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Smile design

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https://www.readbyqxmd.com/read/27881322/layperson-s-preference-regarding-orientation-of-the-transverse-occlusal-plane-and-commissure-line-from-the-frontal-perspective
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
William J Smiles, Evelyn B Parr, Vernon G Coffey, Orly Lacham-Kaplan, John A Hawley, Donny M Camera
Alcohol ingestion decreases post-exercise rates of muscle protein synthesis, but the mechanism(s) (e.g., increased protein breakdown) underlying this observation are 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...
September 27, 2016: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27666493/creation-of-a-3-dimensional-virtual-dental-patient-for-computer-guided-surgery-and-cad-cam-interim-complete-removable-and-fixed-dental-prostheses-a-clinical-report
#9
Bryan T Harris, Daniel Montero, Gerald T Grant, Dean Morton, Daniel R Llop, Wei-Shao Lin
This clinical report proposes a digital workflow using 2-dimensional (2D) digital photographs, a 3D extraoral facial scan, and cone beam computed tomography (CBCT) volumetric data to create a 3D virtual patient with craniofacial hard tissue, remaining dentition (including surrounding intraoral soft tissue), and the realistic appearance of facial soft tissue at an exaggerated smile under static conditions. The 3D virtual patient was used to assist the virtual diagnostic tooth arrangement process, providing patient with a pleasing preoperative virtual smile design that harmonized with facial features...
September 22, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27602972/an-open-label-clinical-trial-of-a-peptide-treatment-serum-and-supporting-regimen-designed-to-improve-the-appearance-of-aging-facial-skin
#10
Zoe Diana Draelos, Tatiana Kononov, Theresa Fox
A 14-week single-center clinical usage study was conducted to test the efficacy of a peptide treatment serum and supporting skincare regimen in 29 women with mild to moderately photodamaged facial skin. The peptide treatment serum contained gamma-aminobutyric acid (GABA) and various peptides with neurotransmitter inhibiting and cell signaling properties. It was hypothesized that the peptide treatment serum would ameliorate eye and facial expression lines including crow's feet and forehead lines. The efficacy of the supporting skincare regimen was also evaluated...
September 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/27588701/naltrexone-increases-negatively-valenced-facial-responses-to-happy-faces-in-female-participants
#11
Isabell M Meier, Peter A Bos, Katie Hamilton, Dan J Stein, Jack van Honk, Susan Malcolm-Smith
Positive social cues, like happy facial expressions, activate the brain's reward system and indicate interest in social affiliation. Facial mimicry of emotions, which is the predominantly automatic and unconscious imitation of another person's facial expression, has been shown to promote social affiliation. It has been demonstrated repeatedly that the opioid system is vital to social affiliation in rodents, but there is less evidence in humans. We investigated whether a 50mg administration of naltrexone, an opioid antagonist with highest affinity for the mu-opioid system, modulates emotional mimicry...
August 23, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27565118/an-internet-based-intervention-for-depression-in-primary-care-in-spain-a-randomized-controlled-trial
#12
Jesús Montero-Marín, Ricardo Araya, María C Pérez-Yus, Fermín Mayoral, Margalida Gili, Cristina Botella, Rosa Baños, Adoración Castro, Pablo Romero-Sanchiz, Yolanda López-Del-Hoyo, Raquel Nogueira-Arjona, Margarita Vives, Antoni Riera, Javier García-Campayo
BACKGROUND: Depression is the most prevalent cause of illness-induced disability worldwide. Face-to-face psychotherapeutic interventions for depression can be challenging, so there is a need for other alternatives that allow these interventions to be offered. One feasible alternative is Internet-based psychological interventions. This is the first randomized controlled trial (RCT) on the effectiveness of an Internet-based intervention on depression in primary health care in Spain. OBJECTIVE: Our aim was to compare the effectiveness of a low-intensity therapist-guided (LITG) Internet-based program and a completely self-guided (CSG) Internet-based program with improved treatment as usual (iTAU) care for depression...
2016: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/27488153/preferences-of-ophthalmic-plastics-patients-and-their-caregivers-toward-the-doctors-attire-and-initial-communications-a-tertiary-eye-care-study
#13
Sadiya Iram, Winston D Prakash, Mohammad Javed Ali, Tarjani Vivek Dave, Milind N Naik
PURPOSE: The aims of this study were to determine the acceptability levels of different styles of the doctors' dress and the expectations from the initial phases of physician-patient encounter. METHODS: The study design was a cross-sectional descriptive type using the survey methodology. A survey based on a five-point questionnaire was performed on all consecutive patients or their caregivers, aged ≥15, visiting the ophthalmic plastics outpatient clinics at a tertiary eye care institute...
