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https://www.readbyqxmd.com/read/29334437/a-randomized-clinical-trial-to-measure-the-erosion-protection-benefits-of-a-novel-stabilized-stannous-fluoride-dentifrice-versus-a-control-dentifrice
#1
Xinyi Zhao, Tao He, Yanyan He, Cathy Cheng, Haijing Chen
OBJECTIVES: The aim of this investigation was to assess the erosion protection ability of a novel stabilized stannous fluoride (SnF2) dentifrice and a control sodium fluoride dentifrice (NaF) using a well-credentialed human in situ model. METHODS: A novel smooth texture 0.454% stabilized SnF2 dentifrice (Crest® Pro-Health™ smooth formula) and a 0.23% NaF marketed control dentifrice with 5% potassium nitrate (Sensodyne® Pronamel®) were compared in a 10-day, single center, randomized, controlled, double-blind, two-treatment, three-period crossover in situ clinical trial...
December 2017: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/29333778/-remineralization-effect-of-casein-phosphopeptide-amorphous-calcium-phosphate-for-enamel-demineralization-a-system-review
#2
Wang Xiaotong, Rao Nanquan, Xie Jing, Zhao Yuming, Ge Lihong
OBJECTIVE: This study  aims  to  assess  the  remineralization effect of casein phosphopeptide (CPP)-amorphous calcium phosphate (ACP) on enamel demineralization by  performing  system review of  randomized  controlled  trials (RCT)  involving  the  treatment of enamel demineralization with  CPP-ACP. METHODS: The  study  was  developed  based  on  the 
Cochrane handbook  for  systematic  reviews of  interventions (Version 5...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29326518/toothpaste-use-protocol-with-dental-bleaching-for-a-conservative-treatment-case-reports
#3
Waldemir F Vieira-Junior, Thayla H N Gouveia, Bruna G Silva, Vanessa C P S Bueno, Flávio H B Aguiar, Débora A N L Lima
In-office bleaching is a treatment based on products that contain hydrogen peroxide (HP) while demonstrating whitening effectiveness. HP could promote alterations to surface morphologies and properties of dental tissues. The objective was describe a toothpaste protocol associated to bleaching therapy to promote a safer approach. Patient 1 (male) and Patient 2 (female) were attended, and toothbrushing (twice a day) with a dentifrice containing bioactive glass (BG) (NovaMin™) and fluoride was indicated before and during the treatment...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29324319/dental-age-estimation-employing-cbct-scans-enhanced-with-mimics-software-comparison-of-two-different-approaches-using-pulp-tooth-volumetric-analysis
#4
Muhammad Khan Asif, Phrabhakaran Nambiar, Shani Ann Mani, Norliza Binti Ibrahim, Iqra Muhammad Khan, Prema Sukumaran
The methods of dental age estimation and identification of unknown deceased individuals are evolving with the introduction of advanced innovative imaging technologies in forensic investigations. However, assessing small structures like root canal volumes can be challenging in spite of using highly advanced technology. The aim of the study was to investigate which amongst the two methods of volumetric analysis of maxillary central incisors displayed higher strength of correlation between chronological age and pulp/tooth volume ratio for Malaysian adults...
January 4, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29322600/using-enamel-matrix-derivative-to-improve-treatment-efficacy-in-periodontal-furcation-defects
#5
REVIEW
Reza Masaeli, Kavosh Zandsalimi, Zahra Lotfi, Lobat Tayebi
PURPOSE: Furcations are complicated periodontal defects. Untreated furcations lead to loss of the involved teeth and supporting tissues. It has been demonstrated that regenerative biomaterials are beneficial in reconstruction of the bone surrounding furcation-affected teeth. These biomaterials range from bone grafts and nonresorbable/resorbable barrier membranes to biologics that are able to trigger inactive regenerative processes in periodontal tissues. Selection of appropriate material(s) to treat furcations is challenging...
