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https://www.readbyqxmd.com/read/28806748/temperature-effects-on-gene-expression-and-morphological-development-of-european-eel-anguilla-anguilla-larvae
#1
Sebastian N Politis, David Mazurais, Arianna Servili, Jose-Luis Zambonino-Infante, Joanna J Miest, Sune R Sørensen, Jonna Tomkiewicz, Ian A E Butts
Temperature is important for optimization of rearing conditions in aquaculture, especially during the critical early life history stages of fish. Here, we experimentally investigated the impact of temperature (16, 18, 20, 22 and 24°C) on thermally induced phenotypic variability, from larval hatch to first-feeding, and the linked expression of targeted genes [heat shock proteins (hsp), growth hormone (gh) and insulin-like growth factors (igf)] associated to larval performance of European eel, Anguilla anguilla...
2017: PloS One
https://www.readbyqxmd.com/read/28806687/mineralization-defects-are-comparable-in-fluorotic-impacted-human-teeth-and-fluorotic-mouse-incisors
#2
Rozita Jalali, Franck Guy, Samaneh Ghazanfari, Don Lyaruu, Leo van Ruijven, Pamela DenBesten, Stefania Martignon, Gina Castiblanco, Antonius L J J Bronckers
OBJECTIVE: Fluoride excess of 0.05-0.07mgF/kgbw/day in water or food additives like salt is the principal cause of endemic dental fluorosis. How fluoride causes these defects is not clear yet. Recent studies in rodents suggest that development of enamel fluorosis is associated with insufficient neutralization of protons released during the formation of hypermineralized lines. DESIGN: Here we examined whether hypermineralization could also be assessed by MicroCT in developing molar enamel of humans exposed to fluoride...
July 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28806432/post-and-core-restoration-of-severely-damaged-permanent-posterior-teeth-in-young-adolescents
#3
Nili Tickotsky, Roy Petel, Yael Haim, Maysa Ghrayeb, Moti Moskovitz
PURPOSE: This retrospective study evaluated the survival rates of postendodontic severely decayed posterior permanent teeth in young adolescents. MATERIALS AND METHODS: A total of 48 teeth (patient age range: 8.8-16.9 years) restored with a Kurer post- and core-system (Anchor System, Kurer K4) were assessed. Follow-up appointments 1 to 6 years posttreatment included radiographs and a clinical examination. RESULTS: A total of 5 teeth (10.4%) were extracted, and 13 restorations (27%) required repair...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806426/comparative-evaluation-of-the-effect-of-laser-etching-on-the-shear-bond-strength-of-crowns-cemented-with-two-different-luting-agents-an-in-vitro-study
#4
Ankur Dahiya, Paresh Gandhi, Nadim Z Baba
PURPOSE: The aim of this study was to compare the shear bond strength of crowns cemented on natural teeth after surface treatment of the enamel with an erbium-doped yttrium aluminum garnet (Er:YAG) laser. MATERIALS AND METHODS: Crown preparation was done for 40 full-metal crowns, and wax patterns with loops were cast in a cobalt-chromium alloy. The Er:YAG laser was used for surface treatment of some teeth, and teeth without surface treatment acted as the control...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806378/gummy-smile-correction-using-lingual-orthodontics-and-augmented-corticotomy-in-extremely-thin-alveolar-housing
#5
Kyung-Yen Nahm, Seung-Yun Shin, Hyo-Won Ahn, Seong-Hun Kim, Gerald Nelson
BACKGROUND: Tooth movement out of anatomic limitations was assisted by augmented corticotomy using deproteinized bovine bone mineral. METHODS: Lip protrusion can be reduced by premolar extraction followed by retraction of the anterior teeth. Surgical intervention is appropriate when the alveolar bone housing of the anterior region is insufficient for the tooth movement. In this patient, corticotomy in upper palatal area and anterior segmented osteotomy in the mandible were performed...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806115/-combined-treatment-of-avulsion-of-maxillary-central-incisors
#6
Katalin Vajda, Gergő Fekecs, Zsófia Muzsek
Avulsion of the permanent teeth is one of the most serious forms of traumatic dental injuries, which endangers the patients' quality of life. Therefore, the fast and proper treatment is crucial. In this case report we will discuss the supportive and definitive functional treatment and correct rehabilitation. The traumatic force can cause complex oral and maxillofacial injuries, which comprehensive treatment constitutes a major challenge for the dentist. Here we review functional restoration of dental injuries and their definitive aesthetic solution...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28805207/periodontal-diseases
#7
REVIEW
Denis F Kinane, Panagiota G Stathopoulou, Panos N Papapanou
Periodontal diseases comprise a wide range of inflammatory conditions that affect the supporting structures of the teeth (the gingiva, bone and periodontal ligament), which could lead to tooth loss and contribute to systemic inflammation. Chronic periodontitis predominantly affects adults, but aggressive periodontitis may occasionally occur in children. Periodontal disease initiation and propagation is through a dysbiosis of the commensal oral microbiota (dental plaque), which then interacts with the immune defences of the host, leading to inflammation and disease...
