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https://www.readbyqxmd.com/read/29786880/metagenomic-study-of-bacterial-microbiota-in-persistent-endodontic-infections-using-next-generation-sequencing
#1
G Sánchez-Sanhueza, H Bello-Toledo, G González-Rocha, A T Gonçalves, V Valenzuela, C Gallardo-Escárate
AIM: To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY: Bacterial samples from root canals associated with teeth having persistent apical periodontitis were taken from 24 patients undergoing root canal retreatment. Bacterial DNA was extracted, and V3-V4 variable regions of the 16S rRNA gene were amplified...
May 22, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29786703/12-years-preservation-of-maxillary-permanent-incisors-with-cervical-root-fractures-adjacent-to-aggressive-periodontitis-report-of-a-case
#2
Sandra Tobiska, Gabriel Krastl
This case report presents long-term results following horizontal root fracture of both maxillary central incisors in a 19-year-old woman with aggressive periodontitis. Due to extensive marginal bone loss and the close proximity of the fracture lines to the bottoms of the periodontal pockets, the prognosis of both teeth was uncertain at the time of the accident. Nevertheless, a conservative treatment strategy consisting of splinting and nonsurgical periodontal therapy was initiated. Follow-up at 12 years after the start of treatment revealed a stable situation from clinical and radiologic perspectives...
May 17, 2018: Quintessence International
https://www.readbyqxmd.com/read/29786654/a-comparative-study-of-oral-health-status-between-international-and-japanese-university-student-patients-in-japan
#3
Ai Ohsato, Masanobu Abe, Kazumi Ohkubo, Hidemi Yoshimasu, Liang Zong, Kazuto Hoshi, Tsuyoshi Takato, Shintaro Yanagimoto, Kazuhiko Yamamoto
Background: The number of international students enrolled in universities in Japan is increasing. To provide better oral care services for international students, we have to understand their oral environment and dental health behaviors. However, few studies have investigated the oral health status of international university students. The object of the present study was to clarify the current oral status of international university students. Methods: The subjects were students who visited the dental department at the University of Tokyo's Health Services Center between April 2012 and March 2013...
May 22, 2018: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29786582/characteristics-of-epidemiology-of-dental-caries-in-children-from-regions-with-high-and-optimum-fluorine-content-in-drinking-water
#4
Valentina Trufanova, Olha Sheshukova, Vadym Davydenko, Tetiana Polishchuk, Sofia Bauman, Vitalina Dobroskok
OBJECTIVE: Introduction: Prevention of dental diseases in children is the priority item on the modern dentistry agenda. Among the undeniable factors known as contributing into caries incidence, there is fluoride content in the external environment, especially in drinking water, which is the main source of fluoride intake. The aim: This study is aimed at evaluating dental caries indices in children and adolescents inhabiting in areas with optimal and high-level fluoride concentration in drinking water and assessing their level of oral hygiene...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786466/mineralo-organic-nanoparticles-in-health-and-disease-an-overview-of-recent-findings
#5
Jan Martel, Cheng-Yeu Wu, Hsin-Hsin Peng, John D Young
We observed earlier that mineralo-organic nanoparticles form in human body fluids when the concentrations of calcium, carbonate and phosphate exceed saturation. The particles have been shown to represent mineral precursors in developing bones and teeth as well as in ectopic calcification and kidney stones. Recent studies suggest that the mineral particles may also be involved in other physiological processes, including immune tolerance against the gut microbiota and food antigens. We review here the involvement of mineralo-organic nanoparticles in physiological and pathological processes and discuss recent findings that reveal novel and unexpected roles for these particles in the human body...
May 22, 2018: Nanomedicine
https://www.readbyqxmd.com/read/29785794/the-development-of-nonanatomic-denture-occlusion-part-iv
#6
Robert L Engelmeier
This fourth and final part of a four-part series concerned with the development of nonanatomic denture occlusion follows nonanatomic tooth design from the time of Victor Sears' first nonanatomic tooth patent through the end of the 20th century. Part IV concentrates on nonanatomic teeth developed during the last five decades of the 20th century. Many of the designs featured in this series exhibited genius, while others are pure nonsense. Sears claimed that a new nonanatomic tooth design appeared every 9 months on average during the first 30 years of nonanatomic tooth production...
May 21, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29785163/management-of-intrinsic-discoloration-using-walking-bleach-technique-in-maxillary-central-incisors
#7
Sanket Hans Pandey, Pallav Mahesh Patni, Pradeep Jain, Arpita Chaturvedi
Introduction: Non-vital bleaching is a non-invasive technique to treat the intrinsic discoloration of teeth of several etiologies. Hydrogen peroxide and sodium perborate are commonly used bleaching agents. Aim: The aim of this case report is to demonstrate the non-vital bleaching technique in maxillary anterior teeth. Method: Maxillary central incisors were isolated with rubber dam and root canal treatment was performed. Barrier space preparation was done using a heated instrument...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29784008/socio-demographic-factors-dental-status-and-health-related-behaviors-associated-with-geriatric-oral-health-related-quality-of-life-in-southwestern-china
#8
Rui Shao, Tao Hu, Yi-Si Zhong, Xue Li, Yi-Bo Gao, Yi-Fan Wang, Wei Yin
BACKGROUND: The aging of Chinese society has increased interest in improving the health-related quality of life (HRQoL) of the elderly, including their oral health-related quality of life (OHRQoL). This study aims to evaluate the OHRQoL of elders living in Sichuan Province (China) and to explore the explanatory factors of their OHRQoL. METHODS: A cross-sectional study conducted in 2016 in the Sichuan Province analyzed data from 744 elders, aged 65 to 74 years (mean age 69...