January 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29322499/effect-of-body-weight-and-behavioural-factors-on-caries-severity-in-mexican-rural-and-urban-adolescents
#6
Cynthia Lara-Capi, Maria Grazia Cagetti, Fabio Cocco, Peter Lingström, Franklin García-Godoy, Guglielmo Campus
OBJECTIVES: To investigate if, in Mexican adolescents, body weight and caries severity are associated, and if this association differs between rural and urban populations. METHODS: Adolescents from the rural area of Tepancan and the city of Veracruz were enrolled. Caries was recorded using the International Caries Detection and Assessment System and the body mass index (BMI) was calculated. Oral habits (toothbrushing, flossing, dental check-ups) and dietary patterns (sweets intake) were assessed...
January 11, 2018: International Dental Journal
https://www.readbyqxmd.com/read/29318813/red-fluorescence-of-dental-biofilm-as-an-indicator-for-assessing-the-efficacy-of-antimicrobials
#7
Eun-Song Lee, Elbert de Josselin de Jong, Hoi-In Jung, Baek-Il Kim
The study aimed to determine whether the red fluorescence (RF) of a dental microcosm biofilm as measured with quantitative light-induced fluorescence (QLF) technology is useful for assessing the efficacy of antimicrobials. Dental microcosm biofilms were formed on bovine enamel discs and grown under 0.3% sucrose challenge and treated with chlorhexidine (CHX) solutions at different concentrations (0.05%, 0.1%, and 0.5%) plus a negative control [sterile distilled water (DW)] twice daily for 7 days. The biofilms were photographed using a QLF-digital system to evaluate the RF by calculating the red/green ratio, and pH values of the medium were measured daily...
January 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29318781/phosphonate-functionalized-poly-%C3%AE-amino-ester-macromers-as-potential-biomaterials
#8
Ece Akyol, Mirac Tatliyuz, Fatma Demir Duman, Melek Naz Guven, Havva Yagci Acar, Duygu Avci
Biodegradability, hemocompatibility, resistance to protein adsorption, and strong interactions with hydroxyapatite (HAP)-based tissues such as dentin, enamel, and bone are important properties of phosphorus-containing biomaterials. Here, novel phosphonate-functionalized poly(β-amino ester) (PBAE) macromers are synthesized through aza-Michael addition of various diacrylates [1,6-hexanediol diacrylate (HDDA), poly(ethylene glycol) diacrylate (PEGDA, Mn =575), 1,4-butanediol diacrylate (BDDA), 1,6-hexanediol ethoxylate diacrylate (HDEDA) and triethylene glycol diacrylate (TEGDA)] and a phosphonate-containing primary amine (diethyl 2-aminoethylphosphonate, A1) efficiently without any catalyst; where replacement of A1 with propyl amine (PA) served as control...
January 10, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29317951/parafunctional-behaviors-and-its-effect-on-dental-bridges
#9
REVIEW
Amal Alharby, Hanan Alzayer, Ahmed Almahlawi, Yazeed Alrashidi, Samaa Azhar, Maan Sheikho, Anas Alandijani, Amjad Aljohani, Manal Obied
Parafunctional behaviors, especially bruxism, are not uncommon among patient visiting dentists' clinics daily and they constitute a major dental issue for almost all dentists. Many researchers have focused on the definition, pathophysiology, and treatment of these behaviors. These parafunctional behaviors have a considerable negative impact on teeth and dental prothesis. In this review, we focused on the impact of parafunctional behaviors on dental bridges. We summarized the definitions, epidemiology, pathophysiology, and consequences of parafunctional behaviors...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29317097/precision-of-655nm-confocal-laser-profilometry-for-3d-surface-texture-characterisation-of-natural-human-enamel-undergoing-dietary-acid-mediated-erosive-wear
#10
F Mullan, P Mylonas, C Parkinson, D Bartlett, R S Austin
OBJECTIVES: To assess the precision of optical profilometry for characterising the 3D surface roughness of natural and polished human enamel in order to reliably quantify acid mediated surface roughness changes in human enamel. METHODS: Forty-two enamel samples were prepared from extracted human molars and either polished flat or left unmodified. To investigate precision, the variability of thirty repeated measurements of five areas of one polished and one natural enamel sample was assessed using 655nm Confocal Laser Profilometry...
