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https://www.readbyqxmd.com/read/30025254/mental-imagery-in-dentistry-phenomenology-and-role-in-dental-anxiety
#1
Annegret Schneider, Jackie Andrade, Karin Tanja-Dijkstra, David R Moles
Dental anxiety is a prevalent problem with marked psychological, physical and public health implications. Based on cognitive theory and evidence, we hypothesized that vivid, sensory image-based cognitions play a role in dental anxiety. A quantitative online survey (N = 306) and qualitative semi-structured interviews (N = 18) found that vivid sensory images were common irrespective of dental anxiety levels, but that their content, associated distress and responses varied. Participants reporting higher anxiety experienced intense and intrusive fear-provoking dental imagery focusing on unpleasant sensations, which were associated with the intrusive recollection of negative past experiences and avoidance of dentistry...
June 30, 2018: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/30024996/marginal-and-internal-adaptation-of-hybrid-abutment-assemblies-after-central-and-local-manufacturing-respectively
#2
Peter Gehrke, Thorsten Sing, Carsten Fischer, Sebastian Spintzyk, Jürgen Geis-Gerstorfer
PURPOSE: Central manufacturing of two-piece computer-aided design/computer-aided manufacture (CAD/CAM) zirconia abutments may provide a higher accuracy of internal and external adaptation at the expense of delayed restoration delivery. The aim of this study was to compare the fit of two-part zirconia abutments that were either fabricated centrally with the DEDICAM system or at a local laboratory. The field of interest was the marginal, external, and internal luting gap between the titanium insert and CAD/CAM zirconia coping...
July 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30023454/presenting-information-on-dental-risk-prefer-study-protocol-for-a-randomised-controlled-trial-involving-patients-receiving-a-dental-check-up
#3
Rebecca Harris, Christopher Vernazza, Louise Laverty, Victoria Lowers, Stephen Brown, Girvan Burnside, Laura Ternent, Susan Higham, Jimmy Steele
Introduction: A new dental contract being tested in England places patients into traffic light categories according to risk (Red = High risk). This reflects health policy which emphasises patients' shared responsibility for their health, and a growing expectation that clinicians discuss health risk in consultations. Alongside this, there are technological developments such as scans and photographs which have generated new, vivid imagery which may be used to communicate risk information to patients...
September 2018: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/30022713/orthodontic-management-of-a-non-vital-immature-tooth-treated-with-regenerative-endodontics-a-case-report
#4
Zynab Jawad, Claire Bates, Mandeep Duggal, Hani Nazzal
Management of non-vital immature permanent teeth in children remains a challenge in paediatric dentistry. The resulting short roots, thin root dentinal walls, and compromised crown root ratios, not only affect the long-term survival of these teeth but also complicate any intended orthodontic treatment. This case report shows a successful orthodontic movement of a traumatised non-vital immature tooth treated using regenerative endodontics.
July 19, 2018: Journal of Orthodontics
https://www.readbyqxmd.com/read/30022585/dreem-ing-of-dentistry-students-perception-of-the-academic-learning-environment-in-australia
#5
Nicole Stormon, Pauline J Ford, Diann S Eley
INTRODUCTION: Continuous evaluation and improvement of the learning environment are required to respond to the changing nature of dental practice and dental education. This study aimed to describe a cohort of undergraduate dentistry students' perceptions of their learning environment. METHODS: Students enrolled in years 1-4 of the Bachelor of Dental Science (Honours) programme at The University of Queensland were invited to complete an online survey which included demographics and the Dundee Ready Education Environment Measure (DREEM)...
July 18, 2018: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/30020800/removable-and-fixed-fully-edentulous-treatment-options-for-the-aging-patient
#6
Stephen Parel
As the number of seniors in the United States continues to rise, edentulism remains a serious ailment affecting many elderly patients. Though many seniors are taking fuller dentitions into their later years due to a greater emphasis on oral health maintenance than in the past, this growing population still often requires creative edentulous treatment solutions from skilled clinicians. Fortunately, with the evolution of implant dentistry various possibilities are available to treat edentulous aging patients with removable and/or fixed options...
July 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/30019771/a-protocol-for-early-childhood-caries-diagnosis-and-risk-assessment
#7
Robin Wendell Evans, Carlos Alberto Feldens, Prathip Phantunvanit
The global Early Childhood Caries (ECC) burden is of concern to the World Health Organisation (WHO), but the quantification of this burden and risk is unclear, partly due to difficulties in accessing young children for population surveys and partly due to diagnostic criteria for ECC experience. The WHO criterion for caries diagnosis is the late stage event of dentine cavitation. Earlier stages of the caries lesion are clinically detectable and should be registered earlier in the life of children and arrested/remineralized before lesions progress to the cavitation stage...
