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https://www.readbyqxmd.com/read/28941415/manganese-in-teeth-and-neurobehavior-sex-specific-windows-of-susceptibility
#1
Julia Anglen Bauer, Birgit Claus Henn, Christine Austin, Silvia Zoni, Chiara Fedrighi, Giuseppa Cagna, Donatella Placidi, Roberta F White, Qiong Yang, Brent A Coull, Donald Smith, Roberto G Lucchini, Robert O Wright, Manish Arora
BACKGROUND: Manganese (Mn) is an essential element required for growth and development, but higher body burdens have been associated with neurobehavioral decrements in children. OBJECTIVES: We examined whether prenatal or postnatal Mn measured in deciduous teeth was associated with scores on a test of visuospatial learning and memory. METHODS: Deciduous teeth were collected from 142 participants (ages 10-14years) residing near varied ferro‑manganese industry in Italy...
September 20, 2017: Environment International
https://www.readbyqxmd.com/read/28938334/the-morphological-grading-and-comparison-of-sutural-patency-among-cranial-sutures-in-dry-human-skulls
#2
Sibel Cirpan, Abdurrahman Orhan Magden, Nuket Gocmen Mas, Mete Edizer, Funda Aksu, Goksin Nilufer Yonguc
OBJECTIVE: To investigate the degree of fusion (patency) among cranial sutures in human dry skulls in the Anatolia. METHODS: One-hundred fifty-eight human dry skulls that were accepted as adults according to the teeth eruption were macroscopically examined and photographed with Canon 400B (55 mm objective). The grades of fusion of coronal, sagittal, and lambdoid were quantitatively analyzed by using the modified grading scale. According to the extent of patency, the sutures were graded as grade-0 (open), grade-1 (fused but not obliterated), grade-2 (50%< obliterated), grade-3 (50% > obliterated), and grade-4 (100% obliterated)...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938329/mandibular-osteomyelitis-and-cervical-lymphadenitis-due-to-mycobacterium-abscessus-surgical-management-of-a-pediatric-cohort-with-a-shared-epidemiologic-exposure
#3
Peter W Thompson, Joseph K Williams
BACKGROUND: Mycobacterium abscessus has been implicated as the cause of various infections in the setting of healthcare-related "outbreaks." Mandibular osteomyelitis caused by M abscessus is exceedingly rare, with only 1 patient reported in the literature. The authors describe the surgical management of 12 pediatric patients with M abscessus-related mandibular osteomyelitis and cervical lymphadenitis caused by exposure to contaminated water at a regional dental clinic. METHODS: Following institutional review board approval, new suspected patients were reviewed and followed prospectively...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938205/co-exposure-to-methylmercury-and-inorganic-arsenic-in-baby-rice-cereals-and-rice-containing-teething-biscuits
#4
Sarah E Rothenberg, Brian P Jackson, G Carly McCalla, Alexis Donohue, Alison M Emmons
BACKGROUND: Rice is an important dietary source for methylmercury (MeHg), a potent neurotoxin, and inorganic arsenic (As), a human carcinogen. Rice baby cereals are a dietary source of inorganic As; however, less is known concerning MeHg concentrations in rice baby cereals and rice teething biscuits. METHODS: MeHg concentrations were measured in 36 rice baby cereals, eight rice teething biscuits, and four baby cereals manufactured with oats/wheat (n = 48 total)...
September 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28938202/effect-of-different-diode-laser-wavelengths-on-root-dentin-decontamination-infected-with-enterococcus-faecalis
#5
Caroline Cristina Borges, Carlos Estrela, Fabiane Carneiro Lopes, Regina Guenka Palma-Dibb, Jesus Djalma Pecora, Cyntia Rodrigues De Araújo Estrela, Manoel Damião de Sousa-Neto
The objective of this study was to evaluate the antibacterial effect and the ultrastructural alterations of diode laser with different wavelengths (808nm and 970nm) and its association with irrigating solutions (2.5% sodium hypochlorite and 2% chlorhexidine) in root dentin contaminated by a five days biofilm. Thirteen uniradicular teeth were sectioned into 100 dentin intraradicular blocks. Initially, the blocks were immersed for 5min in 17% EDTA and washed with distilled water for 5min, then samples were sterilized for 30min at 120°C...
