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https://www.readbyqxmd.com/read/29042176/effect-of-v-y-plasty-on-lip-lengthening-and-treatment-of-gummy-smile
#1
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/29040144/surgical-treatment-of-dentofacial-deformities-caused-by-juvenile-idiopathic-arthritis
#2
Patricia Stoor, Zlatan Hodzic, Sirpa Arte
The purpose of our retrospective study was to evaluate the results of orthognathic treatment, distraction osteogenesis, and/or prosthetic reconstruction of the temporomandibular joints in patients with juvenile idiopathic arthritis (JIA).Twelve patients with severely affected temporomandibular joints (TMJs) and reduced ramus height were treated with mandibular advancement with orthognathic surgery (11) and additional bilateral or unilateral mandibular ramus distraction (3) or additional bilateral or unilateral prosthetic reconstruction of the TMJ (3)...
October 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29039128/distal-femoral-flexion-deformity-from-growth-disturbance-treated-with-a-two-level-osteotomy-and-internal-lengthening-nail
#3
Austin T Fragomen, Fiona R Fragomen
Salter Harris fractures of the distal femur can lead to growth disturbance with resulting leg length inequality and knee deformity. We have looked at a case series (3) of patients who presented with a distal femur flexion malunion and shortening treated with a distal femoral osteotomy and plating and a proximal femoral osteotomy with a magnetic internal lengthening nail. Does a two-level osteotomy and internal fixation approach provide a reliable result both radiographically and functionally? The average knee extension loss was 12°, LLD 47 mm, PDFA 65°, MAD 2 mm...
October 16, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/29038859/refashioned-lamb-tissue-as-an-animal-model-for-training-complex-techniques-of-laryngotracheal-stenosis-surgery
#4
Lluís Nisa, Pedro Teiga, Gustavo Barreto da Cunha, Biswanath Roy, Riza Onder Gunaydin, Kishore Sandu
Open reconstructive upper airway surgery for laryngotracheal stenosis (LTS), whether for subglottic or tracheal stenosis, constitutes a group of complex approaches. LTS requiring open reconstruction is overall rare and primarily performed at tertiary centres. This poses an obvious challenge for the acquisition and maintenance of surgical skills for this group of complex approaches. In this context, animal models provide a unique opportunity for open reconstructive airway surgery training. Such models ought to take into consideration ethical aspects, be easily available and easy to maintain, and have similar macroscopic anatomical features to the human laryngotracheal frame...
October 16, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29035594/total-body-water-dynamics-estimated-with-bioelectrical-impedance-vector-analysis-and-b-type-natriuretic-peptide-after-exposure-to-hypobaric-hypoxia-a-field-study
#5
Giacomo Strapazzon, Matiram Pun, Tomas Dal Cappello, Emily Procter, Piergiorgio Lochner, Hermann Brugger, Antonio Piccoli
Strapazzon, Giacomo, Matiram Pun, Tomas Dal Cappello, Emily Procter, Piergiorgio Lochner, Hermann Brugger, and Antonio Piccoli. Total body water dynamics estimated with bioelectrical impedance vector analysis and B-type natriuretic peptide after exposure to hypobaric hypoxia: A field study. High Alt Med Biol. 18:000-000, 2017.-The relationship between total body water (TBW) dynamics and N-terminal pro-B-type natriuretic peptide (NT-proBNP), a stable metabolite of B-type natriuretic peptide, during acute high altitude exposure is not known...
October 16, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/29034271/effect-of-propolis-extract-in-combination-with-eugenol-free-dressing-coe-paktm-on-pain-and-wound-healing-after-crown-lengthening-a-randomized-clinical-trial
#6
Mitra Askari, Anna Saffarpour, Jalal Purhashemi, Atena Beyki
STATEMENT OF THE PROBLEM: Researchers have long been in search of products to enhance healing and patient comfort postoperatively. PURPOSE: This study aimed to assess the efficacy of propolis extract in combination with Coe-Pak(TM) dressing for pain relief and wound healing after crown lengthening surgery. MATERIALS AND METHOD: This randomized clinical trial was performed on 36 patients who were randomly divided into two groups of Coe-Pak(TM) dressing with (trial group) and without (control group) propolis extract...