June 22, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28805103/dentoalveolar-oral-surgery-in-children-and-adolescents-organization-and-surgical-treatment-in-a-large-danish-municipal-dental-service
#8
Anni Birgitte Grønbæk, Flemming Petersen, Dorte Haubek, Sven Poulsen
OBJECTIVE: To describe a population-based organization of dentoalveolar surgical service for 0 to 18-year old subjects in a Danish municipal dental service, and analyze the type of dentoalveolar surgical interventions needed. MATERIAL AND METHODS: The study was conducted in the Municipality of Aarhus, Denmark during five consecutive school-years. An internal referral system was established within the municipality where patients could be referred to colleagues with a higher level of competencies and more experiences with paediatric dentoalveolar surgery...
August 13, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28804786/health-impact-assessment-of-the-uk-soft-drinks-industry-levy-a-comparative-risk-assessment-modelling-study
#9
Adam D M Briggs, Oliver T Mytton, Ariane Kehlbacher, Richard Tiffin, Ahmed Elhussein, Mike Rayner, Susan A Jebb, Tony Blakely, Peter Scarborough
BACKGROUND: In March, 2016, the UK Government proposed a tiered levy on sugar-sweetened beverages (SSBs; high tax for drinks with >8 g of sugar per 100 mL, moderate tax for 5-8 g, and no tax for <5 g). We estimate the effect of possible industry responses to the levy on obesity, diabetes, and dental caries. METHODS: We modelled three possible industry responses: reformulation to reduce sugar concentration, an increase of product price, and a change of the market share of high-sugar, mid-sugar, and low-sugar drinks...
January 2017: Lancet. Public Health
https://www.readbyqxmd.com/read/28804748/health-of-children-living-near-coal-ash
#10
Clara G Sears, Kristina M Zierold
Coal ash, generated from coal combustion, is composed of small particles containing metals and other elements, such as metalloids. Coal ash is stored in open-air impoundments, frequently near communities. The objective of this study was to evaluate the prevalence of health and sleep problems in children living near coal ash and compare these prevalences to children not living near coal ash. In 2013 to 2014, we conducted a cross-sectional survey in a community adjacent to coal ash storage sites and a community not exposed to coal ash...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28803805/three-dimensional-evaluation-of-molar-buccolingual-inclinations-after-orthodontic-treatment-using-edgewise-mechanics
#11
Branson Billings, Lana Helms, Katherine Kula, Achint Utreja, George Eckert, Ahmed Ghoneima
OBJECTIVES: The purpose of this study was to measure changes in buccolingual inclination and in thickness of maxillary and mandibular buccal and lingual bone of maxillary and mandibular molars following orthodontic treatment using edgewise mechanics. MATERIALS AND METHODS: Cone-beam computed tomography scans of 48 patients taken before and after completion of comprehensive orthodontic treatment were collected for this retrospective study. Buccolingual molar inclinations were reported as angular measurements using the long axis of the teeth and inferior border of the nasal floor and inferior border of the mandible, respectively...
August 10, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28803735/previously-successful-dental-implants-can-fail-when-patients-commence-anti-resorptive-therapy-a-case-series
#12
M A Pogrel, S L Ruggiero
This article reports a type of localized osteonecrosis that can occur in patients who have had successful osseointegrated implants for many years and then commence anti-resorptive therapy. Eleven female patients were identified who had successful implant insertion, but who were placed on anti-resorptive therapy (bisphosphonates or denosumab) several years later and developed osteonecrosis around the implants. In each case, the osteonecrosis occurred only around the implants and not around the patient's remaining teeth...
August 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28803674/healing-of-apical-periodontitis-after-nonsurgical-treatment-in-patients-with-type-2-diabetes
#13
Suman Arya, Jigyasa Duhan, Sanjay Tewari, Pankaj Sangwan, Veena Ghalaut, Sameer Aggarwal
INTRODUCTION: The purpose of this prospective study was to compare the success of primary root canal treatment between type 2 diabetic and nondiabetic patients and to investigate the effect of periapical healing on glycated hemoglobin (HbA1c) in type 2 diabetic patients with apical periodontitis. METHODS: Sixty mandibular molars with necrotic pulps and apical radiolucency (size ≥ 2 mm × 2 mm) were included in the study. Based on the HbA1c levels, patients were divided into 2 groups: type 2 diabetic (HbA1c ≥6...
