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Smile design

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https://www.readbyqxmd.com/read/28297090/the-mandibular-muscles-in-contemporary-orthodontic-practice-a-review
#1
M G Woods
It is widely accepted that all dentists should have a thorough understanding of the muscles involved in moving or stabilizing the mandible. However, there is still much discussion regarding the influence of the mandibular muscles on normal facial growth and dental development, as well as on orthodontic treatment and post-treatment stability. Potential patients with different underlying vertical muscle patterns will have differences in the expected directions of future mandibular growth, lateral profile shape, facial and arch widths and vertical occlusal relationships...
March 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28281211/bayesian-molecular-design-with-a-chemical-language-model
#2
Hisaki Ikebata, Kenta Hongo, Tetsu Isomura, Ryo Maezono, Ryo Yoshida
The aim of computational molecular design is the identification of promising hypothetical molecules with a predefined set of desired properties. We address the issue of accelerating the material discovery with state-of-the-art machine learning techniques. The method involves two different types of prediction; the forward and backward predictions. The objective of the forward prediction is to create a set of machine learning models on various properties of a given molecule. Inverting the trained forward models through Bayes' law, we derive a posterior distribution for the backward prediction, which is conditioned by a desired property requirement...
March 9, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28271914/monte-carlo-method-based-qsar-modelling-of-natural-lipase-inhibitors-using-hybrid-optimal-descriptors
#3
A Kumar, S Chauhan
Obesity is one of the most provoking health burdens in the developed countries. One of the strategies to prevent obesity is the inhibition of pancreatic lipase enzyme. The aim of this study was to build QSAR models for natural lipase inhibitors by using the Monte Carlo method. The molecular structures were represented by the simplified molecular input line entry system (SMILES) notation and molecular graphs. Three sets - training, calibration and test set of three splits - were examined and validated. Statistical quality of all the described models was very good...
March 8, 2017: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/28197846/smiling-instead-of-smoking-development-of-a-positive-psychology-smoking-cessation-smartphone-app-for-non-daily-smokers
#4
Bettina B Hoeppner, Susanne S Hoeppner, Lourah Kelly, Melissa Schick, John F Kelly
PURPOSE: The usefulness of mobile technology in supporting smoking cessation has been demonstrated, but little is known about how smartphone apps could best be leveraged. The purpose of this paper is to describe the program of research that led to the creation of a smoking cessation app for non-daily smokers, so as to stimulate further ideas to create "smart" smartphone apps to support health behavior change. METHOD: Literature reviews to evaluate the appropriateness of the proposed app, content analyses of existing apps, and smoking cessation sessions with non-daily smokers (n = 38) to inform the design of the app...
February 14, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28196157/dynamic-documentation-of-the-smile-and-the-2d-3d-digital-smile-design-process
#5
Christian Coachman, Marcelo Alexandre Calamita, Newton Sesma
Medical and dental histories, clinical examination, study models, and photographs provide the data for a proper diagnosis and the treatment plan for esthetic dentistry. However, they do not offer all the information necessary to analyze the smile and create harmony with the lips and face without excessive intraoral adjustments. Dentolabial parameters vary according to lip dynamics and are influenced by both a static posed smile and a smile in motion as captured in video. This article describes a documentation protocol using smartphone videos to improve the analysis, smile design decisions, and elaboration of a 2D smile frame that will guide the 3D digital smile design project...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28177307/acedrg-a-stereochemical-description-generator-for-ligands
#6
Fei Long, Robert A Nicholls, Paul Emsley, Saulius Graǽulis, Andrius Merkys, Antanas Vaitkus, Garib N Murshudov
The program AceDRG is designed for the derivation of stereochemical information about small molecules. It uses local chemical and topological environment-based atom typing to derive and organize bond lengths and angles from a small-molecule database: the Crystallography Open Database (COD). Information about the hybridization states of atoms, whether they belong to small rings (up to seven-membered rings), ring aromaticity and nearest-neighbour information is encoded in the atom types. All atoms from the COD have been classified according to the generated atom types...
February 1, 2017: Acta Crystallographica. Section D, Structural Biology
https://www.readbyqxmd.com/read/28149787/small-incision-lenticule-extraction-versus-femtosecond-lenticule-extraction-for-myopic-a-systematic-review-and-meta-analysis
#7
Jia-Song Wang, Hua-Tao Xie, Ye Jia, Ming-Chang Zhang
AIM: To examine differences in efficacy, accuracy, safety, aberrations and corneal biomechanical between Small incision lenticule extraction (SMILE) and femtosecond lenticule extraction (FLEx) for myopia. METHODS: Comprehensive studies were conducted on the PubMed, MEDLINE, EMBASE, and Cochrane Controlled Trials Register before 31 July, 2015. Meta-analyses were performed on the primary outcomes [loss of ≥2 lines of corrected distance visual acuity (CDVA), uncorrected distance visual acuity (UDVA) ≥20/20, spherical equivalent (SE) within ±0...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28140718/innovations-in-oral-health-a-toolkit-for-interprofessional-education
#8
Maria C Dolce, Jessica L Parker, Debra T Werrlein
The integration of oral health competencies into non-dental health professions curricula can serve as an effective driver for interprofessional education (IPE). The purpose of this report is to describe a replicable oral-health-driven IPE model and corresponding online toolkit, both of which were developed as part of the Innovations in Oral Health (IOH): Technology, Instruction, Practice, and Service programme at Bouvé College of Health Sciences, Northeastern University, USA. Tooth decay is a largely preventable disease that is connected to overall health and wellness, and it affects the majority of adults and a fifth of children in the United States...
