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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
#1
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
https://www.readbyqxmd.com/read/28906507/influence-of-the-diameter-of-dental-implants-replacing-single-molars-3-to-6-year-follow-up
#2
Jose Alfredo Mendonça, Plinio Mendes Senna, Carlos Eduardo Francischone, Carlos Eduardo Francischone Junior, Bruno Salles Sotto-Maior
PURPOSE: The aim of this study was to evaluate the influence of the implant diameter on marginal bone remodeling around dental implants replacing single molars after a follow-up period of 3 to 6 years. MATERIALS AND METHODS: Patients who received dental implants with an external hexagon platform in healed sites to support a single metal-ceramic crown in the molar region were recalled to the office. The implantation sites and implant length information were recorded, and the implants were divided according to the implant diameter: regular (RP) or wide (WP)...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28905475/evaluation-of-volumetric-dimensional-changes-in-posterior-extraction-sites-with-and-without-arp-using-a-novel-imaging-device
#3
Carolina Sbordone, Paolo Toti, Ranieri Martuscelli, Franco Guidetti, Massimo Porzio, Ludovico Sbordone
BACKGROUND: Alveolar ridge volume loss may be minimized when postextraction sockets are filled by bone substitutes. PURPOSE: The aim of the study was to measure the effect of alveolar ridge preservation (ARP) in maintaining the external contour of the ridge after fresh socket grafting with or without particulate anorganic bovine bone mineral (BBM) and resorbable barrier covering. MATERIALS AND METHODS: In the present controlled study, patients subjected to single-tooth extraction were allocated to 2 groups: postextraction sockets grafted with bovine bone mineral (bbm), and naturally healing sockets (nat)...
September 14, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28905122/static-and-free-vibration-analyses-of-dental-prosthesis-and-atherosclerotic-human-artery-by-refined-finite-element-models
#4
E Carrera, D Guarnera, A Pagani
Static and modal responses of representative biomechanical structures are investigated in this paper by employing higher-order theories of structures and finite element approximations. Refined models are implemented in the domain of the Carrera unified formulation (CUF), according to which low- to high-order kinematics can be postulated as arbitrary and, eventually, hierarchical expansions of the generalized displacement unknowns. By using CUF along with the principle of virtual work, the governing equations are expressed in terms of fundamental nuclei of finite element arrays...
September 13, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28894726/validation-of-a-new-three-dimensional-imaging-system-using-comparative-craniofacial-anthropometry
#5
Farhad B Naini, Sarah Akram, Julia Kepinska, Umberto Garagiola, Fraser McDonald, David Wertheim
BACKGROUND: The aim of this study is to validate a new three-dimensional craniofacial stereophotogrammetry imaging system (3dMDface) through comparison with manual facial surface anthropometry. The null hypothesis was that there is no difference between craniofacial measurements using anthropometry vs. the 3dMDface system. METHODS: Facial images using the new 3dMDface system were taken from six randomly selected subjects, sitting in natural head position, on six separate occasions each 1 week apart, repeated twice at each sitting...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28893043/psychometric-utility-in-determining-dental-organizational-attribute-a-cross-sectional-study-in-ghaziabad-india
#6
Irfan Ali, Ashish Singla, Ritu Gupta, Basavaraj Patthi, Kuldeep Dhama, Lav Kumar Niraj, Monika Prasad, Jishnu Krishna Kumar
INTRODUCTION: Psychometrics is the field of research involved with the objective measurement of finesse and intelligence, skills, temperament, personality traits, and educational success and technique of psychological measurement. Oral healthcare along with patient satisfaction and quality of care are main factors responsible for organizational attribute. Patient safety is relatively emerging domain which will result in improving patient's conditions without causing harm to them. AIM: To assess the psychometric behaviours as well as organization attribute with the help of modified version of Survey of Organizational Attributes for Primary Care (SOAPC) instrument among the dental care practitioners in Ghaziabad city, Uttar Pradesh, India...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28893041/evaluation-of-oral-health-status-among-5-15-year-old-school-children-in-shimoga-city-karnataka-india-a-cross-sectional-study
#7
Shivananda Gudal Soumya, Kukkalli Kamalaksharappa Shashibhushan, Muttugadur Chandrappa Pradeep, Prashant Babaji, Vundela Rajashekar Reddy
INTRODUCTION: Oral health is an integral part of general health. Dental problems can be avoided if identified at an early stage. There is no data on oral health status of school going children in Karnataka state's Shimoga city. AIM: To evaluate oral health status of school going children among 5-15-year-old in Shimoga city. MATERIALS AND METHODS: A cross-sectional study was conducted among 1458 government and private school children aged 5-6, 9-10 and 14-15 years...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28889868/three-dimensional-analysis-of-third-molar-development-to-estimate-age-of-majority
#8
Ana Belén Márquez-Ruiz, María Concepción Treviño-Tijerina, Lucas González-Herrera, Belén Sánchez, Amanda Rocío González-Ramírez, Aurora Valenzuela
Third molars are one of the few biological markers available for age estimation in undocumented juveniles close the legal age of majority, assuming an age of 18years as the most frequent legal demarcation between child and adult status. To obtain more accurate visualization and evaluation of third molar mineralization patterns from computed tomography images, a new software application, DentaVol©, was developed. Third molar mineralization according to qualitative (Demirjian's maturational stage) and quantitative parameters (third molar volume) of dental development was assessed in multi-slice helical computed tomography images of both maxillary arches displayed by DentaVol© from 135 individuals (62 females and 73 males) aged between 14 and 23years...
