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https://www.readbyqxmd.com/read/28433401/relaxed-open-mouth-reciprocity-favours-playful-contacts-in-south-american-sea-lions-otaria-flavescens
#1
Clara Llamazares-Martín, Chiara Scopa, Federico Guillén-Salazar, Elisabetta Palagi
Fine-tuning communication is well documented in mammalian social play which relies on a large variety of specific and non-specific signals. Facial expressions are one of the most frequent patterns in play communication. The reciprocity of facial signals expressed by the players provides information on their reciprocal attentional state and on the correct perception/decoding of the signal itself. Here, for the first time, we explored the Relaxed Open Mouth (ROM), a widespread playful facial expression among mammals, in the South American sea lion (Otaria flavescens)...
April 19, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28431998/european-college-of-orthodontics-commission-of-affiliation-and-titularization
#2
Sophie Mercier
Date of birth: 12/10/1987; sex: female. A. PRETREATMENT RECORDS: 24 years 8 months; 16/06/2011. DIAGNOSIS: Skeletal and dental Class I, maxillary endognathia, anterior vertical excess with open bite; teeth missing prior to treatment: 18, 28, 38, 48. TREATMENT PLAN: Appliances and devices: single-stage surgical-orthodontic treatment using pretorqued and preangled bimaxillary multibracket appliances with 0.022×0.028″ archwire, along with an expander during the surgical phase and then a transpalatal arch to stabilize the transverse correction...
April 18, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28425832/use-of-clear-aligners-in-open-bite-cases-an-unexpected-treatment-option
#3
Aldo Giancotti, Francesco Garino, Gianluca Mampieri
In open bite case treatments, a proper diagnostic differentiation is essential in determining the appropriate corrective procedures. Dental open bites are generally more responsive to treatment with orthodontics alone, whereas skeletal open bites often require a combination of orthodontics and orthognathic surgery. Patient selection and treatment principles for non-surgical open bite treatment routinely include fixed appliances both labial or lingual. However, removable clear aligners have gained a consistent popularity in the treatment of complex cases including open bite malocclusions...
April 20, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28425175/haemorrhagic-snake-venom-metalloproteases-and-human-adams-cleave-lrp5-6-which-disrupts-cell-cell-adhesions-in-vitro-and-induces-haemorrhage-in-vivo
#4
Tadahiko Seo, Taketo Sakon, Shiori Nakazawa, Asuka Nishioka, Kohei Watanabe, Kaori Matsumoto, Mari Akasaka, Narumi Shioi, Hitoshi Sawada, Satohiko Araki
Snake venom metalloproteases (SVMPs) are members of the a disintegrin and metalloprotease (ADAM) family of proteins, as they possess similar domains. SVMPs are known to elicit snake venom-induced haemorrhage; however, the target proteins and cleavage sites are not known. In this work, we identified a target protein of vascular apoptosis-inducing protein 1 (VAP1), an SVMP, relevant to its ability to induce haemorrhage. VAP1 disrupted cell-cell adhesions by relocating VE-cadherin and γ-catenin from the cell-cell junction to the cytosol, without inducing proteolysis of VE-cadherin...
April 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28384462/can-a-10-minute-questionnaire-identify-significant-psychological-issues-in-patients-with-temporomandibular-joint-disease
#5
Shang-Lun Lin, Shang-Liang Wu, Hsien-Te Huang, For-Wey Lung, Tzong-Cherng Chi, Jung-Wu Yang
PURPOSES: For patients with disc displacement disorders (DDDs), psychiatric illness increases the risk of worsening postsurgical pain, postoperative delirium, postoperative incomplete recovery, and worse postoperative life quality. This study provides a fast and practical protocol to evaluate psychological conditions of patients with DDDs of the temporomandibular joint (TMJ) in clinical care. MATERIALS AND METHODS: The populations under investigation in this cross-sectional study included patients with DDD who received treatment from October 2012 through June 2016...
March 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28380471/nonsurgical-treatment-of-a-severe-skeletal-anterior-open-bite
#6
Chadi Kassir, Antoine Saade
No abstract text is available yet for this article.
February 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/28371839/excellent-versus-unacceptable-orthodontic-results-influencing-factors
#7
Katharina Klaus, Philipp Stark, Tara Suzan Paula Serbesis, Hans Pancherz, Sabine Ruf
Aim: To retrospectively compare patients with excellent and unacceptable orthodontic treatment results with respect to possible prognostic factors. Material and methods: All patients, who completed treatment at the Department of Orthodontics of the Justus-Liebig-University Giessen, Germany between 1993 and 2009 with an excellent or unacceptable outcome according to the Ahlgren index. Possibly influencing factors regarding case history, treatment, cephalometrics, and plaster casts were analyzed...