September 13, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28938029/prognosis-of-combining-remaining-teeth-and-implants-in-double-crown-retained-removable-dental-prostheses-a-systematic-review-and-meta-analysis
#6
Meifei Lian, Kai Zhao, Yunzhi Feng, Qian Yao
PURPOSE: The reliability of combining natural teeth and implants in one removable prosthesis is controversial. This systematic review was conducted to evaluate the prognosis of combined tooth/implant-supported double-crown-retained removable dental prostheses (DCR-RDPs) and to compare them with solely implant-supported prostheses with a minimum observation period of 3 years. MATERIALS AND METHODS: Electronic database (PubMed, Embase, Central, and SCI) and manual searches up to August 2016 were conducted to identify human clinical studies on tooth/implant-supported DCR-RDPs...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28937927/the-effects-of-photobiomodulation-delivered-by-light-emitting-diode-on-stem-cells-from-human-exfoliated-deciduous-teeth-a-study-on-the-relevance-to-pluripotent-stem-cell-viability-and-proliferation
#7
Katia Llanos do Vale, Durvanei Augusto Maria, Lara Cristina Picoli, Alessandro Melo Deana, Marcelo Betti Mascaro, Raquel Agnelli Mesquita Ferrari, Sandra Kalil Bussadori, Kristianne Porta Santos Fernandes
OBJECTIVE: Photobiomodulation (PBM) can modulate the proliferation of some types of stem cells. However, few reports have addressed the effects of PBM delivered by light-emitting diode (LED) on stem cells obtained from the pulp tissue of deciduous teeth. The aim of the present study was to investigate the effect of PBM delivered by red LED (630 nm, 75 mW, 37 mW/cm(2)) with different radiant exposures on the cell cycle, mitochondrial membrane potential, and senescence of stem cells from human exfoliated deciduous teeth (SHED)...
September 21, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28937907/direct-pulp-capping-in-primary-molars-using-mineral-trioxide-aggregate-an-in-vivo-study
#8
Elzbieta Luczaj-Cepowicz, Grazyna Marczuk-Kolada, Malgorzata Pawinska, Marta Obidzinska
OBJECTIVE: To do a clinical and radiographic evaluation of the effectiveness of MTA when used as a direct pulp capping material in primary molars. STUDY DESIGN: Clinical and radiographic follow-up was performed on 30 primary molars with deep caries lesions in 30 patients from 3 to 9.75 years of age. Pulps exposed during cavity preparation were treated by direct pulp capping with MTA. The follow-up clinical and radiographic examinations were carried out at different time intervals: 6, 7-12, 13-18, 19-24, and >24 months after treatment...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937906/protein-activation-in-periapical-reaction-to-iodoform-containing-root-canal-sealer
#9
Nili Tickotsky, Moti Moskovitz
OBJECTIVES: An association between root canal sealers and periapical lesions in primary dentition has been suggested, yet the chemical-protein interactions that may be involved in it have not been studied. The present study explored root sealer components' effect on periapical tissue proteins using bioinformatics tools. STUDY DESIGN: For each chemical component of Endoflas F.S. root sealing material we identified the known and predicted target proteins, using STITCH (search tool for interactions of chemicals http://stitch...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937903/guiding-the-child-s-teeth-with-class-iii-dental-malocclusion-into-correct-occlusion-a-clinician-s-parenting
#10
A Kapur, H S Chawla, A Utreja, A Goyal
Pediatric dentists are often the first ones to be consulted for the presence of an anterior cross bite in the primary dentition. The condition requires an early interception to avoid progressive dentoalveolar and skeletal changes. The management, however, poses unique challenges in terms of young age of the child, correct choice of appliance and unpredictability of the response to treatment due to inability to ascertain the inherent growth potential. It is very important therefore for the specialist, to be able to recognize the early signs of a developing class III malocclusion tendency and also know the basic details of successful management of such cases...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937901/pulp-calcification-in-traumatized-primary-teeth-classification-clinical-and-radiographic-aspects
#11
Anna Carolina Volpi Mello-Moura, Ana Maria Antunes Santos, Gabriela Azevedo Vasconcelos Cunha Bonini, Cristina Giovannetti Del Conte Zardetto, Cacio Moura-Netto, Marcia Turolla Wanderley
OBJECTIVE: The aim of this study was to standardize the nomenclature of pulp alteration to pulp calcification (PC) and to classify it according to type, quantity and location, as well as relate it to clinical and radiographic features. STUDY DESIGN: The dental records of 946 patients from the Research and Clinical Center for Dental Trauma in Primary Teeth were studied. Two hundred and fifty PC-traumatized upper deciduous incisors were detected. RESULTS: According to radiographic analysis of the records, 62...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937898/selective-reduction-of-talon-cusps-a-case-series
#12
Rona Leith, Anne C O'Connell
Talon cusps associated with permanent incisors are a rare occurrence but can cause numerous complications. When treatment is indicated options include radical or selective reduction of the accessory cusp, but there is no standard protocol for management. STUDY DESIGN: Patients referred to the Dublin Dental University Hospital for treatment of talon cusps were identified, contacted and consent obtained. Clinical notes, photographs and radiographs were retrospectively reviewed. RESULTS: Eleven patients with 14 talon cusps were identified...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937897/the-role-of-genetic-factors-in-the-outbreak-mechanism-of-dental-caries
#13
Junko Shimomura-Kuroki, Tomoko Nashida, Yukio Miyagawa, Tsuneo Sekimoto
OBJECTIVE: The aim of the present study was to investigate the relationships between cariogenic bacterial infection and single nucleotide polymorphisms (SNPs) in candidate genes associated with dental caries, and to explore the factors related to caries in children. STUDY DESIGN: Children aged 3 to 11 years were selected. Detection of cariogenic bacteria (Streptococcus mutans, Streptococcus oralis, Streptococcus sobrinus and Lactobacillus) from the plaque of each patient, and SNP analyses of five candidate genes (MBL2, TAS2R38, GLUT2, MMP13 and CA6) were performed using DNA isolated from buccal mucosal cells...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937895/supernumerary-teeth-in-the-maxillary-anterior-region-the-dilemma-of-early-versus-late-surgical-intervention
#14
Ofer Sarne, Yehoshua Shapira, Sigalit Blumer, Tamar Finkelstein, Shirley Schonberger, Naomi Bechor, Nir Shpack
Supernumerary teeth are the most common developmental dental anomalies in the maxillary anterior region causing interference to the developing permanent incisors resulting in poor dental and facial esthetics. Two different opinions regarding the timing for surgical removal of the supernumerary teeth are presented. In this case report, three brothers with supernumerary teeth in the maxillary anterior region are presented, their surgical and orthodontic management and outcome are discussed.