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29033526/complexity-of-comprehensive-care-treatments-in-undergraduate-dental-programs-the-benefits-of-observing-and-assisting-experienced-faculty-members
#7
Moataz Elgezawi, Khalid Hassan, Adel Alagl, Ahmad M Al-Thobity, Basel Al-Mutairi, Thamir Al-Houtan, Shazia Sadaf
OBJECTIVE: To improve the confidence of the final year dental students in completing occlusal and oral rehabilitation of patients, with complexities beyond their scope, based on full analysis of the biomechanical and esthetic considerations of each case. MATERIAL & METHODS: Two comprehensive patient situations presenting with special difficulties including extensive, reduced vertical dimension of occlusion, limited interocclusal space and maxillary alveolar bone for implant insertion necessitating bone augmentation and a sinus lift surgery was managed by two students at our institute...
October 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/29032307/biomechanical-properties-of-different-techniques-used-in-vitro-for-suturing-mid-substance-achilles-tendon-ruptures
#8
Carlos De la Fuente, Carlos Cruz-Montecinos, Helen L Schimidt, Hugo Henríquez, Sebastián Ruidiaz, Felipe P Carpes
BACKGROUND: The Dresden technique preserves the paratenon during Achilles tendon repair and may improve the plantarflexor mechanism when combined with mobilization during early rehabilitation. However, the surgical repair design for Achilles tendon ruptures can affect rates of re-rupture or lengthening. Therefore, the aim of this study was to determine the biomechanical properties of the Krackow, Double-Kessler, Double-Dresden, and Triple-Dresden techniques used for repairing mid-substance Achilles tendon ruptures during cyclical and maximum traction...
October 9, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29031705/laparoscopic-repair-of-large-hiatal-hernia-without-the-need-for-esophageal-lengthening-with-low-morbidity-and-rare-symptomatic-recurrence
#9
Farzaneh Banki, Chandni Kaushik, David Roife, Kyle G Mitchell, Charles C Miller
The aim of this study was to assess symptomatic recurrence in patients who underwent a laparoscopic repair of large hiatal hernia without an esophageal lengthening procedure. Patients who underwent a laparoscopic repair of a large hiatal hernia from September 2009 to September 2015 by a single surgeon were identified in the retrospective review. The patients were followed up prospectively by the operating surgeon using a structured questionnaire, administered by telephone, to assess the symptoms. Symptomatic recurrence was defined as the requirement for a reoperative procedure for symptomatic recurrent hiatal hernia...
May 29, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29029560/failure-and-redemption-of-statistical-and-nonstatistical-rate-theories-in-the-hydroboration-of-alkenes
#10
Johnathan O Bailey, Daniel A Singleton
Our previous work found that canonical forms of transition state theory incorrectly predict the regioselectivity of the hydroboration of propene with BH3 in solution. In response, it has been suggested that alternative statistical and nonstatistical rate theories can adequately account for the selectivity. This paper uses a combination of experimental and theoretical studies to critically evaluate the ability of these rate theories, as well as dynamic trajectories and newly developed localized statistical models, to predict quantitative selectivities and qualitative trends in hydroborations on a broader scale...
October 13, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29029163/toxicity-and-sublethal-effects-of-cantharidin-on-musca-domestica-diptera-muscidae
#11
Hassan Yasoob, Hafiz Azhar Ali Khan, Yalin Zhang
The house fly, Musca domestica L. (Diptera: Muscidae), is a major pest of medical and veterinary importance all over the world. Management efforts for house flies are usually compromised owing to their resistance to many groups of conventional insecticides. Cantharidin, a natural toxin produced by meloid beetles, is a biopesticide with a reported toxicity to some insect pests including house flies. However, the effects of cantharidin on biological and fitness parameters of house flies have not yet been investigated...