January 31, 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28137247/a-randomised-controlled-trial-of-dietary-improvement-for-adults-with-major-depression-the-smiles-trial
#9
Felice N Jacka, Adrienne O'Neil, Rachelle Opie, Catherine Itsiopoulos, Sue Cotton, Mohammedreza Mohebbi, David Castle, Sarah Dash, Cathrine Mihalopoulos, Mary Lou Chatterton, Laima Brazionis, Olivia M Dean, Allison M Hodge, Michael Berk
BACKGROUND: The possible therapeutic impact of dietary changes on existing mental illness is largely unknown. Using a randomised controlled trial design, we aimed to investigate the efficacy of a dietary improvement program for the treatment of major depressive episodes. METHODS: 'SMILES' was a 12-week, parallel-group, single blind, randomised controlled trial of an adjunctive dietary intervention in the treatment of moderate to severe depression. The intervention consisted of seven individual nutritional consulting sessions delivered by a clinical dietician...
January 30, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28124127/acute-low-intensity-cycling-with-blood-flow-restriction-has-no-effect-on-metabolic-signaling-in-human-skeletal-muscle-compared-to-traditional-exercise
#10
William J Smiles, Miguel S Conceição, Guilherme D Telles, Mara P T Chacon-Mikahil, Cláudia R Cavaglieri, Felipe C Vechin, Cleiton A Libardi, John A Hawley, Donny M Camera
PURPOSE: Autophagy is an intracellular degradative system sensitive to hypoxia and exercise-induced perturbations to cellular bioenergetics. We determined the effects of low-intensity endurance-based exercise performed with blood-flow restriction (BFR) on cell signaling adaptive responses regulating autophagy and substrate metabolism in human skeletal muscle. METHODS: In a randomized cross-over design, nine young, healthy but physically inactive males completed three experimental trials separated by 1 week of recovery consisting of either a resistance exercise bout (REX: 4 × 10 leg press repetitions, 70% 1-RM), endurance exercise (END: 30 min cycling, 70% VO2peak), or low-intensity cycling with BFR (15 min, 40% VO2peak)...
January 25, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28079793/oral-health-related-quality-of-life-in-pediatric-patients-under-general-anesthesia-a-prospective-study
#11
Lanlan Li, Hongwei Wang, Xueping Han
Our goal was to evaluate how dental treatments under general anesthesia (GA) affect the quality of life by a prospective pair-matched design. Pediatric patients, who had received dental treatments under GA, were enrolled and were asked to complete the Early Childhood Oral Health Impact Scale (ECOHIS) before the treatment and 1 month after the treatment. To shield the observed impacts, a pair-matched control group was performed. Patients in the control group were also required to complete the ECOHIS at these different points in time...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28056566/large-scale-classification-of-p-glycoprotein-inhibitors-using-smiles-based-descriptors
#12
V Prachayasittikul, A Worachartcheewan, A P Toropova, A A Toropov, N Schaduangrat, V Prachayasittikul, C Nantasenamat
P-glycoprotein (Pgp) inhibition has been considered as an effective strategy towards combating multidrug-resistant cancers. Owing to the substrate promiscuity of Pgp, the classification of its interacting ligands is not an easy task and is an ongoing issue of debate. Chemical structures can be represented by the simplified molecular input line entry system (SMILES) in the form of linear string of symbols. In this study, the SMILES notations of 2254 Pgp inhibitors including 1341 active, and 913 inactive compounds were used for the construction of a SMILE-based classification model using CORrelation And Logic (CORAL) software...
January 2017: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/27881322/layperson-s-preference-regarding-orientation-of-the-transverse-occlusal-plane-and-commissure-line-from-the-frontal-perspective
#13
Bruno Pereira Silva, Emilio Jiménez-Castellanos, Sivan Finkel, Inmaculada Redondo Macias, Stephen J Chu
STATEMENT OF PROBLEM: Facial asymmetries in features such as lip commissure and interpupillary plane canting have been described as common conditions affecting smile esthetics. When presented with these asymmetries, the clinician must choose the reference line with which to orient the transverse occlusal plane of the planned dental restorations. PURPOSE: The purpose of the online survey described in this study was to determine lay preferences regarding the transverse occlusal plane orientation in faces that display a cant of the commissure line viewed from the frontal perspective...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27871700/laypeople-s-perceptions-of-frontal-smile-esthetics-a-systematic-review
#14
REVIEW
Simone Parrini, Gabriele Rossini, Tommaso Castroflorio, Arturo Fortini, Andrea Deregibus, Cesare Debernardi
INTRODUCTION: The emphasis on dental esthetics has increased in recent years. There are, however, differences in esthetic perceptions among professional and lay groups. The aim of this comprehensive review was to update previous reviews and answer the following research question: Can lay thresholds for acceptance of smile esthetic anomalies be defined? METHODS: A systematic search in the medical literature (PubMed, PMC, NLM, Embase, Cochrane Central Register of Controlled Clinical trials, Web of Knowledge, Scopus, Google Scholar, and LILACs) was performed to identify all peer-reviewed articles reporting data regarding evaluations of laypeople's perceptions of dental esthetic factors...
