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https://www.readbyqxmd.com/read/29053560/evaluation-of-human-corneal-lenticule-quality-after-smile-with-different-cap-thicknesses-using-scanning-electron-microscopy
#1
Shengbei Weng, Manli Liu, Xiaonan Yang, Fang Liu, Yugui Zhou, Haiqin Lin, Quan Liu
PURPOSE: To evaluate the surface characteristics of lenticules created by small-incision lenticule extraction (SMILE) with different cap thicknesses. METHODS: This prospective study included 20 consecutive patients who underwent bilateral SMILE. Surface regularity of the extracted corneal lenticule was analyzed using scanning electron microscopy (SEM) combined with 2 methods: qualitative and quantitative regularity. Qualitative regularity of SEM images was graded by masked observers using an established scoring system...
October 17, 2017: Cornea
https://www.readbyqxmd.com/read/29048304/trustworthiness-of-a-smile-as-a-function-of-changes-in-the-eye-expression
#2
Andrés Fernández-Martín, Patricia Álvarez-Plaza, Laura Carqué, Manuel G Calvo
BACKGROUND: Trusting other people is necessary for satisfactory and successful social interaction. A person’s perceived trustworthiness is related to perceived facial happiness. We investigated how trustworthy someone with a smiling face looks depending on changes in eye expression. METHOD: Video-clips of dynamic expressions were presented, with different combinations of the mouth (smiling vs. neutral) and the eyes (happy, neutral, surprised, sad, fearful, disgusted, or angry)...
November 2017: Psicothema
https://www.readbyqxmd.com/read/29048032/comparison-of-hyperspectral-imaging-spectrometer-designs-and-the-improvement-of-system-performance-with-freeform-surfaces
#3
Chang Liu, Christoph Straif, Thomas Flügel-Paul, Uwe D Zeitner, Herbert Gross
Hyperspectral-grating-based imaging spectrometer systems with F/3 and covering the visual-near-infrared (420-1000 nm) spectral range are investigated for monitoring Earth's environmental changes. The systems have an entrance slit of 24 μm and a 6.5 nm spectral resolution. Both smile and keystone distortions are smaller than 20% of the pixel pitch. We benefit from the development in freeform technology and design 15 different systems with the help of off-axis aspheric and freeform surfaces. The potential of each system is explored with the help of nonspherical surfaces...
August 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/29043973/-aesthetic-perception-of-the-vertical-position-of-the-incisal-edges-of-the-maxillary-lateral-incisors-in-the-smile-arch
#4
Sophie Stolz, François Lefebvre, Yves Bolender, Daniel Kanter
INTRODUCTION: The aim of this study is to assess the attractiveness in the smile arch of different vertical positions of the incisal edges of the maxillary lateral incisors. MATERIAL AND METHODS: A frontal photograph of a Caucasian woman's smile was digitally modified to obtain an image with the incisal edges of the maxillary lateral incisors symmetrically tangent to the smile arch. These incisal edges were then moved vertically by 0.5 mm increments. The value was considered positive for an occlusal shift and negative for a gingival shift...
September 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/29042176/effect-of-v-y-plasty-on-lip-lengthening-and-treatment-of-gummy-smile
#5
E Dilaver, S Uckan
The aim of this study was to assess the effect of isolated V-Y plasty on lip lengthening and the treatment of gummy smile. An isolated V-Y plasty was performed on 14 patients with a gummy smile. In each case, measurements of upper lip length and gingival display were recorded from posed-smile photographs taken preoperatively and at 1, 3, and 6 months postoperatively. Gingival display decreased significantly and lip length increased significantly over all intervals investigated. Applying this technique after Le Fort I surgery may be beneficial; however, as with other injection or surgical lip lengthening methods, its stand-alone application should be questioned...
October 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29041716/efficient-method-to-measure-the-spectral-distortions-using-periodically-distributed-slit-in-hyperspectral-imager
#6
Jinsuk Hong, Youngsoo Kim, Byungin Choi, Seongryung Hwang, Dohwan Jeong, Jun Ho Lee, Yeonsoo Kim, Hyunsook Kim
The imaging spectrometer generally shows geometrical asymmetric distortions known as the keystone and smile that are different from the regular imaging optical system. The conventional method of measuring such distortions requires a precision movement control stage and specialized optical setup. Moreover, it is even harder to measure other characteristics such as the wave front error (WFE) simultaneously and to repeat the measurements since an accumulated vast number of statistical data is required to calculate the keystone and smile...