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937894/microbiologic-evaluation-of-cotton-and-polytetrafluoroethylene-ptfe-tape-as-endodontic-spacer-materials-in-primary-molars-an-in-vivo-study
#15
Attiguppe Ramasetty Prabhakar, Kratika Dixit, O S Raju
OBJECTIVE: PTFE tape, which is commonly used as plumber's tape is an inorganic, non-fibrous, ribbon like material. The aim of this study was to evaluate PTFE tape as endodontic spacer material and to compare it with commonly used spacer material that is cotton, in primary teeth. STUDY DESIGN: Seventeen children undergoing pulpectomy of lower second primary molar bilaterally were included in the study. Cotton and PTFE tape were placed as spacers on each side randomly...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937893/effect-of-enamel-deproteinization-in-primary-teeth
#16
Ananthi Christopher, R Krishnakumar, N Venugopal Reddy, G Rohini
OBJECTIVE: To evaluate and compare the topographical features of enamel surface, etched with different materials. STUDY DESIGN: 10 extracted human primary molars were randomly selected and cut and trimmed to 1 mm(2). Each group comprised of 10 blocks and the enamel was treated as follows: Group I-35% H3PO4; Group II-5.25% NaOCl + 35% H3PO4 ;Group III-5.25% NaOCl; Group IV no treatment was carried out. All the samples were prepared for Scanning electron microscope analysis...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937889/clinical-evaluation-of-ozone-on-dentinal-lesions-in-young-permanent-molars-using-the-stepwise-excavation
#17
Osama Safwat, Mona Elkateb, Karin Dowidar, Omar El Meligy
AIM: To evaluate the clinical changes in dentin of deep carious lesions in young permanent molars, following ozone application with and without the use of a remineralizing solution, using the stepwise excavation. STUDY DESIGN: The sample included 162 first permanent immature molars, showing deep occlusal carious cavities that were indicated for indirect pulp capping. Teeth were divided into 2 main groups according to the method of ozone treatment. Each group was further subdivided equally into test and control subgroups...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937389/incontinentia-pigmenti-an-x-linked-dominant-disorder-in-a-2-year-old-boy-with-klinefelter-syndrome
#18
Abhilasha Williams, Laxmisha Chandrashekar, Vivi M Srivastava, Meera Thomas, Saban Horo, Renu George
Incontinentia pigmenti (IP) is a rare X-linked dominant disorder, in which skin lesions distributed along Blaschko's lines appear shortly after birth. Early lesions which are erythematous/bullous evolve over time into warty lesions, hyperpigmented swirls/macules, and atrophic hypopigmented streaks. Clinical features are heterogeneous. Abnormalities of the teeth, nails, hair, eyes, central nervous system, and breast may also be present. While intelligence is generally normal, varied degrees of intellectual disability/developmental delay have been reported...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28937285/assessment-of-automatic-segmentation%C3%A2-of-teeth-using%C3%A2-a-watershed-based-method
#19
Antoine Galibourg, Jean Dumoncel, Norbert Telmon, Adèle Calvet, Jérôme Michetti, Delphine Maret
OBJECTIVES: Tooth 3D automatic segmentation (AS) is being actively developed in research and clinical fields. Here, we assess the effect of automatic segmentation using a watershed-based method on the accuracy and reproducibility of 3D reconstructions in volumetric measurements by comparing it with a semi-automatic (SAS) method that has already been validated. METHODS: The study sample comprised 52 teeth, scanned with micro computed tomography (micro CT) (41µm voxel size) and cone beam computed tomography (CBCT) (76 ; 200 and 300 µm voxel size)...
September 21, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28937116/gliding-easily-between-the-teeth
#20
(no author information available yet)
No abstract text is available yet for this article.
September 22, 2017: British Dental Journal
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