March 24, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28364892/management-of-overbite-with-the-invisalign-appliance
#8
Roozbeh Khosravi, Bobby Cohanim, Philippe Hujoel, Sam Daher, Michelle Neal, Weitao Liu, Greg Huang
INTRODUCTION: Most of the published literature on the management of overbite with the Invisalign appliance (Align Technology, Santa Clara, Calif) consists of case reports and case series. METHODS: In this retrospective study of 120 patients, we sought to assess the nature of overbite changes with the Invisalign appliance. Records were collected from 3 practitioners, all experienced with the Invisalign technique. The patients were consecutively treated adults (>18 years old) who underwent orthodontic treatment only with the Invisalign appliance...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28362689/collaboration-patterns-and-processes-between-dentists-and-dental-laboratories-when-planning-and-fabricating-implant-supported-restorations
#9
Noga Harel, Avi Meirowitz, Jonathan Block, Ady Palti, Shlomo Matalon, Zeev Ormianer
INTRODUCTION: The success of implant-supported restorations is dependent on proper treatment planning, effective communication within the clinical team, and the use of appropriate methods and materials in the dental laboratory. The objective of this study was to determine collaboration trends between dentists and laboratories and to assess the common methods and materials involved in fabricating implant-supported restorations. METHODS: Questionnaires were distributed to dental laboratories and technicians...
March 29, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28358288/profile-of-orofacial-dysfunction-in-brazilian-children-using-the-nordic-orofacial-test-screening
#10
Bianca Lopes Cavalcante-Leão, Sara Regina Barancelli Todero, Fernanda Morais Ferreira, Maria Beatriz Duarte Gavião, Fabian Calixto Fraiz
OBJECTIVE: The parameters of orofacial dysfunction (OFD) in children can guide clinicians and researchers in the monitoring of deviations from normality. The aim for this study was to evaluate manifestation patterns and the prevalence of OFD in children. MATERIALS AND METHODS: A population-based cross-sectional study was conducted involving 531 schoolchildren (8-10 years old) in a small city in southern Brazil. OFD was evaluated using the Nordic Orofacial Test-Screening (NOT-S)...
May 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28321256/biochemical-and-clinical-assessments-of-segmental-maxillary-posterior-tooth-intrusion
#11
Jintana Tasanapanont, Tanapan Wattanachai, Janya Apisariyakul, Peraphan Pothacharoen, Siriwan Ongchai, Prachya Kongtawelert, Marit Midtbø, Dhirawat Jotikasthira
Objective. To compare chondroitin sulphate (CS) levels around maxillary second premolars, first molars, and second molars between the unloaded and the loaded periods and to measure the rates of intrusion of maxillary posterior teeth during segmental posterior tooth intrusion. Materials and Methods. In this prospective clinical study, 105 teeth (from 15 patients exhibiting anterior open bite and requiring maxillary posterior tooth intrusion) were studied. Competitive ELISA was used to detect CS levels. Dental casts (during the unloaded and loaded periods) were scanned, and posterior tooth intrusion distances were measured...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28318918/comparison-of-functional-outcomes-and-patient-reported-satisfaction-between-titanium-and-absorbable-plates-and-screws-for-fixation-of-mandibular-fractures-a-one-year-prospective-study
#12
Maria Belén Leno, Stanley Yung Liu, Chien-Tzung Chen, Han-Tsung Liao
PURPOSE: The aim of this study is to compare the 1-year functional outcomes and patient-reported satisfaction in treating mandibular fractures between resorbable and titanium fixation devices. MATERIALS AND METHODS: A 1-year prospective study was conducted; 41 consecutive patients presenting with mandibular fractures were included. A resorbable system was used in 21 patients, while in 20 patients a titanium fixation device was used. Functional outcome was evaluated objectively at several time points (2, 4 and 6 weeks, 3 and 6 months, and 1 year after surgery)...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318870/anterior-open-bite-correction-by-le-fort-i-osteotomy-with-or-without-anterior-segmentation-which-is-more-stable
#13
I N Ismail, Y Y Leung
A retrospective cohort study was conducted to analyze the relapse rate of anterior open bite (AOB) correction comparing Le Fort I osteotomy with and without anterior segmentation. The risk factors that might contribute to relapse were also assessed. Lateral cephalograms obtained at six different times were analyzed. A total of 81 patients with AOB were recruited. Thirty-five patients underwent Le Fort I osteotomy without anterior segmentation and 46 patients underwent anterior segmentation. Le Fort I osteotomy with anterior segmentation resulted in significantly more AOB relapse when compared to that without anterior segmentation at 7 weeks postoperative (15...
March 15, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28318311/treatment-of-vertical-maxillary-excess-without-open-bite-in-a-skeletal-class-ii-hyperdivergent-patient
#14
Cheol-Ho Paik, Hong-Sik Park, Hyo-Won Ahn
A 20-year-old woman visited the office complaining of a gummy smile and lip protrusion. She was diagnosed with vertical maxillary excess without open bite and skeletal Class II hyperdivergent pattern. She refused the surgical-orthodontic treatment option, although she wanted to correct the gummy smile and retruded chin. Differential intrusion of anterior and posterior teeth in both arches was necessary to maximize the skeletal treatment effects. In the maxilla, one palatal temporary anchorage device (TAD), an archwire with an accentuated curve of Spee, and a transpalatal arch were applied...
