keyword
https://read.qxmd.com/read/23802636/frequency-of-restoration-replacement-in-posterior-teeth-for-u-s-navy-and-marine-corps-personnel
#21
JOURNAL ARTICLE
M Laccabue, R L Ahlf, J W Simecek
STATEMENT OF PROBLEM: There are no recent data that describe the replacement rates of resin composite and dental amalgam restorations placed by US Navy dentists. Information is needed to provide the best possible care for our military personnel which would minimize the probability of dental emergencies, especially for those who are deployed. PURPOSE: The purpose of this study was to determine if the frequency of posterior restoration replacement in military personnel differed based on the type of restorative material utilized...
January 2014: Operative Dentistry
https://read.qxmd.com/read/23162592/evaluation-of-efficacy-of-restorative-dental-treatment-provided-under-general-anesthesia-at-hospitalized-pediatric-dental-patients-of-isfahan
#22
JOURNAL ARTICLE
Alireza Eshghi, Mahdi Jafarzadeh Samani, Naghme Feyzi Najafi, Maryam Hajiahmadi
BACKGROUND: General anesthesia (GA) allows dental treatment to be rendered under optimal conditions, theoretically ensuring ideal outcomes. The aim of this study was to determine the efficacy of restorative dental procedures performed under GA. MATERIALS AND METHODS: In this cross-sectional retrospective study, 305 pediatric patients who had been treated under GA 6 to 24 months before our survey at Isfahan's hospitalized dentistry center were examined. The examination was performed on dental chair with oral mirror and dental probe...
July 2012: Dental Research Journal
https://read.qxmd.com/read/22972857/dental-composites-and-amalgam-and-physical-development-in-children
#23
RANDOMIZED CONTROLLED TRIAL
N N Maserejian, R Hauser, M Tavares, F L Trachtenberg, P Shrader, S McKinlay
Resin-based composite dental restoration materials may release bisphenol-A, an endocrine-disrupting chemical. Using secondary analysis of a randomized clinical safety trial of amalgam vs. composites, we tested the hypothesis that dental restoration materials affect children's growth. Children (N = 218 boys, N = 256 girls) aged 6 to 10 yrs at baseline with ≥ 2 decayed posterior teeth were randomized to amalgam or composites (bisphenol-A-diglycidyl-dimethacrylate composite for permanent teeth, urethane-dimethacrylate compomer for primary teeth) for treatment of posterior caries throughout follow-up...
November 2012: Journal of Dental Research
https://read.qxmd.com/read/22802599/dental-composite-restorations-and-psychosocial-function-in-children
#24
RANDOMIZED CONTROLLED TRIAL
Nancy N Maserejian, Felicia L Trachtenberg, Russ Hauser, Sonja McKinlay, Peter Shrader, Mary Tavares, David C Bellinger
BACKGROUND AND OBJECTIVE: Resin-based dental materials may intraorally release their chemical components and bisphenol A. The New England Children's Amalgam Trial found that children randomized to amalgam had better psychosocial outcomes than those assigned to composites for posterior tooth restorations. The objective of this study was to examine whether greater exposure to dental composites is associated with psychosocial problems in children. METHODS: Analysis of treatment-level data from the New England Children's Amalgam Trial, a 2-group randomized safety trial comparing amalgam with the treatment plan of bisphenol A-glycidyl methacrylate (bisGMA)-based composite and urethane dimethacrylate-based polyacid-modified composite (compomer), among 534 children aged 6 to 10 years at baseline...
August 2012: Pediatrics
https://read.qxmd.com/read/22226997/the-influence-of-approximal-restoration-extension-on-the-development-of-secondary-caries
#25
COMPARATIVE STUDY
N K Kuper, N J M Opdam, E M Bronkhorst, M C D N J M Huysmans
OBJECTIVES: To evaluate whether occlusoproximal restorations with cervical margins apical to the cemento-enamel junction (CEJ) are more prone to failure than restorations with margins coronal to the CEJ, in particular failure due to secondary caries. METHODS: A method was developed for scoring cervical margin extension on bitewings, and validated in vitro. Records from patients with at least one occlusoproximal restoration replaced due to secondary caries were selected from an existing database...
