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https://www.readbyqxmd.com/read/28918361/daytime-sleepiness-and-related-factors-in-nursing-students
#1
Gökçe Demir
BACKGROUND: Evaluation of the frequency and causes of daytime sleepiness in nursing students because it is an important factor in improving the health status of the students, controlling sleep problems, improving students' academic achievements, and maintaining a healthy lifestyle. AIM: The aim of this study was to determine the prevalence of daytime sleepiness in nursing students and the factors associated with it. DESIGN: A cross-sectional research design was used in this study...
August 26, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28918172/melatonin-and-periodontal-tissues-molecular-and-clinical-perspectives
#2
REVIEW
Agata Rita Carpentieri, María Elena Peralta Lopez, Javier Aguilar, Verónica Mariana Solá
Periodontal disease is a frequent chronic inflammatory pathology that implies the destruction of the tissues supporting the teeth, which represents a high sanitary cost. It usually appears associated with other systemic conditions such as diabetes, metabolic syndrome, depression and Alzheimer disease among others. The presence of melatonin and its receptors in the oral cavity supports the hypothesis that this hormone could play a role in homeostasis of periodontal tissues. In the present review we will discuss the potential role of melatonin, a circadian synchronizing hormone, with proved antiinflammatory and antioxidant profile, in the pathogenesis and treatment of periodontitis...
September 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28918101/silver-diamine-fluoride-remineralized-artificial-incipient-caries-in-permanent-teeth-after-bacterial-ph-cycling-in-vitro
#3
Kulnipa Punyanirun, Thanida Yospiboonwong, Thansinee Kunapinun, Panida Thanyasrisung, Chutima Trairatvorakul
OBJECTIVES: To investigate the remineralizing effect of 38% silver diamine fluoride (SDF) application on enamel artificial caries in adjunct to 1000ppm fluoride toothpaste compared with fluoride toothpaste alone by analyzing the mineral density, depth of remineralization, and remineralization percentage of the lesions. METHODS: Eighteen artificial caries slabs were created from the proximal surfaces of nine chemically demineralized premolars. The slabs were scanned by Micro-Computed Tomography (Micro-CT) to determine the baseline mineral density of the initial lesions and randomly allocated into 2 groups...
September 13, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28917719/polymorphisms-in-manganese-transporters-show-developmental-stage-and-sex-specific-associations-with-manganese-concentrations-in-primary-teeth
#4
Karin Wahlberg, Manish Arora, Austen Curtin, Paul Curtin, Robert O Wright, Donald R Smith, Roberto G Lucchini, Karin Broberg, Christine Austin
BACKGROUND: Manganese (Mn) is an essential metal that can become neurotoxic at elevated levels with negative consequences on neurodevelopment. We have evaluated the influence of single nucleotide polymorphisms (SNPs) in Mn transporter genes SLC30A10 and SLC39A8 on Mn concentrations in dentine, a validated biomarker that reflects Mn tissue concentrations early in life. METHODS: The study included 195 children with variable environmental Mn exposure. Mn concentrations in dentine representing fetal, early postnatal and early childhood developmental periods were measured using laser ablation-inductively coupled plasma mass spectrometry...
September 13, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28917577/direct-pulp-capping-with-calcium-hydroxide-mineral-trioxide-aggregate-and-biodentine-in%C3%A2-permanent-young-teeth-with-caries-a%C3%A2-randomized-clinical-trial
#5
Claudia Brizuela, Andrea Ormeño, Carolina Cabrera, Roxana Cabezas, Carolina Inostroza Silva, Valeria Ramírez, Montse Mercade
INTRODUCTION: Direct pulp capping treatment is intended to preserve pulp vitality, to avoid or retard root canal treatment, and, in cases with an open apex, to allow continued root development. Historically, calcium hydroxide (CH) was the gold standard material, but nowadays calcium silicate materials (CSMs) are displacing CH because of their high bioactivity, biocompatibility, sealing ability, and mechanical properties. However, more randomized clinical trials are needed to confirm the appropriateness of CSMs as replacement materials for CH in direct pulp capping procedures...