March 20, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28315965/evaluation-of-oral-manifestations-of-patients-with-mucopolysaccharidosis-iv-and-vi-clinical-and-imaging-study
#15
Renata Quirino de Almeida-Barros, Paula Frassinetti Vasconcelos de Medeiros, Marcella Quirino de Almeida Azevedo, Adriana de Oliveira Lira Ortega, Angela Toshie Araki Yamamoto, Sheyla Kátia Lúcio Dornelas, Patrícia Meira Bento
OBJECTIVE: The aim of this study is to assess oral manifestations in patients with mucopolysaccharidosis IV (MPS IVA) and mucopolysaccharidosis VI (MPS VI). MATERIALS AND METHODS: Seventeen patients were assessed, nine with MPS IVA and eight with MPS VI, treated at the Medical Genetics Outpatient Clinic of Hospital Universitário Alcides Carneiro (HUAC) in Campina Grande, Paraíba State, Brazil. Assessments included clinical and intraoral examinations, analysis of occlusal function, and panoramic X-rays...
March 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28288293/prevalence-of-temporomandibular-dysfunction-and-its-association-with-malocclusion-in-children-an-epidemiologic-study
#16
Fundagül Bilgiç, İbrahim Erhan Gelgör
INTRODUCTION: Malocclusion is one etiological factor of temporomandibular joint disorder (TMD). This study investigates the prevalence of TMD and the relationship between TMD and the type of occlusion. STUDY DESIGN: A sample of 923 children (463 girls and 460 boys, ages 7-12 years old) was grouped not only by chronological age but also by gender. The information was collected on functional occlusion (anterior and lateral sliding, interferences), dental wear, mandibular mobility (maximal opening, deflection, deviation), and temporomandibular joint and muscular pain recorded by palpation...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28279191/effectiveness-of-autodissemination-stations-containing-pyriproxyfen-in-reducing-immature-aedes-albopictus-populations
#17
Isik Unlu, Devi S Suman, Yi Wang, Kim Klingler, Ary Faraji, Randy Gaugler
BACKGROUND: Aedes albopictus, the Asian tiger mosquito, is an aggressive, highly anthropophilic, day-biting mosquito with an expanding geographic range. Suppression of Ae. albopictus is difficult because of the abundance and prevalence of larval habitats within peridomestic environments, particularly cryptic habitats such as corrugated extension spouts, fence post openings, discarded food containers, etc. Because of the challenges of eliminating or treating larval habitats of this species, we tested an autodissemination concept to contaminate these habitats with the insect growth regulator pyriproxyfen...
March 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28277719/stick-weaving-innovative-behavior-in-tamarins-saguinus-oedipus
#18
Charles T Snowdon, Thomas R Roskos
Some captive cotton-top tamarins spontaneously weave sticks in the mesh of their enclosures so that the stick is lodged between two mesh openings. Sticks are broken from natural branches placed in the enclosures and often modified by biting them in the center before weaving through the mesh. To investigate this further, we systematically surveyed all animals in our colony and found that all successful stick-weaving tamarins were descendants from only 2 of the 16 breeding groups contributing to the colony membership at the time of surveying or were the mates of these descendants, suggesting stick-weaving is a socially learned behavior...
March 9, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28274054/occlusal-traits-of-primary-dentition-among-pre-school-children-of-mehsana-district-north-gujarat-india
#19
Shoba Fernandes, Dhvani Gordhanbhai Patel, Eraveni Ranadheer, Jayasudha Kalgudi, Jaysukh Santokì, Shaila Chaudhary
INTRODUCTION: Aesthetic and functional problems in the dentofacial complex among children are often attributed to the disturbances in the dentofacial growth and development. This can be recognized during routine dental visits. This study pursued to assess the occlusion of the primary dentition in three to five-year-old children. AIM: To study the occlusal traits of the primary dentition in a group of three to five-year-old North Gujarat children of Mehsana district and the variation in their occlusion relative to age and gender in the same group...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28257744/twenty-year-follow-up-of-a-familial-case-of-pth1r-associated-primary-failure-of-tooth-eruption
#20
Cláudia Misue Kanno, José Américo de Oliveira, José Fernando Garcia, Helmut Roth, Bernhard H F Weber
INTRODUCTION: Nonsyndromic primary failure of eruption (PFE) is a rare autosomal dominant disorder of dental eruption with no obvious dental or soft tissue interference. The purposes of this study were to genetically and clinically characterize a family with many members affected by PFE and to describe the natural evolution of the disorder. METHODS: Three generations of a family with 18 members, 10 of them clinically affected by PFE, were evaluated periodically during 20 years of clinical follow-up...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
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