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fissure sealant

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https://www.readbyqxmd.com/read/27900529/effectiveness-of-pit-and-fissure-sealants-bonded-with-different-adhesive-systems-a-prospective-randomized-controlled-trial
#1
Gizem Erbas Unverdi, Stephan Atilla Atac, Zafer Cavit Cehreli
OBJECTIVES: To evaluate and compare the clinical retention of a resin-based fissure sealant placed with an intermediate layer of etch-and-rinse (ER) or self-etch (SE) adhesives. MATERIALS AND METHODS: Two hundred twenty-eight sealants were placed in 57 children with previously unsealed, caries-free permanent first molars, employing a split-mouth design. The teeth were randomized into four groups (n = 57 teeth/groups) according to the adhesive system placed under the tested sealant (Delton FS+; Dentsply)...
November 30, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27866328/histochemical-changes-of-occlusal-surface-enamel-of-permanent-teeth-where-dental-caries-is-questionable-vs-sound-enamel-surfaces
#2
M Michalaki, C J Oulis, N Pandis, G Eliades
AIM: This in vitro study was to classify questionable for caries occlusal surfaces (QCOS) of permanent teeth according to ICDAS codes 1, 2, and 3 and to compare them in terms of enamel mineral composition with the areas of sound tissue of the same tooth. METHODS: Partially impacted human molars (60) extracted for therapeutic reasons with QCOS were used in the study, photographed via a polarised light microscope and classified according to the ICDAS II (into codes 1, 2, or 3)...
November 19, 2016: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/27820692/filler-content-surface-microhardness-and-rheological-properties-of-various-flowable-resin-composites
#3
S Jager, R Balthazard, A Dahoun, E Mortier
OBJECTIVES: The objectives of this study were to determine the filler content, the surface microhardness (at baseline and after immersion in water for 2 years), and the rheological properties of various flowable resin composites. METHODS: Three flowable resin composites (Grandioso Heavy Flow [GHF], Grandio Flow [GRF], Filtek Supreme XTE Flow [XTE]), one pit and fissure sealant resin composite (ClinPro [CLI]), and three experimental flowable resin composites with the same matrix and a variable filler content (EXPA, EXPB, EXPC) were tested...
November 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27815794/dental-health-and-odontogenic-infections-among-6-to-16-year-old-german-students-with-special-health-care-needs-shcn
#4
Marco Dziwak, Roswitha Heinrich-Weltzien, Kathrin Limberger, Susanne Ifland, Ilka Gottstein, Thomas Lehmann, Ina M Schüler
OBJECTIVES: This cross-sectional study aimed to assess dental health and odontogenic infections in students with special health care needs (SHCN) in the Free State of Thuringia, Germany. METHODS: From 1283 students with SHCN aged 6-16 years, 66.0 % (n = 848 of whom are 35.7 % females and 64.3 % males) with intellectual/learning disabilities (ID/LD), physical disabilities (PD), and sensory disorders (SD) participated after informed consent in oral examinations according to WHO standards...
November 5, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27813625/observations-of-mineralized-tissues-of-teeth-in-x-ray-micro-computed-tomography
#5
Renata Chałas, Karol Szlązak, Ilona Wójcik-Chęcińska, Jakub Jaroszewicz, Rafał Molak, Karol Czechowicz, Sebastian Paris, Wojciech Święszkowski, Krzysztof J Kurzydłowski
BACKGROUND: The one of the most recent imaging technology is X-ray microtomography which allows non-invasive visualization of structures in 3D. It also offers the opportunity to conduct a comprehensive quantitative analysis of the tested objects such as measuring the shares of the various phases, determining the material density and distribution of the size of pores and particles. AIM: The aim of the paper was to present an overview on the applicability and relevance of X-ray microtomography in the study of mineralized tissues of the teeth...
November 4, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27805890/dental-treatment-needs-among-children-and-adolescents-residing-in-an-ugandan-orphanage
#6
Pessia Friedman Rubin, Ephraim Winocur, Assaf Erez, Ravit Birenboim-Wilensky, Benjamin Peretz
BACKGROUND: Previous studies focused on the dental caries status of East African children and not on their overall dental needs. Urban children consume more sugar-rich foods. OBJECTIVES: To assess overall dental treatment needs of children living in an orphanage in Uganda. STUDY DESIGN: Teeth were diagnosed as needing treatment by obvious frank carious lesions (WHO criteria), temporary fillings, staining, or very deep pit and/or fissures possibly requiring sealants...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27790568/comparative-evaluation-of-the-marginal-sealing-ability-of-two-commercially-available-pit-and-fissure-sealants
#7
Lakshmi Priya Sridhar, Joyson Moses, Bollam Nammalwar Rangeeth, Subramanian Sivakumar
INTRODUCTION: The occlusal surfaces of the teeth usually have pits and fissures which provide a good environment for demineralization with minimal salivary access and make them caries prone. The success of pit and fissure sealing materials is highly dependent on the marginal sealing ability of the fissures. AIM: The present study was carried out to evaluate and compare the marginal sealing ability of two commercially available pit and fissure sealants. MATERIALS AND METHODS: A total of 50 human premolar teeth were used in this invitro study...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27767116/fissure-seal-or-fluoride-varnish
#8
Christopher Deery
Data sourcesCochrane Oral Health Group Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, the US National Institutes of Health Trials Register and the World Health Organization (WHO) Clinical Trials Registry PlatformStudy selectionRandomised controlled trials (RCTs) with at least 12 months follow-up, in which fissure sealants, or fissure sealants together with fluoride varnishes, were compared with fluoride varnishes alone for preventing caries in occlusal surfaces of permanent teeth of children and adolescents...