November 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27836143/facially-generated-and-cephalometric-guided-3d-digital-design-for-complete-mouth-implant-rehabilitation-a-clinical-report
#15
Christian Coachman, Marcelo Alexandre Calamita, Francis Gray Coachman, Robert Gray Coachman, Newton Sesma
Harmony among the teeth, lips, and facial components is the goal of prosthodontic treatment, whether performed by conventional or digital workflow methods. This clinical report describes a facial approach to planning computer-guided surgery and immediate computer-aided designed and computer-aided manufactured (CAD-CAM) interim complete-arch fixed dental prostheses on immediately placed dental implants with a digital workflow. A single clinical appointment for data collection included dentofacial documentation with photographs and videos...
November 8, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27790595/global-tourist-guide-to-oral-care-a-systematic-review
#16
REVIEW
Kuldeep Dhama, Basavaraj Patthi, Ashish Singla, Ritu Gupta, Lav Kumar Niraj, Irfan Ali, Jishnu Krishna Kumar, Monika Prasad
INTRODUCTION: Dental tourism means travelling abroad for economical dental treatment as the cost of treatment is high in one's own country. This trend has been emerged due to high priced health care and long waiting lists in many Western countries. In spite of large debates on dental care, tourism has taken place; still there is lack of scientific studies related to the dental tourism. AIM: The present review aims to analyze the opportunities, feasibilities, treatment cost variability and popularity of dental tourism...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27783003/barriers-to-reconstructive-surgery-in-low-and-middle-income-countries-a-cross-sectional-study-of-453-cleft-lip-and-cleft-palate-patients-in-vietnam
#17
Caroline A Yao, Jordan Swanson, Dayana Chanson, Trisa B Taro, Barrie Gura, Jane C Figueiredo, Heather Wipfli, Kristin Hatcher, Richard Vanderburg, William P Magee
BACKGROUND: Despite health system advances, residents of low- and middle-income countries continue to experience substantial barriers in accessing health care, particularly for specialized care such as plastic and reconstructive surgery. METHODS: A cross-sectional household survey of patients seeking surgical care for cleft lip and/or cleft palate was completed at five Operation Smile International mission sites throughout Vietnam (Hanoi, Nghe An, Hue, Ho Chi Minh City, An Giang, and Bac Lieu) in November of 2014...
November 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27768043/investigating-the-uncatchable-smile-in-leonardo-da-vinci-s-la-bella-principessa-a-comparison-with-the-mona-lisa-and-pollaiuolo-s-portrait-of-a-girl
#18
Alessandro Soranzo, Michelle Newberry
This paper discusses how the 'Uncatchable Smile' illusion in Leonardo da Vinci's La Bella Principessa portrait was discovered. Kemp and Cotte(1) described the expression of the Princess as ambiguous and "subtle to an inexpressible degree". A combination of three methods was used (inter-observation, structured interviews, and psychophysical experiments) to identify what may underlie this 'ambiguity'. The inter-observation and the structured interview methods were firstly applied to generate experimental hypotheses that were successively tested by a series of psychophysical experiments...
October 4, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27748991/do-parents-and-children-perceive-molar-incisor-hypomineralization-as-an-oral-health-problem
#19
Soraya C Leal, Tereza Raquel Mourão Oliveira, Ana Paula Dias Ribeiro
BACKGROUND: Very little is known about how patients perceive molar-incisor hypomineralization (MIH). AIM: The aim of this study was to identify whether parents and children perceive opacities associated with MIH as an oral health problem. DESIGN: A case-control study was designed in which 131 children diagnosed with MIH were matched by age, sex, and school to 131 children without MIH. The Child and Parent Questionnaire about Tooth Appearance was used to assess reports from parents, who were interviewed by telephone, and children, who were interviewed on school premises...
October 17, 2016: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/27677502/protein-coingestion-with-alcohol-following-strenuous-exercise-attenuates-alcohol-induced-intramyocellular-apoptosis-and-inhibition-of-autophagy
#20
William J Smiles, Evelyn B Parr, Vernon G Coffey, Orly Lacham-Kaplan, John A Hawley, Donny M Camera
Alcohol ingestion decreases postexercise rates of muscle protein synthesis, but the mechanism(s) (e.g., increased protein breakdown) underlying this observation is unknown. Autophagy is an intracellular "recycling" system required for homeostatic substrate and organelle turnover; its dysregulation may provoke apoptosis and lead to muscle atrophy. We investigated the acute effects of alcohol ingestion on autophagic cell signaling responses to a bout of concurrent (combined resistance- and endurance-based) exercise...
November 1, 2016: American Journal of Physiology. Endocrinology and Metabolism
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