Ryo Kawasaki, Yukihiro Shiga, Kazuko Omodaka, Hidetoshi Takahashi, Toshio Miyata, Toru Nakazawa
BACKGROUND: It has been suggested that local and systemic oxidative stress levels are causal risk factors for glaucoma. AIM: To evaluate the effect of age on the role of systemic oxidative stress in open-angle glaucoma (OAG). METHODS: This study included 502 eyes of 251 Japanese patients with OAG. Systemic oxidative stress was assessed with skin autofluorescence (SAF), an indicator of advanced glycogen end products. We selected the youngest and oldest patients by quartile (≤58 and ≥74 years old, respectively) and determined the univariate correlation between SAF and mean deviation (MD) of the visual field in both eyes of each group...
February 2017: British Journal of Ophthalmology
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