August 21, 2017: Optics Express
https://www.readbyqxmd.com/read/29034293/comprehensive-data-on-a-2d-qsar-model-for-heme-oxygenase-isoform-1-inhibitors
#7
Emanuele Amata, Agostino Marrazzo, Maria Dichiara, Maria N Modica, Loredana Salerno, Orazio Prezzavento, Giovanni Nastasi, Antonio Rescifina, Giuseppe Romeo, Valeria Pittalà
The data have been obtained from the Heme Oxygenase Database (HemeOxDB) and refined according to the 2D-QSAR requirements. These data provide information about a set of more than 380 Heme Oxygenase-1 (HO-1) inhibitors. The development of the 2D-QSAR model has been undertaken with the use of CORAL software using SMILES, molecular graphs and hybrid descriptors (SMILES and graph together). The 2D-QSAR model regressions for HO-1 half maximal inhibitory concentration (IC50) expressed as pIC50 (pIC50=-LogIC50) are here included...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29033208/surgical-treatment-of-synkinesis-between-smiling-and-eyelid-closure
#8
Federico Biglioli, Otilija Kutanovaite, Dimitri Rabbiosi, Giacomo Colletti, M A S Mohammed, Alberto M Saibene, Silvia Cupello, Antonino Privitera, Valeria M A Battista, Alessandro Lozza, Fabiana Allevi
Synkinetic movements are common among patients with incomplete recovery from facial palsy, with reported rates ranging from 9.1% to almost 100%. The authors propose the separation of the neural stimulus of the orbicularis oculi from that of the zygomatic muscular complex to treat eyelid closure/smiling synkinesis. This technique, associated with an anastomosis between the masseteric nerve and a central branch of the facial nerve, as well as with the use of a cross-facial nerve graft, resolves most of the spasms of the midface musculature, leading to a more relaxed tone when the mimic muscle is at rest and enhancing muscle excursion during voluntary and spontaneous smiling...
September 18, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29027524/-the-morphological-and-immunohistochemical-characteristics-of-stratified-mucin-producing-intraepithelial-lesion
#9
M V Shamarakova, A V Asaturova, L S Ezhova, M R Dumanovskaya, N M Faizullina, A V Kozachenko
Stratified mucin-producing intraepithelial lesion (SMILE) is a rare premalignant cervical lesion that combines the structural features of cervical intraepithelial neoplasia (CIN) and endocervical adenocarcinoma in situ (AIS). AIM: to analyze archival materials for the detection of SMILE and its subsequent morphological and immunohistochemical characterization. MATERIAL AND METHODS: Cervical cone specimens from 53 women with histologically verified CIN3 were examined...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/29026828/objective-outcomes-of-minimally-invasive-temporalis-tendon-transfer-for-prolonged-complete-facial-paralysis
#10
Michal Brichacek, Babar Sultan, Kofi D Boahene, Lisa Ishii, Patrick J Byrne
OBJECTIVES: We describe an approach to reanimation of complete, prolonged facial paralysis using minimally invasive temporalis tendon transfer (MIT3) by the melolabial or transoral approach. Objective outcome measures are evaluated based on symmetry, and grading of preoperative/post-operative results and the scar at the melolabial fold. STUDY DESIGN: Retrospective cohort study. METHODS: Twenty-five patients undergoing the MIT3 technique were studied...
August 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29025287/-incidence-and-treatment-of-extranodal-natural-killer-t-cell-lymphoma-nasal-type-hungarian-experiences
#11
Annamária Bakos, Árpád Szomor, Tamás Schneider, Zsófia Miltényi, Imelda Marton, Zita Borbényi, Judit Pammer, László Krenács, Enikő Bagdi, Klára Piukovics
INTRODUCTION: Extranodal natural killer/T (NK/T) cell lymphoma, nasal type (ENKTL) represents a rare subtype of T-cell lymphomas with aggressive clinical behavior according to WHO 2016 classification. AIM: ENKTL has distinctive geographic distribution with higher incidence in Asia and Latin America (10% of all non-Hodgkin lymphoma cases), than in Europe and North America (<1%). ENKTL tipically origins from nasopharynx and upper aerodigestive tract. Anthracycline-based chemotherapy regimens are largely ineffective in the treatment of ENKTL...
October 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29022662/-infectious-diseases-as-you-have-never-read-them
#12
Daniel Genné
Infectious diseases is known as a serious medical discipline. Nevertheless some experiences related by patients and unusual studies can bring a smile on your face. In this article, you will find a sample of rare and original studies in this field, extracted from a collection of comical published medical articles.
October 11, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29019380/save-our-smiles
#13
EDITORIAL
Ronald E Cox
No abstract text is available yet for this article.