September 27, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29027186/novel-technique-for-intraoperative-sciatic-nerve-assessment-in-complex-primary-total-hip-arthroplasty-a-pilot-study
#12
Shai S Shemesh, Jonathan Robinson, Samuel Overley, Michael J Bronson, Calin S Moucha, Darwin Chen
INTRODUCTION: Sciatic nerve injury (SNI) is a potentially devastating complication after total hip arthroplasty (THA). Intraoperative neural monitoring has been found in several studies to be useful in preventing SNI, but can be difficult to implement. In this study, we examine the results of using a handheld nerve stimulator for intraoperative sciatic nerve (SN) monitoring during complex THA requiring limb lengthening and/or significant manipulation of the SN. METHODS: A consecutive series of 11 cases (9 patients, 11 hips) with either severe developmental dysplasia of the hip (Crowe 3-4) or other underlying conditions requiring complex hip reconstruction involving significant leg lengthening and/or nerve manipulation...
October 9, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29026936/a-comparative-study-of-full-thickness-blepharotomy-versus-transconjunctival-eyelid-lengthening-in-the-correction-of-upper-eyelid-retraction-in-graves-orbitopathy
#13
Allan C Pieroni Gonçalves, Thiago Nogueira, Ana Carolina Arato Gonçalves, Luzia Diegues Silva, Suzana Matayoshi, Mário L R Monteiro
BACKGROUND: The study was designed to compare the outcome of full-thickness blepharotomy and transconjunctival eyelid lengthening in the correction of upper eyelid retraction (UER) in patients with Graves' orbitopathy (GO). METHODS: This is a prospective randomized interventional study. Following ophthalmic examination, determination of the ocular surface disease index (OSDI) and photography, 27 patients with UER were randomly assigned to either graded full-thickness blepharotomy (G1) or transconjunctival Müller muscle recession and graded disinsertion of the levator palpebrae superioris muscle (G2)...
October 12, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29026699/comparison-of-the-clinical-biological-width-with-the-published-standard-histologic-mean-values
#14
Fatme Mouchref Hamasni, Fady El Hajj
AIMS AND OBJECTIVES: Biologic width (BW) as defined by Cohen is the part of the supracrestal gingival tissues that occupy the space between the base of the gingival crevice and the alveolar crest; it includes the junctional epithelium and the connective tissue element. Interactions between dental crowns and the marginal periodontal tissues analyzed in many review papers concluded that the recognition of the BW, in terms of crown margin placement, is beneficial for periodontal health. Therefore, knowledge of the dimensions of the sum of the junctional epithelium and connective tissue attachment as well as the sulcus depth (SD) is of clinical relevance...
September 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29023566/cardiac-leiomodin2-binds-to-the-sides-of-actin-filaments-and-regulates-the-atpase-activity-of-myosin
#15
Dávid Szatmári, Beáta Bugyi, Zoltán Ujfalusi, László Grama, Réka Dudás, Miklós Nyitrai
Leiomodin proteins are vertebrate homologues of tropomodulin, having a role in the assembly and maintenance of muscle thin filaments. Leiomodin2 contains an N-terminal tropomodulin homolog fragment including tropomyosin-, and actin-binding sites, and a C-terminal Wiskott-Aldrich syndrome homology 2 actin-binding domain. The cardiac leiomodin2 isoform associates to the pointed end of actin filaments, where it supports the lengthening of thin filaments and competes with tropomodulin. It was recently found that cardiac leiomodin2 can localise also along the length of sarcomeric actin filaments...