September 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28877280/mechanical-properties-water-sorption-characteristics-and-compound-release-of-grape-seed-extract-incorporated-resins
#9
Don Jeevanie Epasinghe, Cynthia Kar Yung Yiu, Michael Francis Burrow
Objective: This study evaluated the effect of grape seed extract (GSE) incorporation on the mechanical properties, water sorption, solubility, and GSE release from the experimental adhesive resins. Material and Methods: An experimental comonomer mixture, consisting of 40% Bis-GMA, 30% Bis MP, 28% HEMA, 0.26% camphorquinone and 1% EDMAB, was used to prepare four GSE-incorporated adhesive resins at concentrations of 0.5, 1, 1.5, and 2 wt%. The neat resin without GSE was used as the control...
July 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28874993/evaluation-of-internal-fit-of-interim-crown-fabricated-with-cad-cam-milling-and-3d-printing-system
#10
Wan-Sun Lee, Du-Hyeong Lee, Kyu-Bok Lee
PURPOSE: This study is to evaluate the internal fit of the crown manufactured by CAD/CAM milling method and 3D printing method. MATERIALS AND METHODS: The master model was fabricated with stainless steel by using CNC machine and the work model was created from the vinyl-polysiloxane impression. After scanning the working model, the design software is used to design the crown. The saved STL file is used on the CAD/CAM milling method and two types of 3D printing method to produce 10 interim crowns per group...
August 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/28874642/measurement-of-crestal-cortical-bone-thickness-at-implant-site-a-cone-beam-computed-tomography-study
#11
Ajai Gupta, Suprabha Rathee, Jaihans Agarwal, Renu B Pachar
AIM: Dental implants have emerged as a new treatment modality for the majority of patients complaining of missing teeth. Bone quantity and bone quality are among various factors which ensure the longevity of dental implant in the patient's mouth. The assessment of cortical bone thickness of the outer layer and the cancellous bone density by cone beam computed tomography (CBCT) has proved beneficial for the patient. This study aimed at presurgical measurement of crestal bone thickness at various implant sites using CBCT images...
September 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28863923/accuracy-of-3-dimensional-curvilinear-measurements-on-digital-models-with-intraoral-scanners
#12
Spencer Mack, Tammy Bonilla, Jeryl D English, Benjamin Cozad, Sercan Akyalcin
INTRODUCTION: Our objectives were to evaluate and compare the digital dental models generated from 2 commercial intraoral scanners with manual measurements when performing 3-dimensional surface measurements along a curved line (curvilinear). METHODS: Dry mandibles (n = 61) with intact dentition were used. The mandibles were digitized using 2 chair-side intraoral scanners: Cadent iTero (Align Technology, San Jose, Calif) and Lythos Digital Impression system (Ormco, Orange, Calif)...
September 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28862464/use-of-cbct-imaging-open-source-modeling-software-and-desktop-stereolithography-3d-printing-to-duplicate-a-removable-dental-prosthesis-a-proof-of-concept
#13
Wei-Shao Lin, Bryan T Harris, Dean Morton
This article describes an alternative computer-aided design/computer-aided manufacturing (CAD/CAM) technique that uses cone-beam computed tomography (CBCT) imaging, open-source 3-dimensional (3D) modeling software, and a desktop stereolithography (SLA) 3D printer to duplicate an existing complete removable dental prosthesis (CRDP). Intended to offer a proof of concept, this proposed technique provides dental clinicians who have access to a CBCT imaging unit and a desktop SLA 3D printer an option to manufacture a duplicated prosthesis in-office...
September 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28861389/cone-beam-computed-tomographic-evaluation-of-the-temporomandibular-joint-and-dental-characteristics-of-patients-with-class-ii-subdivision-malocclusion-and-asymmetry
#14
Mingna Huang, Yun Hu, Jinfeng Yu, Jicheng Sun, Ye Ming, Leilei Zheng
OBJECTIVE: Treating Class II subdivision malocclusion with asymmetry has been a challenge for orthodontists because of the complicated characteristics of asymmetry. This study aimed to explore the characteristics of dental and skeletal asymmetry in Class II subdivision malocclusion, and to assess the relationship between the condyle-glenoid fossa and first molar. METHODS: Cone-beam computed tomographic images of 32 patients with Class II subdivision malocclusion were three-dimensionally reconstructed using the Mimics software...