June 22, 2017: Journal of the California Dental Association
https://www.readbyqxmd.com/read/29019379/special-smiles-sports-dentistry-and-the-special-needs-athlete
#14
EDITORIAL
H Barry Waldman, Steven P Perlman, Luc Marks, Thaddeus J Arnold
There is a need to expand dental services to underserved populations, such as athletes with intellectual and developmental disabilities. This review introduces dentists to this need by sharing the direction taken by the Special Smiles program of Special Olympics and addressing the need to educate special needs athletes on prevention and care of sports-related mouth injuries.
June 22, 2017: Journal of the California Dental Association
https://www.readbyqxmd.com/read/29018636/detecting-dementia-through-interactive-computer-avatars
#15
Hiroki Tanaka, Hiroyoshi Adachi, Norimichi Ukita, Manabu Ikeda, Hiroaki Kazui, Takashi Kudo, Satoshi Nakamura
This paper proposes a new approach to automatically detect dementia. Even though some works have detected dementia from speech and language attributes, most have applied detection using picture descriptions, narratives, and cognitive tasks. In this paper, we propose a new computer avatar with spoken dialog functionalities that produces spoken queries based on the mini-mental state examination, the Wechsler memory scale-revised, and other related neuropsychological questions. We recorded the interactive data of spoken dialogues from 29 participants (14 dementia and 15 healthy controls) and extracted various audiovisual features...
2017: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/28994341/-a-sweet-smile-the-modulatory-role-of-emotion-in-how-extrinsic-factors-influence-taste-evaluation
#16
Qian Janice Wang, Charles Spence
It has recently been demonstrated that the reported tastes/flavours of food/beverages can be modulated by means of external visual and auditory stimuli such as typeface, shapes, and music. The present study was designed to assess the role of the emotional valence of the product-extrinsic stimuli in such crossmodal modulations of taste. Participants evaluated samples of mixed fruit juice whilst simultaneously being presented with auditory or visual stimuli having either positive or negative valence. The soundtracks had either been harmonised with consonant (positive valence) or dissonant (negative valence) musical intervals...
October 10, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28992659/monte-carlo-method-based-qsar-studies-of-mer-kinase-inhibitors-in-compliance-with-oecd-principles
#17
Parvin Kumar, Ashwani Kumar
Monte Carlo method based QSAR studies for inhibitors of Mer kinase, a potential novel target for cancer treatment, has been carried out using balance of correlation technique. The data was divided into three random and dissimilar splits and hybrid optimal descriptors derived from SMILES and hydrogen filled graphs based notations were used for construction of QSAR models. The generated models have good fitting ability, robustness, generalizability and internal predictive ability. The external predictive ability has been tested using multiple criteria and described models exhibited good performance in all of these tests...
October 9, 2017: Drug Research
https://www.readbyqxmd.com/read/28983530/ceramic-laminate-veneers-clinical-procedures-with-a-multidisciplinary-approach
#18
Marco Veneziani
Complex cases with high esthetic needs represent a challenge for clinicians. A multidisciplinary approach is vital to achieve the planned result. New technological devices are needed to facilitate the collaboration between the clinical team members and to develop a fluent and effective diagnostic and therapeutic pathway. This article describes a well-defined protocol for the treatment of complex esthetic cases with the use of ceramic laminate veneers. The protocol involves different branches of dentistry: periodontal therapy, mucogingival surgery, restorative dentistry, orthodontics, and prosthodontics...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28979096/ectasia-following-small-incision-lenticule-extraction-smile-a-review-of-the-literature
#19
REVIEW
Majid Moshirfar, Julio C Albarracin, Jordan D Desautels, Orry C Birdsong, Steven H Linn, Phillip C Hoopes
PURPOSE: Four cases of corneal ectasia after small-incision lenticule extraction (SMILE) have been reported. In this review, we provide an overview of the published literature on corneal ectasia after SMILE and risk factors associated with this complication. METHODS: Case reports were identified by a search of seven electronic databases for pertinent heading terms between 2011 and July 2017. We identified patient characteristics and surgical details including preoperative topography, central corneal thickness, and anterior keratometry (Km)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28977778/novel-translucent-and-strong-submicron-alumina-ceramics-for-dental-restorations
#20
M Zhao, Y Sun, J Zhang, Y Zhang
An ideal ceramic restorative material should possess excellent aesthetic and mechanical properties. We hypothesize that the high translucency and strength of polycrystalline ceramics can be achieved through microstructural tailoring. The aim of this study is to demonstrate the superior optical and mechanical properties of a new class of submicron grain-sized alumina ceramics relative to the current state-of-the-art dental ceramic materials. The translucency, the in-line transmission ( TIT) in particular, of these submicron alumina ceramics has been examined with the Rayleigh-Gans-Debye light-scattering model...
October 1, 2017: Journal of Dental Research
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