June 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27478442/a-new-total-digital-smile-planning-technique-3d-dsp-to-fabricate-cad-cam-mockups-for-esthetic-crowns-and-veneers
#14
F Cattoni, F Mastrangelo, E F Gherlone, G Gastaldi
Purpose. Recently, the request of patients is changed in terms of not only esthetic but also previsualization therapy planning. The aim of this study is to evaluate a new 3D-CAD-CAM digital planning technique that uses a total digital smile process. Materials and Methods. Study participants included 28 adult dental patients, aged 19 to 53 years, with no oral, periodontal, or systemic diseases. For each patient, 3 intra- and extraoral pictures and intraoral digital impressions were taken. The digital images improved from the 2D Digital Smile System software and the scanner stereolithographic (STL) file was matched into the 3D-Digital Smile System to obtain a virtual previsualization of teeth and smile design...
2016: International Journal of Dentistry
https://www.readbyqxmd.com/read/27446606/small-incision-lenticule-extraction-for-postkeratoplasty-myopia-and-astigmatism
#15
Tamer H Massoud, Osama Ibrahim, Kitty Shehata, Moones F Abdalla
Purpose. To evaluate the visual and refractive outcomes after small incision lenticule extraction (SMILE) for treating myopia and myopic astigmatism after penetrating keratoplasty (PKP). Design. Case-series. Methods. Ten eyes of 10 patients with previous PKP and residual myopic astigmatism for whom pentacam imaging and thickness measurements were acceptable for laser vision correction. Manifest refraction (MR), uncorrected distance visual acuity (UDVA), and corrected distance visual acuity (CDVA) were obtained preoperatively and one day, one week, and one, 3, and 6 months postoperatively...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27441169/promoting-positive-affect-through-smartphone-photography
#16
Yu Chen, Gloria Mark, Sanna Ali
BACKGROUND: With the increasing quality of smartphone cameras, taking photos has become ubiquitous. This paper investigates how smartphone photography can be leveraged to help individuals increase their positive affect. METHODS: Applying findings from positive psychology, we designed and conducted a 4-week study with 41 participants. Participants were instructed to take one photo every day in one of the following three conditions: a selfie photo with a smiling expression, a photo of something that would make oneself happy and a photo of something that would make another person happy...
2016: Psychology of Well-being
https://www.readbyqxmd.com/read/27433549/digital-smile-design-concept-delineates-the-final-potential-result-of-crown-lengthening-and-porcelain-veneers-to-correct-a-gummy-smile
#17
Richard Trushkowsky, David Montalvo Arias, Steven David
Prior to initiating any treatment, it is necessary to visualize the desired outcomes. It then becomes possible to formulate the steps required to achieve this result. Digital Smile Design (DSD) utilizes patient input and information gathered through diagnostic procedures to create an esthetic treatment scheme. In the case presented here, the NYUCD Esthetic Evaluation Form, intraoral and extraoral photographs, mounted diagnostic casts, physical examination, and radiographs were the diagnostic modalities. The gathered information served as a starting point for a wax-up and intraoral mock-up...
2016: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/27424396/techniques-for-predictable-aesthetic-smile-designs
#18
Jason Olitsky
No abstract text is available yet for this article.
June 2016: Dentistry Today
https://www.readbyqxmd.com/read/27165262/persons-with-advanced-alzheimer-s-disease-engage-in-mild-leg-exercise-supported-by-technology-aided-stimulation-and-prompts
#19
Giulio E Lancioni, Nirbhay N Singh, Mark F O'Reilly, Jeff Sigafoos, Fiora D'Amico, Luigi M Addante, Katia Pinto
This study assessed whether nine persons with advanced Alzheimer's disease would learn to engage in leg responses (exercise) with the support of a technology-aided program, which provided (a) preferred stimulation contingent on the leg responses and (b) verbal reminders/prompts in case of no responding. The study was conducted according to a non-concurrent multiple baseline design across participants and involved sessions of 5 min. During the baseline, the participants' mean frequencies of leg responses ranged from zero to slightly above two per session...
May 10, 2016: Behavior Modification
https://www.readbyqxmd.com/read/27154432/a-digital-approach-to-improved-overdentures-for-the-adolescent-oligodontia-patient
#20
Lyndon F Cooper, Lee Culp, Nicole Luedin
OBJECTIVE: The use of overdentures for treatment of oligodontia in adolescent patients using conventional techniques has described limitations. The aim of the case report is to demonstrate the use of CAD (Computer Aided Design) CAM (Computer Aided Manufacture) technology to produce an esthetic monolithic polymethylmethacrylate prosthesis that is retentive and stable on insertion. CLINICAL CONSIDERATIONS: Adolescent oligodontia patients are typically not suitable candidates for dental implant therapy...
May 2016: Journal of Esthetic and Restorative Dentistry
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