September 13, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28917069/knowledge-attitude-and-practice-of-antibiotic-use-and-misuse-among-adults-in-riyadh-saudi-arabia
#6
Nouf Al-Shibani, Abdulaziz Hamed, Nawaf Labban, Reem Al-Kattan, Hanan Al-Otaibi, Sara Alfadda
To assess the knowledge, attitude, and practice of antibiotics (ABs) use and misuse among adults living in Riyadh, Saudi Arabia. Methods: In this cross-sectional study, a self-administered questionnaire was distributed to participants from  March 2016 to January 2017 in the outpatient department of King Khalid University Hospital and Dental Hospital, King Saud University, Riyadh, Saudi Arabia. The questionnaire was divided into 4 sections. The first and second section inquired regarding demographic details and knowledge of ABs...
October 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28916466/a-multi-centered-epidemiological-study-evaluating-the-validity-of-the-treatment-difficulty-indices-developed-by-the-japan-prosthodontic-society
#7
Takuo Kuboki, Tetsuo Ichikawa, Kazuyoshi Baba, Masanori Fujisawa, Hironobu Sato, Hideki Aita, Shigeto Koyama, Masayuki Hideshima, Yuji Sato, Hiroyuki Wake, Aya Kimura-Ono, Kan Nagao, Yorika Kodaira-Ueda, Katsushi Tamaki, Shinsuke Sadamori, Kazuhiro Tsuga, Yasuhiro Nishi, Takashi Sawase, Hisashi Koshino, Shin-Ichi Masumi, Kaoru Sakurai, Kanji Ishibashi, Takashi Ohyama, Yasumasa Akagawa, Toshihiro Hirai, Keiichi Sasaki, Kiyoshi Koyano, Hirofumi Yatani, Hideo Matsumura
PURPOSE: The Japan Prosthodontic Society developed a multi-axis assessment protocol to evaluate the complex variations in patients who need prosthodontic care, and to classify the level of treatment difficulty. A previous report found the protocol to be sufficiently reliable. The purpose of this multi-center cohort study was to evaluate the validity of this multi-axis assessment protocol. METHODS: The treatment difficulty was evaluated using the multi-axis assessment protocol before starting prosthodontic treatment...
September 12, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28916465/corrosive-effects-of-fluoride-on-titanium-under-artificial-biofilm
#8
Azusa Fukushima, Gen Mayanagi, Keiichi Sasaki, Nobuhiro Takahashi
PURPOSE: This study aimed to investigate the effect of sodium fluoride (NaF) on titanium corrosion using a biofilm model, taking environmental pH into account. METHODS: Streptococcus mutans cells were used as the artificial biofilm, and pH at the bacteria-titanium interface was monitored after the addition of 1% glucose with NaF (0, 225 or 900ppmF) at 37°C for 90min. In an immersion test, the titanium samples were immersed in the NaF solution (0, 225 or 900ppm F; pH 4...
September 12, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28915953/syntrophic-imbalance-and-the-etiology-of-bacterial-endoparasitism-diseases
#9
James F White
This article outlines the proposed 'syntrophic imbalance hypothesis' for etiology of bacterial endoparasitism diseases. This hypothesis involves microbes (archaea and bacteria) that exist in human body biofilms in syntrophic associations, where bacteria ferment nutrients to produce short chain fatty acids (SCFAs) that are used by methanogenic archaeons to produce methane. Overgrowth of archaea on human tissues (e.g., in association with intestines, teeth or lungs) results in excessive removal of SCFAs from the biofilms and this triggers bacteria in the free-living biofilm state to convert to the endoparasitic state and become intracellular in host cells where they incite inflammation and disease...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28915303/prevalence-of-functional-dentition-in-a-group-of-mexican-adult-males
#10
Mirna Minaya-Sánchez, Carlo Eduardo Medina-Solís, Juan Fernando Casanova-Rosado, Ana Alicia Vallejos-Sánchez, Alejandro José Casanova-Rosado, María de Lourdes Márquez-Corona, Martha Mendoza-Rodríguez, Gerardo Maupomé
OBJECTIVE: To determine the prevalence of functional dentition and associated periodontal variables in a sample of Mexican adult males. METHODS: A cross-sectional study of 161 policemen in Campeche, Mexico, was carried out. A clinical examination using an electronic probe was used to collect variables (dental plaque, periodontal pockets, gingival recession, suppuration, and bleeding on probing) on 6 periodontal sites (a maximum of 168 sites, excluding third molars)...