July 18, 2018: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/30017167/trueness-analysis-of-zirconia-crowns-fabricated-with-3-dimensional-printing
#8
Weina Wang, Hai Yu, Yifan Liu, Xinlei Jiang, Bo Gao
STATEMENT OF PROBLEM: The primary manufacturing method of zirconia ceramic crowns is computer-aided design and computer-aided manufacture (CAD-CAM), but a disadvantage of this technique is material waste. Three-dimensional (3D) printing, which has been recently introduced into dentistry, has improved the processing of polymers and metals, but not yet of ceramic crowns. PURPOSE: The purpose of this in vitro study was to evaluate the 3D trueness of zirconia crowns fabricated by 3D printing to investigate the potential application of this technology in dental ceramic restorations...
July 13, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30017158/use-of-a-surgical-template-for-minimally-invasive-second-stage-surgery-a-dental-technique
#9
Sabrina Garcia-Hammaker, Furat M George
The introduction of new techniques and new technology has been directly related to successful outcomes in implant dentistry. Merging information from high-quality cone beam computed tomography images and detailed prosthetically driven digital planning translates into computer-guided surgery. A surgical template is a guide used to assist in the proper surgical placement and angulation of dental implants. However, a surgical guide not only facilitates implant placement but can also be used for other purposes, including diagnosis, treatment planning, and even second-stage surgery...
July 13, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30017156/accuracy-of-digital-technologies-for-the-scanning-of-facial-skeletal-and-intraoral-tissues-a-systematic-review
#10
REVIEW
Lauren Bohner, Diego Diaz Gamba, Marcel Hanisch, Bruno Silva Marcio, Pedro Tortamano Neto, Dalva Cruz Laganá, Newton Sesma
STATEMENT OF PROBLEM: The accuracy of the virtual images used in digital dentistry is essential to the success of oral rehabilitation. PURPOSE: The purpose of this systematic review was to estimate the mean accuracy of digital technologies used to scan facial, skeletal, and intraoral tissues. MATERIAL AND METHODS: A search strategy was applied in 4 databases and in the non-peer-reviewed literature from April through June 2017 and was updated in July 2017...
July 13, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30015816/-a-phd-completed-innovations-in-restorative-dentistry-necessary-or-superfluous
#11
U Schepke
Restorative dentists are faced with a dilemma: they needs to be aware of the most recent developments in order to be able to offer state-of-the-art care but they also have to be able to identify which of the many innovations are superfluous. In this doctoral dissertation the focus was on the role of digital production and procedures in restorative dentistry, and in oral implantology in particular. The variety of studies performed revealed that patients prefer to have impressions taken digitally rather than with dental impression putty and that digital impressions can be taken more quickly...
July 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/30015811/-myasthenia-gravis-in-dentistry
#12
N L Tjeerdsma, E L van der Kooi, E H van der Meij, J G A M de Visscher
In a patient with myasthenia gravis, a life-threatening myasthenic crisis can occur, a complication of myasthenia gravis. The crisis can be triggered by, among other things, emotional stress, pain, infections and a reaction to medication. The policy for invasive dental treatment in a patient with myasthenia gravis must be aimed at preventing a crisis. Prior to the intervention, consultation with the neurologist in charge is necessary because sometimes optimisation of the medication or preventive measures are required...
July 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/30015810/-series-caries-prevention-in-historical-perspective-early-treatment-of-carious-lesions
#13
H Kalsbeek
In the Dutch Journal of Dentistry the opinion is often expressed that treatment of carious deciduous teeth is necessary to reduce the risk of dental caries in the permanent teeth. It is clear that early restorative treatment of caries lesions can contribute to the preservation of teeth. The question is whether such a treatment also has a primary preventive impact on other not yet affected teeth. Results of epidemiological research carried out in the period 1960-1980 do not support the view that it does. To combat the 'disease' caries in children restoration of carious teeth alone will not suffice...
July 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/30015214/surgical-management-of-wide-intrabony-defect-underlying-midline-diastema-using-whale-s-tail-flap-technique-a-case-report
#14
Avita Rath, Bennete A Fernandes, Preena Sidhu, Priyadarshini Hr
INTRODUCTION: Management of wide midline diastemas accompanying an underlying osseous defect is cumbersome which sometimes yields unpredictable results. However, regenerative therapy of these highly aesthetic zones using a Whale's tail flap technique obtains a maximum papilla fill after placement of the bone graft. This case report illustrated the utilisation of Whale's tail technique of flap for a large interdental defect. CASE PRESENTATION: A young healthy 31-year-old male patient presented with maxillary midline diastema...