August 10, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28802114/embryonic-and-fetal-morphology-in-the-lowland-paca-cuniculus-paca-a-precocial-hystricomorph-rodent
#14
Hani Rocha El Bizri, Frederico Ozanan Barros Monteiro, Rafael Dos Santos de Andrade, João Valsecchi, Diva Anelie de Araújo Guimarães, Pedro Mayor
In mammals, the embryonic and fetal development of a species has evolved to maximize neonatal survival. In this study, we use a sample of 132 embryos/fetuses of wild lowland paca (Cuniculus paca), obtained over a period of 15 years through collaborative methods with local hunters in the Amazon to describe the intrauterine development of external and internal morphology of this Neotropical rodent. We also compare the newborn survival strategy in this species with other rodents. The crown-rump length (CRL) ranged between 0...
August 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/28801830/cloning-and-expression-analysis-of-human-amelogenin-in-nicotiana-benthamiana-plants-by-means-of-a-transient-expression-system
#15
Mattia Pegoraro, Slavica Matić, Barbara Pergolizzi, Luca Iannarelli, Andrea M Rossi, Marco Morra, Emanuela Noris
Enamel is the covering tissue of teeth, made of regularly arranged hydroxyapatite crystals deposited on an organic matrix composed of 90% amelogenin that is completely degraded at the end of the enamel formation process. Amelogenin has a biomineralizing activity, forming nanoparticles or nanoribbons that guide hydroxyapatite deposit, and regenerative functions in bone and vascular tissue and in wound healing. Biotechnological products containing amelogenin seem to facilitate these processes. Here, we describe the production of human amelogenin in plants by transient transformation of Nicotiana benthamiana with constructs carrying synthetic genes with optimized human or plant codons...
August 11, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28801810/effects-of-pbm-in-different-energy-densities-and-irradiance-on-maintaining-cell-viability-and-proliferation-of-pulp-fibroblasts-from-human-primary-teeth
#16
Nádia Carolina Teixeira Marques, Natalino Lourenço Neto, Mariel Tavares Oliveira Prado, Luciana Lourenço Ribeiro Vitor, Rodrigo Cardoso Oliveira, Vivien Thiemy Sakai, Carlos Ferreira Santos, Maria Aparecida Andrade Moreira Machado, Thais Marchini Oliveira
This study aimed to compare the effects of photobiomodulation (PBM) in different energy densities and irradiances on maintaining cell viability, and proliferation of pulp fibroblasts from human primary teeth (HPF) were cultured in DMEM and used between the fourth and eighth passages. Then, HPF were irradiated with the following different energy densities: 1.25 J/cm(2) (a), 2.50 J/cm(2) (b), 3.75 J/cm(2) (c), 5.00 J/cm(2) (d), and 6.25 J/cm(2) (e); but varying either the time of irradiation (groups 1a-1e) or the output power (groups 2a-2e)...
August 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28801337/stabbing-pain-in-the-throat-after-teeth-cleaning
#17
Sara Ersözü, Daniel Hofmänner, Dagmar I Keller
No abstract text is available yet for this article.
August 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28800903/endodontically-treated-teeth-that-receive-nonsurgical-periodontal-treatment-are-more-likely-to-develop-apical-periodontitis-than-periodontally-healthy-teeth
#18
Romina Brignardello-Petersen
No abstract text is available yet for this article.
August 5, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28800670/-oral-health-and-pregnancy-patient-survey-using-a-questionnaire
#19
Tobias Odermatt, Andreas Schötzau, Irene Hoesli
Introduction and Hypothesis This study investigated how well pregnant patients were informed about the causes and effects of gingivitis during pregnancy. Factors such as age, level of education and nationality were taken into account. Data was collected for the overall oral hygiene of the patients and differences between outpatient and inpatient pregnancies were shown. Possible risk factors in terms of birth results were also defined. Methods With the use of a questionnaire, 83 patients (40 outpatients/43 inpatients) were asked about their oral hygiene, as well as their knowledge pertaining to the causes and effects of gingivitis...
August 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28800146/the-relationship-between-open-versus-normal-contact-point-and-inter-proximal-papilla-dimensions-in-periodontally-healthy-young-adults-a-controlled-clinical-trial
#20
Ronaldo Barcellos de Santana, Jose Luis Carneiro de Miranda, Carolina Miller Mattos de Santana
AIM: The gingival architecture is determined by the spatial orientation of the gingival zenith (GZ) and the interdental papillae (IP). Among the factors commonly associated with the presence and morphology of the IP, the contact point (CP) and the interdental distance relationships have been considered the most important. The objective of the present controlled clinical trial was to evaluate the role of the CP in determining the clinical and morphometric parameters of the interdental papilla...
August 11, 2017: Journal of Clinical Periodontology
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