January 6, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29316616/revitalising-silver-nitrate-for-caries-management
#11
REVIEW
Sherry Shiqian Gao, Irene Shuping Zhao, Steve Duffin, Duangporn Duangthip, Edward Chin Man Lo, Chun Hung Chu
Silver nitrate has been adopted for medical use as a disinfectant for eye disease and burned wounds. In dentistry, it is an active ingredient of Howe's solution used to prevent and arrest dental caries. While medical use of silver nitrate as a disinfectant became subsidiary with the discovery of antibiotics, its use in caries treatment also diminished with the use of fluoride in caries prevention. Since then, fluoride agents, particularly sodium fluoride, have gained popularity in caries prevention. However, caries is an infection caused by cariogenic bacteria, which demineralise enamel and dentine...
January 6, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29314214/oral-and-craniofacial-manifestations-in-a-hunter-syndrome-patient-with-hematopoietic-stem-cell-transplantation-a-case-report
#12
Rafaela de Oliveira Torres, Andréa Vaz Braga Pintor, Fábio Ribeiro Guedes, Liana Bastos Freitas-Fernandes, Anneliese Lopes Barth, Dafne Dain Gandelman Horovitz, Ivete Pomarico Ribeiro de Souza
We described herein the oral and craniofacial features of a 7-year-old boy, diagnosed in utero with mucopolysaccharidosis II (MPS II), who was treated with hematopoietic stem cell transplantation (HSCT) at 70 days of age. The main oral clinical findings were the following: macroglossia, posterior cross-bite, crowding, pointed cuspid teeth, delayed tooth eruption, retained primary teeth, and enamel hypoplasia. The image examination showed: retention eruption, posterior primary teeth with short roots, absence of some permanent teeth, and stretching of the stylohyoid processes bilaterally...
January 4, 2018: Special Care in Dentistry
https://www.readbyqxmd.com/read/29310875/comparison-of-the-mechanical-properties-of-translucent-zirconia-and-lithium-disilicate
#13
Sung Joon Kwon, Nathaniel C Lawson, Edward E McLaren, Amir H Nejat, John O Burgess
STATEMENT OF PROBLEM: Three mol% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP) possesses excellent mechanical properties but is relatively opaque. Five mol% yttria-stabilized zirconia polycrystal (5Y-ZP) offers improved translucency, but many of its clinical properties have not been compared with those of 3Y-TZP and lithium disilicate. PURPOSE: The purpose of this in vitro study was to compare the flexural strength, translucency parameter, bond strength, and enamel and material wear of 5Y-ZP (Katana UTML) with 3Y-TZP (Katana HT) and lithium disilicate (e...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29308786/erratum-a-mineralogical-study-in-contrasts-highly-mineralized-whale-rostrum-and-human-enamel
#14
Zhen Li, Maisoon Al-Jawad, Samera Siddiqui, Jill D Pasteris
This corrects the article DOI: 10.1038/srep16511.
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29306776/histological-and-chemical-analyses-of-mesiodens-development-and-mineralization
#15
Awady Muhamad, Moskovitz Moti, Cohen Ornit, Zilberman Uri
OBJECTIVE: This study aimed to compare the developmental timing and mineralization quality of mesiodentes, i.e., supernumerary teeth located mainly in the midline of the maxilla between the central incisors, with the developmental timing and mineralization quality of permanent and primary central incisors. DESIGN: Sixteen mesiodentes, nine permanent and seven primary central incisors were collected. The location of the neonatal line was determined using a light microscope at 10× or 20× enlargements...