September 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28857016/open-source-software-in-dentistry-a-systematic-review
#15
Małgorzata Chruściel-Nogalska, Tomasz Smektała, Marcin Tutak, Katarzyna Sporniak-Tutak, Raphael Olszewski
OBJECTIVES: Technological development and the need for electronic health records management resulted in the need for a computer with dedicated, commercial software in daily dental practice. The alternative for commercial software may be open-source solutions. Therefore, this study reviewed the current literature on the availability and use of open-source software (OSS) in dentistry. METHODS: A comprehensive database search was performed on February 1, 2017. Only articles published in peer-reviewed journals with a focus on the use or description of OSS were retrieved...
August 31, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28855756/remineralization-ability-of-sodium-fluoride-on-the-microhardness-of-enamel-dentin-and-dentinoenamel-junction-an-in-vitro-study
#16
Elangovan Sivapriya, Krishnamoorthy Sridevi, Ravishankar Periasamy, Lakshmikanthanbharathi Lakshminarayanan, Angambakkam Rajasekaran Pradeepkumar
AIM: Dental tissues such as enamel, dentinoenamel junction (DEJ), dentin, and root dentin can react differently to demineralization and remineralization. The aim of this study was to evaluate the remineralization ability of sodium fluoride on the microhardness of enamel, dentin, and dentinoenamel junction. MATERIALS AND METHODS: Ten extracted third molar teeth were sectioned mesiodistally to form control and test groups. For the test group, initial demineralization was done with acetic acid for 24 h followed by remineralization for 28 days by application of sodium fluoride (226 ppm) for 2 min twice a day...
March 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28853505/-effect-of-repeated-sintering-and-variations-in-thickness-on-the-color-and-microstructure-of-dental-lithium-disilicate-based-glass-ceramic-veneers
#17
Huang Cui, Yu Jia, Meng Shaofeng, Gao Biyun
Objective The aim of this study is to evaluate the effect of repeated sintering and variation in thickness on the color and microstructure of dental lithium disilicate-based glass ceramic veneers. Methods A total of 24 computer aided design and computer aided manufacturing (CAD/CAM) veneers was fabricated using the IPS e.max-CAD LS2 and then randomly divided into four groups (S0, S1, S2, S3; n=6). Each group was sintered 0, 1, 2, 3 times individually according to the manufacturer's recommendation. The color parameters (L, C, H, a, b values) of all the specimens were measured by a Vita easyshade dental colorimeter...
August 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28852638/repetition-of-examination-due-to-motion-artifacts-in-horizontal-cone-beam-ct-comparison-among-three-different-kinds-of-head-support
#18
Cosimo Nardi, Gian Giacomo Taliani, Alessandro Castellani, Luisa De Falco, Valeria Selvi, Linda Calistri
AIMS AND OBJECTIVES: The aim of this study was to evaluate the repetition rate of examination due to motion artifacts in horizontal cone beam computed tomography, using three different kinds of head support, with reference to the patient's age. Further purpose was to evaluate how comfortable head supports were. MATERIALS AND METHODS: Seven hundred and fifty patients underwent a maxillofacial/dental arches volumetric imaging scan. They were divided into three groups depending on the head support used: foam headrest, foam headrest with head strap, and head restraint helmet...
July 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28852630/awareness-attitude-and-knowledge-of-basic-life-support-among-medical-dental-and-nursing-faculties-and-students-in-the-university-hospital
#19
N C Sangamesh, K C Vidya, Jugajyoti Pathi, Arpita Singh
OBJECTIVE: To assess the awareness, attitude, and knowledge about basic life support (BLS) among medical, dental, and nursing students and faculties and the proposal of BLS skills in the academic curriculum of undergraduate (UG) course. Recognition, prevention, and effective management of life-threatening emergencies are the responsibility of health-care professionals. These situations can be successfully managed by proper knowledge and training of the BLS skills. These life-saving maneuvers can be given through the structured resuscitation programs, which are lacking in the academic curriculum...
July 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28841033/exploring-the-impact-of-malocclusion-and-dentofacial-anomalies-on-the-occurrence-of-traumatic-dental-injuries-in-adolescents
#20
Paulo Floriani Kramer, Luciana M Pereira, Mariana Cezar Ilha, Tássia Silvana Borges, Maria Perpétua Mota Freitas, Carlos Alberto Feldens
OBJECTIVE: To investigate the association between malocclusion/dentofacial anomalies and traumatic dental injuries (TDI) in adolescents. MATERIALS AND METHODS: The sample of this cross-sectional study comprised 509 adolescents aged 11 to 14 years enrolled at public schools in the city of Osório, southern Brazil. Parents answered a structured questionnaire addressing demographic and socioeconomic characteristics. An examiner who had undergone a training and calibration exercise recorded malocclusion/dentofacial anomalies (Dental Aesthetic Index, DAI), TDI (Andreasen), and dental caries (World Health Organisation)...
August 25, 2017: Angle Orthodontist
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