May 21, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29783263/monitoring-of-efficiency-of-dental-caries-management-in-children-s-temporary-teeth-throughout-poltava-oblast
#9
Olha V Sheshukova, Valentina P Trufanova, Tetiana V Polishchuk, Kateryna S Kazakova, Sofiya S Bauman, Natalia A Lyakhova, Iryna M Tkachenko
OBJECTIVE: Introduction: Dental caries is still a major health care problem not only in Ukraine but throughout the world. Complicated dental caries currently ranks the leading position among the oral diseases in children. The aim of this study is to carry out a analysis of the epidemiology of dental caries and its complications, and to evaluate the efficiency of the caries treatment for temporary teeth among the children of Poltava oblast over the last decade based on the data of the annual reports...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783243/-electromyographic-characteristics-of-temporal-and-masticatory-muscles-in-patients-with-compression-dislocation-dysfunction-of-temporomandibular-joints-of-different-severity
#10
Pavlo I Yatsenko, Oleg V Rybalov, Oleg I Yatsenko, Vadym M Novikov, Dmytro M Kоrol, Dmytro D Kindiy, Victor D Kindiy
OBJECTIVE: Introduction: The main causes of dysfunctional conditions of the temporomandibular joints (TMJ), are occlusal, neurogenic, orthodontic disorders. The muscular component of TMJ is determines the dynamic anatomical and functional state of the mandible Therefore, in the diagnosis of dysfunctions and understanding of their pathogenesis belongs to the electromyographic method of investigation. The aim of the work was a comparative assessment of the bioelectrical activity of the actual chewing and temporal muscles in patients with musculo-articular compressiondislocation dysfunction of the TMJ of various severity...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783212/changes-in-biochemical-parameters-of-oral-fluid-in-patients-during-the-orthodontic-treatment-with-a-bracket-system-under-the-action-of-a-developed-mucosal-gel-with-probiotic
#11
Anna V Voronkova, Lyubov V Smaglyuk
OBJECTIVE: Introduction: Many research studies involving orthodontic patients focus on changes in levels of oral microbiocenosis after bracket placement. Based upon this the objective of the current study was to determine the effect of the developed mucosal gel with probiotics on the biochemical parameters of the oral fluid of patients during the orthodontic treatment with a bracket system. The aim: Aim of our study is to determine the effect of the developed mucosal gel with probiotics on the biochemical parameters of the oral fluid of patients during the orthodontic treatment with a bracket system...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782221/effect-of-surface-sealant-reapplication-on-clinical-performance-of-hema-containing-and-hema-free-self-etch-adhesives-two-year-results
#12
N Tekçe, M Demirci, S Tuncer, S A Göktürk
PURPOSE: To evaluate the clinical performance of one-step self-etch adhesives over two years with and without the application of a surface sealant. METHODS AND MATERIALS: In total, 160 restorations in 40 patients were performed for occlusal caries. Each patient received four Class I restorations, which included a 2-hydroxyethyl methacrylate (HEMA)-containing (Clearfil S3 Bond) and HEMA-free (G-aenial Bond) one-step self-etch adhesive system with and without surface sealant...
May 21, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29782197/dental-pain-and-oral-health-related-quality-of-life-in-individuals-with-severe-dental-anxiety
#13
Lisa Svensson, Magnus Hakeberg, Ulla Wide
OBJECTIVES: To analyze the prevalence and level of dental pain among adult individuals with severe dental anxiety (DA), and the association between dental pain and oral health-related quality of life (OHRQoL). METHODS: The study was based on 170 adult individuals with DA referred to a specialized DA clinic. All patients answered a questionnaire including questions on DA (DAS, DFS), OHRQoL (OIDP) and dental pain. An adapted clinical examination and a panoramic radiograph revealed the present oral status...
May 21, 2018: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29782041/meta-analysis-of-brain-mechanisms-of-chewing-and-clenching-movements
#14
Chia-Shu Lin
BACKGROUND: Functional magnetic resonance imaging (fMRI) is widely used for investigating brain activation patterns associated with chewing and clenching movements. Whether studies consistently identify similar brain loci engaged in these movements remains unknown. OBJECTIVE: We investigated the consistency with which specific brain loci were reported to be activated during teeth-occluding movements, using the activation likelihood estimation (ALE) meta-analysis...