July 11, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/30011209/in-vitro-osteogenic-differentiation-and-antibacterial-potentials-of-chalcone-derivatives
#15
Daheui Choi, Jin Chan Park, Ha Na Lee, Ji-Hoi Moon, Hyo-Won Ahn, Kwangyong Park, Jinkee Hong
Chalcone derivatives have been investigated for therapeutic agent such as anticancer, antioxidant and anti-inflammatory fields. In this study, we also have synthesized 4 different type of chalcone derivatives and demonstrated in vitro bioactivities. We divided into 2 groups of chalcones on the basis of similar substituents at aromatic rings and tested cell viability and proliferation potentials, indicating that methoxy substituent on A ring could enhance cytotoxicity and anti-proliferation potential depending on chalcone concentration...
July 16, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/30009108/impact-of-clinical-information-on-the-turnaround-time-in-surgical-histopathology-a-retrospective-study
#16
Syed Muhammad Hammad Ali, Usama Muhammad Kathia, Muhammad Umar Masood Gondal, Ahsan Zil-E-Ali, Haseeb Khan, Sabiha Riaz
Introduction Clinical information (CI) is a key requisite to diagnose and report a specimen in histopathology. A timely dispatched report can help a clinician to confirm a diagnosis and initiate a prompt treatment plan while an unnecessary delay in reporting time can compromise patient's healthcare. The aim of this study was to ascertain the impact of the adequacy of CI provided by clinicians on the turnaround time (TAT) and to investigate factors pertinent to specimens, their handling, and diagnosis. Methods This retrospective study reviewed a total of 803 surgical specimens reported in a duration of four months (from December 2015 till March 2016) by the Department of Histopathology, FMH College of Medicine & Dentistry, Lahore, Pakistan...
May 8, 2018: Curēus
https://www.readbyqxmd.com/read/30008193/wide-field-of-view-optical-coherence-tomography-for-structural-and-functional-diagnoses-in-dentistry
#17
Joo Beom Eom, Jae Sung Ahn, Jonghyun Eom, Anjin Park
We report herein the fabrication and performance response of a three-dimensional (3-D) intraoral scan probe based on optical coherence tomography (OCT) that enables 3-D structural and functional diagnoses of the human teeth. The OCT system was configured using a swept-source OCT (SS-OCT) with a center wavelength of 1310 nm. The scan probe was built using an MEMS mirror and an optical collimator. The implemented SS-OCT equipped with the MEMS-based scan probe yielded an axial resolution of 10  μm and a scan range of 8  ×  8  mm2...
July 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/30006228/accuracy-of-9-intraoral-scanners-for-complete-arch-image-acquisition-a-qualitative-and-quantitative-evaluation
#18
Ryan Jin-Young Kim, Ji-Man Park, June-Sung Shim
STATEMENT OF PROBLEM: Different intraoral scanners (IOSs) are available for digital dentistry. However, information on the accuracy of various IOSs for complete-arch digital scans is limited. PURPOSE: The purpose of this in vitro study was to evaluate the trueness and precision of complete-arch digital scans produced by 9 IOSs, using the superimposition method, and to compare them based on characteristics including the data capture principle and mode and the need for powder coating...
July 10, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30005336/age-estimation-cameriere-s-open-apices-methodology-accuracy-on-a-southeast-brazilian-sample
#19
Luiz Eugenio Nigro Mazzilli, Rodolfo Francisco Haltenhoff Melani, Cesar Angelo Lascala, Luz Andrea Velandia Palacio, Roberto Cameriere
Age estimation plays an important role in clinical and forensic dentistry. Cameriere's 2007 open apices method for age estimation was applied in a sample of 612 digital panoramic orthopantomographs from Brazilian subadult individuals of known age and sex. The sample was composed of 290 males and 322 females individuals aged between four and 16 years of age from São Paulo metropolitan area who had undertaken radiographs for clinical purposes. Participant's ethnicity data was not available. An open code computer-aided drafting software (ImageJ) was used to measure the variables according to the author's published guidelines...
June 28, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/30004002/decision-making-of-general-practitioners-on-interventions-at-restorations-based-on-bitewing-radiographs
#20
Cácia Signori, Mark Laske, Fausto M Mendes, Marie-Charlotte D N J M Huysmans, Maximiliano S Cenci, Niek J M Opdam
OBJECTIVE: The aim of this study was to compare decision-making based on bitewing analysis of restored proximal surfaces by general dental practitioners (GDPs) with diagnossis and clinical decisions made by experts in cariology and restorative dentistry. METHODS: This practice-based study used a database of 7 general dental practices. Posterior bitewing radiographs were selected from the electronic patient files of patients, and 770 cases of proximal restored surfaces were selected...
July 9, 2018: Journal of Dentistry
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