September 2016: Evidence-based Dentistry
https://www.readbyqxmd.com/read/27759403/pit-and-fissure-sealants-or-fluoride-varnishes
#9
L Paglia
Despite the general advances in dental care, dental caries is still a global health problem affecting many children. Occlusal surfaces of first permanent molars are the most susceptible sites in the developing permanent dentition. Dentists should use sealants or fluoride varnish - as well as other means - to limit the onset of tooth decay. Application of sealants is a recommended procedure to prevent or control caries. Sealing occlusal surfaces of newly erupted permanent molars in children and teenagers delays caries onset up to 48 months compared with unsealed teeth...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/27756293/costs-of-a-school-based-dental-mobile-service-in-south-africa
#10
M P Molete, L Chola, K J Hofman
BACKGROUND: The burden of untreated tooth decay remains high and oral healthcare utilisation is low for the majority of children in South Africa. There is need for alternative methods of improving access to low cost oral healthcare. The mobile dental unit of the University of the Witwatersrand (Wits) has been operational for over 25 years, providing alternative oral healthcare to children and adults who otherwise would not have access. The aim of this study was to conduct a cost-analysis of a school based oral healthcare program in the Wits mobile dental unit...
October 19, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27723424/clinical-photographic-scanning-electron-microscopy-analysis-of-pit-and-fissure-sealants-after-22-years-a-case-series
#11
D Sundfeld, L S Machado, L M Franco, F M Salomão, Nip Pini, Mlmm Sundefeld, C S Pfeifer, R H Sundfeld
Pit and fissure sealant is a clinical technique adopted to prevent caries lesion development. Ionomeric and/or resin-based materials are commonly used for this purpose. This article presents a case series of sealed teeth with 22-year follow-up evaluated by clinical, photographic, and microscopic analysis. In 1992, sixteen patients (9-14 years of age) had at least three teeth sealed with one of the following materials: resin-modified glass ionomer cement (RMGIC, Vitrebond or Fuji II LC) or polyacid-modified resin composite (PMRC, VariGlass VLC), totaling 86 sealed permanent teeth...
October 10, 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27695715/which-factors-influence-the-shear-bond-strength-of-sealant-materials
#12
Meng-Ling Chiang, Sebastian Birlbauer, Yi-Fang Lo, Vinay Pitchika, Alexander Crispin, Nicoleta Ilie, Reinhard Hickel, Jan Kühnisch
PURPOSE: This study investigated the influence of several methodological details on the shear bond strength (SBS) testing of pit and fissure sealants. The following variables were considered: type of enamel surfaces, prismatic vs aprismatic enamel, etching time, and aging and shearing procedures. MATERIALS AND METHODS: The surfaces of 180 healthy human third molars were divided into 4 different sections (mesial, distal, buccal, and oral). After tooth separation, the specimens were randomly allocated to the following groups: 1) enamel preparation: prismatic vs aprismatic; 2) etching: 30 s vs 60 s; 3) aging: 1 day or 3 months vs 5000 thermocycles; 4) shearing: notched-edge method (ISO 29022:2013) vs knife-edge method...
September 29, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27693779/managing-molar-incisor-hypomineralization-a-systematic-review
#13
Karim Elhennawy, Falk Schwendicke
OBJECTIVES: We systematically reviewed treatment modalities for MIH-affected molars and incisors. DATA: Trials on humans with ≥1 MIH molar/incisor reporting on various treatments were included. Two authors independently searched and extracted records. Sample-size-weighted annual failure rates were estimated where appropriate. The risk of bias was assessed using the Newcastle-Ottawa scale. SOURCES: Electronic databases (PubMed, Embase, Cochrane CENTRAL, Google Scholar) were screened, and hand searches and cross-referencing performed...
September 28, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27685314/effect-of-an-antibacterial-monomer-on-the-antibacterial-activity-of-a-pit-and-fissure-sealant
#14
Fan Yu, Haohan Yu, Pingting Lin, Yan Dong, Ling Zhang, Xiang Sun, Zhengya Liu, Huihui Guo, Li Huang, Jihua Chen
Resin-based pit-and-fissure sealants are often used to form a barrier on the occlusal surface of molars to treat caries lesions; however, bacteria can remain in the pit and fissures without detection, increasing the risk of secondary caries. Sealants with antimicrobial properties or microbial repellent actions might be advantageous. The aim of this study was to assess the inhibitory effect of a 2-methacryloxylethyl dodecyl methyl ammonium bromide (MAE-DB)-incorporated sealant against Streptococcus mutans. MAE-DB (4% wt) was incorporated into a commercially available sealant, Eco-S resin-based pit-and-fissure sealant (Vericom Co...