May 21, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29781538/relationship-between-autoantibody-associated-with-rheumatoid-arthritis-and-tooth-loss
#15
Yuko Hayashi, George Taylor, Akihiro Yoshihara, Masanori Iwasaki, Stuart A Gansky, Hideo Miyazaki
INTRODUCTION: This study evaluated the relationship between serum Rheumatoid Factor (RF) levels and tooth loss in a community-dwelling elderly Japanese women. It was hypothesised that women with high baseline RF levels would experience greater tooth loss over 10 years than age-matched women with lower baseline serum RF levels. MATERIALS AND METHODS: The study population consisted of 197 women aged 70 years with ≥12 teeth at baseline. One hundred and twenty-four participants completed a 10-year follow-up and were divided into 2 groups according to their baseline serum RF levels as follows: RF negative (<15 U/mL; n = 114) and RF positive (>15 U/mL; n = 10)...
May 21, 2018: Gerodontology
https://www.readbyqxmd.com/read/29781451/comparisons-of-the-computed-tomographic-scan-and-panoramic-radiography-before-mandibular-third-molar-extraction-surgery
#16
Qian Luo, Wanglun Diao, Lan Luo, Yong Zhang
BACKGROUND Mandibular third molar extraction surgery has a postoperative complication of hypoesthesia of the lower lip and/or chin. The objective of the study was to determine if preoperative radiographic examination by panoramic radiography and computed tomography (CT) scan can predict postoperative complications of mandibular third molar extraction surgery. MATERIAL AND METHODS In total, 479 patients who had mandibular third molar extraction surgery were included in this cross-sectional study. Patients had panoramic radiographies and CT scans to determine the relationship of the tooth, the canal, and the buccolingual position...
May 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29781422/spirocerca-vulpis-sp-nov-spiruridae-spirocercidae-description-of-a-new-nematode-species-of-the-red-fox-vulpes-vulpes-carnivora-canidae
#17
Alicia Rojas, Gloria Sanchis-Monsonís, Amer Alić, Adnan Hodžić, Domenico Otranto, Daniel Yasur-Landau, Carlos Martínez-Carrasco, Gad Baneth
Previous studies have reported nematodes of the Spirocercidae family in the stomach nodules of red foxes (Vulpes vulpes) described as Spirocerca sp. or Spirocerca lupi (Rudolphi, 1819). We characterized spirurid worms collected from red foxes and compared them to S. lupi from domestic dogs by morphometric and phylogenetic analyses. Nematodes from red foxes differed from S. lupi by the presence of six triangular teeth-like buccal capsule structures, which are absent in the latter. Additionally, in female worms from red foxes, the distance of the vulva opening to the anterior end and the ratio of the glandular-to-muscular oesophagus lengths were larger than those of S...
May 21, 2018: Parasitology
https://www.readbyqxmd.com/read/29780745/impact-of-minimal-root-canal-taper-on-the-fracture-resistance-of-endodontically-treated-bicuspids
#18
Carla Zogheib, Germain Sfeir, Gianluca Plotino, Gustavo De Deus, Maha Daou, Issam Khalil
Objective: Minimal invasive endodontics preserve coronal and radicular tooth structure to increase the fracture resistance of teeth. The aim of this study was to assess the influence of final preparation taper on the fracture resistance of maxillary premolars. Materials and Methods: Sixty maxillary premolars were selected and divided into 2 groups: 30 were shaped with a final apical diameter 30 and a 4% taper and 30 with 6% taper using iRaCe® instrument (FKG dentaire, Switzerland)...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29780744/employing-dimensional-disparity-of-teeth-to-establish-the-gender-in-odisha-population-a-dimorphic-study
#19
Kailash Chandra Dash, Abikshyeet Panda, Shyam Sundar Behura, Sujatha Ramachandra, Lipsa Bhuyan, Alokenath Bandopadhyay
Aims and Objectives: Determination of sex is one of the most important and crucial steps in forensic science. Sexual dimorphism using odontometric analysis is found to vary in different populations making it necessary to attain values of a specific population which helps the identification possible. This present study attempts to establish sexual dimorphism using odontometric analysis in Odisha population. Materials and Methods: A total of 200 subjects (100 male and 100 female) between ages 18 and 25 years were included in the study...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29780742/caries-risk-assessment-of-12-13-year-old-government-and-private-school-going-children-of-mysore-city-using-cariogram-a-comparative-study
#20
Sandhya P Naik, Shabna Moyin, Bhakti Patel, Lata Prabhu Warad, Sameer Punathil, C B Sudeep
Aim: The aim of this study is to assess the caries risk assessment of 12-13-year-old government and private school going children of Mysore city using Cariogram. Materials and Methods: A cross-sectional examination was carried out on a total of 104 government and private schoolchildren aged 12-13 years. Ten factors from the Cariogram software(D Bratthall, Computer software, Malmo, Sweden) were included from study participant's records to complete the Cariogram. The percentage of "chances of avoiding new lesions" (caries risk) among government and private school study participants were obtained from Cariogram, and the participants were classified into five risk groups...
March 2018: Journal of International Society of Preventive & Community Dentistry
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