September 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/28914903/experimental-demonstration-of-an-apodized-imaging-chip-fiber-grating-coupler-for-si3n4-waveguides
#11
Yang Chen, Thalia Domínguez Bucio, Ali Z Khokhar, Mehdi Banakar, Katarzyna Grabska, Frederic Y Gardes, Robert Halir, Íñigo Molina-Fernández, Pavel Cheben, Jian-Jun He
A silicon nitride waveguide is a promising platform for integrated photonics, particularly due to its low propagation loss compared to other complementary metal-oxide-semiconductor compatible waveguides, including silicon-on-insulator. Input/output coupling in such thin optical waveguides is a key issue for practical implementations. Fiber-to-chip grating couplers in silicon nitride usually exhibit low coupling efficiency because the moderate index contrast leads to weak radiation strengths and poor directionality...
September 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28914597/combination-of-ultrasonic-decontamination-soft-tissue-curettage-and-submucosal-air-polishing-with-povidone-iodine-application-for-non-surgical-therapy-of-peri-implantitis-12-months-clinical-outcomes
#12
Jamal M Stein, Christian Hammächer, Sareh Said-Yekta Michael
BACKGROUND: The aim of this study was to evaluate the clinical outcomes of a concept for non-surgical peri-implantitis combining stepwise mechanical debridement measures with adjuvant Povidone-iodine application with and without systemic antibiotics. METHODS: 45 patients with chronic periodontitis comprising 164 screw-typed implants with peri-implantitis were included. Peri-implantitis was defined as radiographic bone loss of >2 mm, probing pocket depth (PD) ≥5 mm with bleeding on probing (BOP)...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28914595/evaluation-of-gingival-crevicular-fluid-and-peri-implant-sulcus-fluid-levels-of-periostin-a-preliminary-report
#13
Abdullah C Akman, Sezen Buyukozdemir Askin, Guliz N Guncu, Rahime M Nohutcu
BACKGROUND: Periostin, a protein present in the alveolar bone and periodontal ligament, related to response to external forces. The aims of this study are; to detect the levels of periostin in peri-implant sulcular fluid (PISF) and gingival crevicular fluid (GCF), and to evaluate the relationship between periostin, ICTP (Pyridinoline cross-linked carboxyterminal telopeptide of type 1 collagen) and CTX (C-terminal crosslinked telopeptide of type 1 collagen) levels and clinical inflammatory symptoms and duration of functional loading...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28914374/bacterial-penetration-into-filled-root-canals-exposed-to-different-pressures-and-to-the-oral-environment-in-vivo-analysis
#14
Ana Maria Hecke Alves, Maria Helena Pozzobon, Eduardo Antunes Bortoluzzi, Cleonice da Silveira Teixeira, Beatriz Dulcinéia Mendes Souza, Lucas da Fonseca Roberti Garcia, Wilson Tadeu Felippe
OBJECTIVES: The study aims to correlate the depth of bacterial penetration into filled root canals with the time of exposure to the oral environment and different pressures. MATERIALS AND METHODS: One-hundred and twenty-two root canals of male Beagle dog teeth were prepared and filled. The root canals were distributed into three groups, according to the pressure applied: (A) no pressure, (B) 30 kPa, and (C) 60 kPa. Then, the root canals were exposed to the oral environment, establishing sub-groups considering the time intervals of exposure: (1) 45 days and (2) 120 days (n = 17)...