2017: PloS One
https://www.readbyqxmd.com/read/29016847/a-point-mutation-in-the-ion-conduction-pore-of-ampa-receptor-gria3-causes-dramatically-perturbed-sleep-patterns-as-well-as-intellectual-disability
#16
Benjamin Davies, Laurence A Brown, Ondrej Cais, Jake Watson, Amber J Clayton, Veronica T Chang, Daniel Biggs, Christopher Preece, Polinka Hernandez-Pliego, Jon Krohn, Amarjit Bhomra, Stephen R F Twigg, Andrew Rimmer, Alexander Kanapin, Arjune Sen, Zenobia Zaiwalla, Gil McVean, Russell Foster, Peter Donnelly, Jenny C Taylor, Edward Blair, David Nutt, A Radu Aricescu, Ingo H Greger, Stuart N Peirson, Jonathan Flint, Hilary C Martin
The discovery of genetic variants influencing sleep patterns can shed light on the physiological processes underlying sleep. As part of a large clinical sequencing project, WGS500, we sequenced a family in which the two male children had severe developmental delay and a dramatically disturbed sleep-wake cycle, with very long wake and sleep durations, reaching up to 106-h awake and 48-h asleep. The most likely causal variant identified was a novel missense variant in the X-linked GRIA3 gene, which has been implicated in intellectual disability...
October 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29016427/comparison-of-intended-lengthening-of-magnetically-controlled-growing-rods-ultrasound-versus-x-ray
#17
Mutlu Cobanoglu, Suken A Shah, Peter Gabos, Kenneth Rogers, Petya Yorgova, Geraldine Neiss, Leslie Grissom, William G Mackenzie
BACKGROUND: In the treatment of early onset scoliosis (EOS), there has been a trend to use magnetically controlled growing rods (MCGR) in order to reduce the number of surgeries. To confirm the amount of lengthening, spine radiographs were required. Recently, ultrasound (US) has been added to monitor lengthening of MCGR to avoid radiation exposure. Our aim was to determine whether US is as accurate as plain radiography (x-ray) in determining the amount of length achieved at individual MCGR lengthening episodes...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28994345/modelling-period-fertility-schooling-and-intervals-following-a-birth-in-eastern-africa
#18
Catriona A Towriss, Ian M Timæus
We describe a regression-based approach to the modelling of age-, order-, and duration-specific period fertility, using retrospective survey data. The approach produces results that are free of selection biases and can be used to study differential fertility. It is applied to Demographic and Health Survey data for Ethiopia, Kenya, Tanzania, and Zimbabwe to investigate differential trends in fertility by education. Parity progression fell and the intervals following each birth lengthened between the 1970s and 2000s in all four countries...
October 10, 2017: Population Studies
https://www.readbyqxmd.com/read/28993086/chronological-changes-in-axial-alignment-of-the-ipsilateral-hip-and-knee-after-total-hip-arthroplasty
#19
Keisuke Akiyama, Katsuya Nakata, Makoto Kitada, Mitsuyoshi Yamamura, Hajime Owaki, Takeshi Fuji
BACKGROUND: Internal rotation of the hip and lateral patellar tilt increases after total hip arthroplasty (THA). However, it remains unknown whether these parameters change with time after the index THA. METHODS: A total of 91 patients undergoing 2-stage bilateral primary THAs between January 2008 and May 2014 were included to assess the association of chronological changes in internal rotation of the hip or lateral patellar tilt with anthropometric and perioperative parameter and changes in alignment after the index THA...
September 19, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28991912/the-cody-dependent-clhab2-operon-is-involved-in-cell-shape-chaining-and-autolysis-in-bacillus-cereus-atcc-14579
#20
Eugénie Huillet, Ludovic Bridoux, Pagakrong Wanapaisan, Agnès Rejasse, Qi Peng, Watanalai Panbangred, Didier Lereclus
The Gram-positive pathogen Bacillus cereus is able to grow in chains of rod-shaped cells, but the regulation of chaining remains largely unknown. Here, we observe that glucose-grown cells of B. cereus ATCC 14579 form longer chains than those grown in the absence of glucose during the late exponential and transition growth phases, and identify that the clhAB2 operon is required for this chain lengthening phenotype. The clhAB2 operon is specific to the B. cereus group (i.e., B. thuringiensis, B. anthracis and B...
2017: PloS One
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