March 2012: Journal of Dentistry
https://read.qxmd.com/read/22214435/reasons-for-replacement-of-restorations-dentists-perceptions
#26
JOURNAL ARTICLE
Ulla Palotie, Miira M Vehkalahti
OBJECTIVE: This study aimed at evaluating dentists' perceived reasons for replacement of restorations and ascertaining the differences arising from dentists' gender, time since graduation and working sector (salaried vs private). MATERIALS AND METHODS: A postal questionnaire was sent to a total of 592 working-age general dental practitioners in Finland, 57% (n = 339) responded. The dentists were asked to rank in order of priority the six most common reasons for replacement of composite in the incisors and posterior teeth and amalgam in the posterior tooth from a list of 12 reasons...
December 2012: Acta Odontologica Scandinavica
https://read.qxmd.com/read/21777096/in-vitro-evaluation-of-icdas-and-radiographic-examination-of-occlusal-surfaces-and-their-association-with-treatment-decisions
#27
JOURNAL ARTICLE
Michele B Diniz, Luciana Monti Lima, George Eckert, Andrea G Ferreira Zandona, Rita C L Cordeiro, Lourdes Santos Pinto
This in vitro study evaluated the performance of visual (International Caries Detection and Assessment System [ICDAS]) and radiographic (bitewing [BW]) examinations for occlusal caries detection and their associations with treatment decision (TD). Permanent teeth (n=104) with occlusal surfaces varying from sound to cavitated were selected. Sites were identified from 10× occlusal surface photographs. Standardized bitewing (BW) radiographs were taken. Four dentists with at least five years of experience scored all teeth twice (one-week interval) for ICDAS (0–6), BW (0=sound, 1=caries restricted to enamel, 2=caries in outer third dentin, 3=caries in inner third dentin), and TD (0=no treatment, 1=sealant, 2=microabrasion and sealant, 3=round bur sealant, 4a=resin, 4b=amalgam)...
March 2011: Operative Dentistry
https://read.qxmd.com/read/21196888/influence-of-cavity-preparation-technique-rotary-vs-ultrasonic-on-microleakage-and-marginal-fit-of-six-end-root-filling-materials
#28
COMPARATIVE STUDY
Juan-Ignacio Rosales-Leal, Victoria Olmedo-Gaya, Manuel Vallecillo-Capilla, Juan-de-Dios Luna-del Castillo
OBJECTIVES: To evaluate in vitro the effect of cavity preparation with microburs and diamond-coated ultrasonic tips on the microleakage and marginal fit of six end-root filling materials. STUDY DESIGN. The following materials were assessed: amalgam (Amalcap), zinc oxide eugenol (IRM), glass ionomer (Vitrebond), compomer (Cavalite), mineral particle aggregate (MTA) and composite (Clearfil). Cavity preparation was performed with microburs or diamond ultrasonic tips in single-root teeth...
March 2011: Medicina Oral, Patología Oral y Cirugía Bucal
https://read.qxmd.com/read/20836947/differences-in-pediatric-dental-services-under-general-anesthesia-for-medicaid-and-military-dependent-children
#29
COMPARATIVE STUDY
M B Johnson, D P Cappelli, B S Bradshaw, J C Mabry
PURPOSE: This study's purpose was to compare pediatric dental services provided for Medicaid and military dependent children to determine if differences in dental treatment choices exist based on site and payment method. METHODS: Subjects included 120 Medicaid patients at the University of Texas Health Science Center at San Antonio and 120 military dependents at Lackland Air Force Base, Texas. Demographic data and treatment information were abstracted for children younger than 6 years old receiving dental treatment under general anesthesia between 2002 and 2006...
July 2010: Pediatric Dentistry
https://read.qxmd.com/read/20660797/12-year-survival-of-composite-vs-amalgam-restorations
#30
COMPARATIVE STUDY
N J M Opdam, E M Bronkhorst, B A C Loomans, M C D N J M Huysmans
Information about the long-term clinical survival of large amalgam and composite restorations is still lacking. This retrospective study compares the longevity of three- and four-/five-surface amalgam and composite restorations relative to patients' caries risk. Patient records from a general practice were used for data collection. We evaluated 1949 large class II restorations (1202 amalgam/747 composite). Dates of placement, replacement, and failure were recorded, and caries risk of patients was assessed. Survival was calculated from Kaplan-Meier statistics...