September 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28914255/microabrasion-remineralization-mab-re-an-innovative-approach-for-dental-fluorosis
#15
Anshula Neeraj Deshpande, Neelam Hasmukhbhi Joshi, Neha Rajesh Pradhan, Rameshwari Yahpal Raol
Enamel microabrasion is a noninvasive method that removes intrinsic and superficial defects from teeth aimed to improve dental esthetic with minimal loss of dental tissue. This case presentation describes the attempt for teeth color correction utilizing that conservative technique in a young girl whose maxillary anterior teeth presented an opaque white/brown stain. Along with microabrasion, an innovative approach of application of casein phosphopeptide-amorphous calcium phosphate crème on the tooth, and remineralization was carried out thereby reducing postoperative sensitivity of the treated tooth...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914254/homeopathic-therapy-for-sleep-bruxism-in-a-child-findings-of-a-2-year-case-report
#16
Claudia Tavares Silva, Laura Guimarães Primo, Adrielle Mangabeira, Lucianne Cople Maia, Andrea Fonseca-Gonçalves
Bruxism is a sleep disorder characterized by grinding and biting teeth with multifactorial etiology, resulting in deleterious effects on teeth, periodontium, and temporomandibular joint. There is a lack of scientific evidence evaluating the effectiveness of medicines in treating this parafunction. The present case report was drafted under the rules of CARE checklist. An 8-year-old male patient with sleep bruxism and associated symptoms received a combined homeopathic therapy of Phytolacca decandra 12c and Melissa officinalis 12c for 2 months...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914253/mineral-trioxide-aggregate-induced-apical-closure-in-nonvital-immature-permanent-maxillary-incisor
#17
Meenu Bhola, Virinder Goyal, Parimala Tyagi, Tarun Kumar
Treatment of nonvital immature permanent teeth with calcium hydroxide is associated with few difficulties such as weakened tooth root, root canal reinfection, and long treatment time. Mineral trioxide aggregate (MTA) apical plug method is an alternative treatment method for open apices and has gained popularity in the recent times. This case report describes the management of a late-referral case of periapically involved, traumatized immature permanent incisor by endodontic treatment and the use of MTA apical plug...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914252/unilateral-fourth-fifth-sixth-and-seventh-molar-in-a-nonsyndromic-patient-a-rare-and-unusual-case-report
#18
Pallav Singhal, Vikash Kumar Sah, Alok Kumar, Anu Garg
Multiple supernumerary teeth are rare developmental anomalies which are often associated with syndromes. Only few examples of nonsyndromic supernumerary teeth have been reported with fourth, fifth, sixth, and seventh molar rarest of all. The cause, frequency, complications, and surgical operation of supernumerary teeth are always interesting subjects for study and research. Literature reports increased occurrence of the supernumeraries in the maxilla, but here, a unique and unusual case report of 12-year-old female patient with unilateral multiple impacted supernumerary teeth in the mandible in otherwise healthy individual has been presented...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914251/clinical-and-radiographic-comparison-of-platelet-rich-fibrin-and-mineral-trioxide-aggregate-as-pulpotomy-agents-in-primary-molars
#19
Surendra Patidar, Namita Kalra, Amit Khatri, Rishi Tyagi
AIM: This study aimed to evaluate and compare the Platelet-rich fibrin (PRF) and Mineral trioxide aggregate (MTA) as a pulpotomy agent in primary molars. MATERIAL AND METHODS: In this study, 50 primary molars from 50 healthy children aged 5-9 years requiring pulpotomy were randomly allocated into two groups. In PRF group, after coronal pulp removal and hemostasis, remaining pulp tissue was covered with PRF preparation. In the MTA group, the pulp stumps were covered with MTA (Pro Root MTA-Root Canal Repair Material, Dentsply International Inc...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914250/a-comparative-evaluation-of-retention-of-pit-and-fissure-sealant-bonded-using-sixth-seventh-and-eighth-generation-adhesives-an-in-vivo-study
#20
Mitakshra Nirwan, Anant Gopal Nigam, Nikhil Marwah, Ullal Anand Nayak, Aayushi Bansal, Manvendra Singh Gahlot
INTRODUCTION: Dental caries is one of the most common preventable childhood infections. a number of measures are available to prevent occlusal caries; pit and fissure sealants are one of the various methods currently available to cost effectively reduce dental caries. AIM: To evaluate the retention of pit and fissure sealant bonded using sixth (Adper promt), seventh (Optibond) and eighth (Futurabond Dual Cure) generations of adhesives. SETTINGS AND DESIGN: A total of 37 healthy children who fulfilled the inclusion were randomly selected...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
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