2016: PloS One
https://www.readbyqxmd.com/read/27671372/comparison-of-the-canary-system-and-diagnodent-for-the-in-vitro-detection-of-caries-under-opaque-dental-sealants
#15
Josh D Silvertown, Bonny P Y Wong, Stephen H Abrams, Koneswaran S Sivagurunathan, Sapna M Mathews, Bennett T Amaechi
AIM: The aim of the present study was to investigate the ability of operators using The Canary System and DIAGNOdent to detect natural pit and fissure caries under four commonly-used opaque dental sealants. METHODS: Mixed sound and carious pits/fissures (N = 105) selected from 40 human teeth were randomly assigned (10 teeth/group) to one of four opaque sealant groups (Delton, Embrace WetBond, Helioseal F, UltraSeal XT Plus). Selected pits/fissures sites on occlusal surfaces were scanned with The Canary System and DIAGNOdent, sealed, re-scanned, and subjected to polarized light microscopy to confirm whether the scanned regions were sound or carious...
September 26, 2016: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/27666005/preparation-before-acid-etching-in-fissure-sealant-therapy-yes-or-no-a-systematic-review-and-meta-analysis
#16
REVIEW
Ali Bagherian, Alireza Sarraf Shirazi
BACKGROUND: The authors of this systematic review and meta-analysis had 2 aims: to evaluate fissure sealant retention with and without the use of a preparation method and to compare fissure sealant retention using the preparation-only method before sealant placement with the conventional acid-etching procedure. TYPES OF STUDIES REVIEWED: The authors conducted a literature search (from database inception through June 2, 2016) to identify studies for inclusion in this systematic review...
December 2016: Journal of the American Dental Association
https://www.readbyqxmd.com/read/27659639/the-undergraduate-preparation-of-dentists-confidence-levels-of-final-year-dental-students-at-the-school-of-dentistry-in-cardiff
#17
A S M Gilmour, A Welply, J G Cowpe, A D Bullock, R J Jones
Objective To investigate the self-reported confidence and preparedness of final year undergraduate students in undertaking a range of clinical procedures.Methods A questionnaire was distributed to final year dental students at Cardiff University, six months prior to graduation. Respondents rated their confidence in undertaking 39 clinical procedures using a 5-point scale (1 = can undertake on own with confidence, 5 = unable to undertake). Students also responded yes/no to experiencing four difficulties and to three statements about general preparedness...
September 23, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27659636/an-investigation-of-the-clinical-experiences-of-dentists-within-the-national-dental-foundation-training-programme-in-the-north-west-of-england
#18
N O A Palmer, J A Kirton, D Speechley
Objective To investigate the clinical experiences of foundation dentists (FDs) in the North West of England.Methods Three research methods were used: a questionnaire completed by FDs at the end of their training; an analysis of the clinical logs of experience recorded in the educational portfolios; and analysis of NHS Business Services Authority (NHSBSA) activity data for the 12 month period of training of FDs.Results A response rate of 100% (N = 50) was achieved for the questionnaire and complete data for 49 of the 50 FDs was available from the NHSBSA and clinical logs in the educational portfolios...
September 23, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27652241/in-vitro-evaluation-of-shear-bond-strength-and-microleakage-of-different-pit-and-fissure-sealants
#19
Prashant Babaji, Shivali Vaid, S Deep, Samvit Mishra, Madhulika Srivastava, Thomas Manjooran
AIM AND OBJECTIVES: Fissure caries is most common in children due to deep pit and fissures. Pit and fissure areas on the occlusal surface of the teeth make them susceptible to dental caries, which need to be prevented or restored. Fissures sealant reduces the risk of occlusal caries. The present study was done to evaluate microleakage and shear bond strength of various fissure sealants. MATERIALS AND METHODS: Thirty-six extracted molars were randomly allocated equally (n = 12) into three groups with three different sealants to evaluate shear bond strength and microleakage at sealant space...
August 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27651887/fissure-sealant-materials-wear-resistance-of-flowable-composite-resins
#20
Sohrab Asefi, Solmaz Eskandarion, Shadi Hamidiaval
Background. Wear resistance of pit and fissure sealant materials can influence their retention. Wear characteristics of sealant materials may determine scheduling of check-up visits. The aim of this study was to compare wear resistance of two flowable composite resins with that of posterior composite resin materials. Methods. Thirty-five disk-shaped specimens were prepared in 5 groups, including two flowable composite resins (Estelite Flow Quick and Estelite Flow Quick High Flow), Filtek P90 and Filtek P60 and Tetric N-Ceram...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
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