October 2010: Journal of Dental Research
https://read.qxmd.com/read/18721920/biomarkers-of-kidney-integrity-in-children-and-adolescents-with-dental-amalgam-mercury-exposure-findings-from-the-casa-pia-children-s-amalgam-trial
#31
COMPARATIVE STUDY
James S Woods, Michael D Martin, Brian G Leroux, Timothy A DeRouen, Mario F Bernardo, Henrique S Luis, Jorge G Leitão, John V Kushleika, Tessa C Rue, Anna M Korpak
Mercury is toxic to the kidney, and dental amalgam is a source of mercury exposure. Few studies have evaluated the effects of dental amalgam on kidney function in a longitudinal context in children. Here, we evaluated urinary concentrations of glutathione S-transferases (GSTs) alpha and pi as biomarkers of renal proximal and distal tubular integrity, respectively, and albumin as a biomarker of glomerular integrity in children and adolescents 8-18 years of age over a 7-year course of dental amalgam treatment...
November 2008: Environmental Research
https://read.qxmd.com/read/17896116/effect-of-different-adhesive-protocols-vs-calcium-hydroxide-on-primary-tooth-pulp-with-different-remaining-dentin-thicknesses-24-month-results
#32
RANDOMIZED CONTROLLED TRIAL
Bülent Büyükgüral, Zafer C Cehreli
The aim of this randomized, controlled, single-blind and prospective study was to evaluate the clinical and radiographic success rates of three different bonding protocols vs calcium hydroxide liner for protection of the dentin-pulp complex of primary molars with different remaining dentin thicknesses. Two hundred forty primary molar teeth with moderate to deep occlusal caries were restored in 97 children who met inclusion criteria. After cavity preparation, the teeth were randomly assigned into four groups (n = 60/group) with respect to the material used for protection of the dentin-pulp complex: (1) total-etching with 36% phosphoric acid followed by an acetone-based adhesive (Prime&Bond NT), (2) a self-etch adhesive system (Xeno III), (3) an acetone-based adhesive (Prime&Bond NT) without prior acid conditioning, and (4) control: calcium hydroxide cement (Dycal)...
March 2008: Clinical Oral Investigations
https://read.qxmd.com/read/17431496/dental-amalgam-restorations-and-children-s-neuropsychological-function-the-new-england-children-s-amalgam-trial
#33
RANDOMIZED CONTROLLED TRIAL
David C Bellinger, David Daniel, Felicia Trachtenberg, Mary Tavares, Sonja McKinlay
BACKGROUND: A concern persists that children's exposure to mercury vapor from dental amalgams produces neurotoxicity. OBJECTIVE: Our goal was to compare the neuropsychological function of children, without prior exposure to dental amalgam, whose caries were repaired using either dental amalgam or mercury-free composite materials. METHODS: We conducted a randomized controlled trial involving 534 6- to 10-year-old urban and rural children who were assessed yearly for 5 years using a battery of tests of intelligence, achievement, language, memory, learning, visual-spatial skills, verbal fluency, fine motor function, problem solving, attention, and executive function...
March 2007: Environmental Health Perspectives
https://read.qxmd.com/read/16622139/neuropsychological-and-renal-effects-of-dental-amalgam-in-children-a-randomized-clinical-trial
#34
RANDOMIZED CONTROLLED TRIAL
David C Bellinger, Felicia Trachtenberg, Lars Barregard, Mary Tavares, Elsa Cernichiari, David Daniel, Sonja McKinlay
CONTEXT: No randomized trials have been published that address the concern that inhalation of mercury vapor released by amalgam dental restorations causes adverse health effects. OBJECTIVE: To compare the neuropsychological and renal function of children whose dental caries were restored using amalgam or mercury-free materials. DESIGN AND SETTING: The New England Children's Amalgam Trial was a 2-group randomized safety trial involving 5 community health dental clinics in Boston, Mass, and 1 in Farmington, Me, between September 1997 and March 2005...
April 19, 2006: JAMA
https://read.qxmd.com/read/16615378/assessment-of-the-quality-of-reporting-observational-studies-in-the-pediatric-dental-literature
#35
JOURNAL ARTICLE
Yogita Butani, Arthur Hartz, Steven Levy, Catherine Watkins, Michael Kanellis, Arthur Nowak
PURPOSE: The purpose of this assessment was to evaluate reporting of observational studies in the pediatric dental literature. METHODS: This assessment included the following steps: (1) developing a model for reporting information in clinical dentistry studies; (2) identifying treatment comparisons in pediatric dentistry that were evaluated by at least 5 observational studies; (3) abstracting from these studies any data indicated by applying the reporting model; and (4) comparing available data elements to the desired data elements in the reporting model...