December 23, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29306074/association-between-developmental-defects-of-enamel-and-celiac-disease-a-meta-analysis
#16
REVIEW
Débora Souto-Souza, Maria Eliza da Consolação Soares, Vanessa Silva Rezende, Paulo César de Lacerda Dantas, Endi Lanza Galvão, Saulo Gabriel Moreira Falci
OBJECTIVES: Studies have observed the presence of extra-intestinal manifestations of celiac disease (CD), including involvement of the oral cavity, such that developmental defects of enamel (DDE) occur. Thus, the aim of this review was to access the polled prevalence of DDE in individuals with CD, and to establish the strength of the association between these two variables. METHODS: To carry out the systematic review, four electronic databases and the Grey Literature were searched, complemented by a manual search of reference lists within the selected articles...
December 28, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29304423/pulpal-blood-flow-recorded-from-exposed-dentine-with-a-laser-doppler-flow-meter-using-red-or-infrared-light
#17
Kanittha Kijsamanmith, Noppakun Vongsavan, Bruce Matthews
OBJECTIVE: To determine the percentage of the blood flow signal that is derived from dental pulp when recording from exposed dentine in a human premolar. DESIGN: Recordings were made from 7 healthy teeth in 5 subjects (aged 22-33 yr.) with a laser Doppler flow meter (Periflux 4001) using either a red (635 nm) or an infrared (780 nm) laser. After exposing dentine above the buccal pulpal horn (cavity diam. 1.6 mm, depth 3 mm) and isolating the crown with opaque rubber dam, blood flow was recorded alternately with infrared or red light from the exposed dentine under four conditions: before and after injecting local anaesthetic (3% Mepivacaine without vasoconstrictor) (LA) over the apex of the root of the tooth; after exposing the pulp by cutting a buccal, class V cavity in the tooth; and after sectioning the coronal pulp transversely through the exposure...
December 16, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29304422/bleaching-and-enamel-surface-interactions-resulting-from-the-use-of-highly-concentrated-bleaching-gels
#18
Guillermo Grazioli, Lisia Lorea Valente, Cristina Pereira Isolan, Helena Alves Pinheiro, Camila Gonçalves Duarte, Eliseu Aldrighi Münchow
Tooth bleaching is considered a non-invasive treatment, although the use of highly-concentrated products may provoke increased surface roughness and enamel demineralization, as well as postoperative sensitivity. Thus, the aim of this study was to investigate whether hydrogen peroxide (H2O2) concentration would affect tooth bleaching effectiveness and the enamel surface properties. Enamel/dentin bovine specimens (6 × 4 mm) were immersed in coffee solution for 7 days and evaluated with a spectrophotometer (Easyshade; baseline), using the CIEL*a*b* color parameters...
December 28, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29303754/surface-treatment-of-implant-materials-with-antimicrobial-nanoparticulates
#19
Nathalia Ferraz Oliscovicz, Denise Tornavoi de Castro, Mariana Lima da Costa Valente, Evandro Watanabe, César Penazzo Lepri, Andréa Cândido Dos Reis
This study analyzed nanostructured silver vanadate (AgVO3) films on certain substrate surfaces found in dental implant devices in order to see if these films promote antimicrobial activity. Enamel and glaze vehicles were used to apply the nanomaterial (0.0% [control], 2.5%, 5.0%, and 10.0% concentrations) on 3 substrates (280 specimens per substrate): polytetrafluoroethylene (PTFE), polyacetal, and acrylic resin. An agar diffusion method was performed in triplicate to determine the antimicrobial activity against 8 microorganisms...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29301123/a-randomized-in-situ-clinical-study-of-fluoride-dentifrices-on-enamel-remineralization-and-resistance-to-demineralization-effects-of-zinc
#20
Jonathan E Creeth, Ritu Karwal, Anderson T Hara, Domenick T Zero
This study aimed to determine the effect of zinc ions and F concentration in a dentifrice on remineralization of early caries lesions in situ and on resistance to subsequent demineralization. This was a single-center, 6-period, 6-product, blinded (examiner, subject, analyst), randomized (n = 62), crossover study. Products (all NaF) were: 0, 250, 1,150 and 1,426 ppm F (dose-response controls), "Zn-A" (0.3% ZnCl2, 1,426 ppm F), and "Zn-B" (as Zn-A, with high-foaming surfactants) in a conventional silica base...
January 5, 2018: Caries Research
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