January 2006: Pediatric Dentistry
https://read.qxmd.com/read/16389467/bond-strength-of-resin-composite-to-differently-conditioned-amalgam
#36
COMPARATIVE STUDY
M Ozcan, P K Vallittu, M-C Huysmans, W Kalk, T Vahlberg
Bulk fracture of teeth, where a part of the amalgam restoration and/or the cusp is fractured, is a common clinical problem. The aim of this study was to evaluate the effect of different surface conditioning methods on the shear bond strength of a hybrid resin composite to fresh amalgam. Amalgams (N=84) were condensed into acrylic and randomly assigned to one of the following treatments (N=6): (1) Alloy primer + opaquer, (2) Air-particle abrasion (50 micro m Al(2)O(3)) + alloy primer + opaquer, (3) Silica coating (30 micro m SiO(x)) + silanization + opaquer, (4) Opaquer + pre-impregnated continuous bidirectional E-glass fibre sheets, (5) Silica coating + silanization + fibre sheets, (6) Silica coating + silanization + opaquer + fibre sheet application...
January 2006: Journal of Materials Science. Materials in Medicine
https://read.qxmd.com/read/15478495/effects-of-bonded-composites-vs-amalgam-on-resistance-to-cuspal-deflection-for-endodontically-treated-premolar-teeth
#37
RANDOMIZED CONTROLLED TRIAL
Antonio Cerutti, Piera Flocchini, Lorenzo Madini, Francesco Mangani, Angelo Putignano, Franco Docchio
PURPOSE: To determine, by means of a non-destructive experimental procedure, the extent to which tooth cusps are weakened by endodontic procedures and the effectiveness of adhesive bonding restoration in reducing cuspal deflection as a function of different restorative procedures. METHODS: A mechanically controlled loading device induced cuspal deflection by axial force (range 98-294 N) on an occlusal surface while LTS laser twin sensors registered the amount of deflection...
August 2004: American Journal of Dentistry
https://read.qxmd.com/read/12859115/effects-of-bleaching-with-carbamide-peroxide-gels-on-microhardness-of-restoration-materials
#38
COMPARATIVE STUDY
Inger Campos, André Luiz Fraga Briso, Luiz André Freire Pimenta, Gláucia Ambrosano
The objective of this in vitro study was to quantitatively assess the effects of bleaching with 10 and 15% carbamide peroxide (CP) on restoration materials by performing superficial microhardness analysis. Acrylic cylindrical containers (4 x 2 mm) were filled with the following restoration products: Charisma (Heraues Kulzer, Vila Santa Catarina, São Paulo, Brazil), Durafill VS (Heraeus Kulzer), Vitremer (3M, Sumaré, São Paulo, Brazil), Dyract (Dentsply, Petrópolis, Rio de Janeiro, Brazil), and Permite C (SDI, São Paulo, São Paulo, Brazil)...
2003: Journal of Esthetic and Restorative Dentistry
https://read.qxmd.com/read/12622881/evaluation-of-proximal-contacts-of-posterior-composite-restorations-with-4-placement-techniques
#39
COMPARATIVE STUDY
Wafa A El-Badrawy, Brian W Leung, Omar El-Mowafy, Jose H Rubo, Marcia H Rubo
BACKGROUND: Contrary to the situation for amalgam restorations, obtaining acceptable proximal contacts with posterior composite restorations can be difficult. Proximal contacts that are less than ideal may permit food impaction and subsequent caries formation and periodontal problems. PURPOSE: The aim of this study was to assess the quality of proximal contacts of posterior composite restorations placed with 4 restorative techniques. METHODS: Seventy-five mounted ivorine teeth with large, standardized MOD cavities were divided into 5 groups of 15 teeth each...
March 2003: Canadian Dental Association Journal
https://read.qxmd.com/read/12146589/re-treatment-decisions-for-failed-posterior-fillings-by-finnish-general-practitioners
#40
JOURNAL ARTICLE
Mia Heinikainen, Miira Vehkalahti, Heikki Murtomaa
OBJECTIVE: To evaluate treatment decisions of general dental practitioners (GDPs) in the private and public sector in cases of re-treatment of failed posterior fillings. DESIGN: A questionnaire on six cases from 400 GDPs, selected by stratified randomisation by gender, and main occupation (public vs. private sector). Others were all full-time dental teachers (DTs; n=47) representing clinical disciplines other than surgery and orthodontics. Restorative cases were described in detail, including figures drawn on four subcases involving the first permanent upper molar where the filling to be replaced increased in size from occlusal filling to the entire clinical crown...
June 2002: Community Dental Health
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