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https://www.readbyqxmd.com/read/28527188/optimum-pure-intrusion-of-a-mandibular-canine-with-the-segmented-arch-in-lingual-orthodontics
#1
Abhishek M Thote, Krishna Sharma, Rashmi V Uddanwadiker, Sunita Shrivastava
BACKGROUND: Approximately 50% patients with a deep bite possess anatomically extruded mandibular canines. OBJECTIVE: The objective of this study was to specify an optimum toe (Θ) of the vertical segment of a cantilever from the distal aspect to achieve pure intrusion of a mandibular canine with the segmented arch in lingual orthodontics (LiO). METHODS: The geometrical model of a mandibular canine was developed to compute the required values of Θ (positive values - toe-in, negative values - toe-out)...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28515206/widespread-ecomorphological-convergence-in-multiple-fish-families-spanning-the-marine-freshwater-interface
#2
Aaron M Davis, Ricardo Betancur-R
The theoretical definition and quantification of convergence is an increasingly topical focus in evolutionary research, with particular growing interest on study scales spanning deep phylogenetic divergences and broad geographical areas. While much progress has recently been made in understanding the role of convergence in driving terrestrial (e.g. anole lizards) and aquatic (e.g. cichlids) radiations, little is known about its macroevolutionary effects across environmental gradients. This study uses a suite of recently developed comparative approaches integrating diverse aspects of morphology, dietary data, habitat affiliation and phylogeny to assess convergence across several well-known tropical-temperate fish families in the percomorph suborder Terapontoidei, a clade with considerable phenotypic and ecological diversity radiating in both marine and freshwater environments...
May 17, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28480098/evaluation-of-the-correlation-of-ramus-height-gonial-angle-and-dental-height-with-different-facial-forms-in-individuals-with-deep-bite-disorders
#3
S C Ahila, C Sasikala, B Muthu Kumar, Rajdeep Tah, K Abinaya
BACKGROUND: Restoring the vertical dimension is a critical procedure in prosthetic dentistry. Anterior facial height has a significant impact on the length of the ramus. Patients with deep bite will exhibit a shorter lower facial height; hence, restoring the vertical dimension esthetically without altering the facial form is highly challenging. AIM: To evaluate the relationship of gonial angle, ramus height, and dental height with different facial forms. SUBJECTS AND METHODS: A total of 51 subjects in all facial form aged between 20 and 40 with deep bite were randomly selected...
July 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28459247/conservative-functional-and-esthetic-rehabilitation-of-severe-palatal-erosion-class-iv-using-modified-dahl-approach
#4
Aliasger Tunkiwala, Rajeev Chitguppi
This article demonstrates the clinical application of biomechanical and occlusal principles to conservatively provide optimal clinical outcomes in restoring an eroded anterior dentition. The authors manage a challenging case involving limited palatal clearance (ie, deep bite) coupled with palatal erosion and wear by combining the centric relation (CR) and Dahl principles to create anterior interocclusal space to reduce the need for more invasive palatal reduction. The combined use of adhesive restorations-resin composites on the palatal surface and indirect porcelain veneers on the facial/incisal surfaces-through enamel and dentin bonding helped optimize esthetic and functional/biomechanical aspects...
May 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28443568/the-compartment-syndrome-associated-with-deep-vein-thrombosis-due-to-rattlesnake-bite-a-case-report
#5
Radu Ciprian Tincu, Zoie Ghiorghiu, Dana Tomescu, Radu Alexandru Macovei
BACKGROUND: Snakebite is a health issue specific to some parts of the world, especially in the tropical area, where it produces many victims. The main clinical damage caused by snake bite involves hemotoxic, neurotoxic and myotoxic reactions. It is also established that the importance of systemic impairment varies according to individual factors and are related to organ dysfunction, shock or hypotension. We report the case of a young woman suffering from snakebite who developed deep vein thrombosis and compartment syndrome...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28384976/computed-tomographic-evaluation-of-condylar-symmetry-and-condyle-fossa-relationship-of-the-temporomandibular-joint-in-subjects-with-normal-occlusion-and-malocclusion-a-comparative-study
#6
Vivek Reddy Ganugapanta, Swaroopa Rani Ponnada, Kranthi Praveen Raju Gaddam, Kiran Perumalla, Imran Khan, Naqeed Abdul Mohammed
INTRODUCTION: The relationship of the condyle and the mandibular fossa differs in shape with type of malocclusion and skeletal pattern. A review of literature shows till date there are no studies on Temporomandibular Joint (TMJ) condyle-fossa relation to the type of malocclusion based on growth pattern. Computed Tomography (CT) provides optimal imaging of the osseous components of the TMJ. AIM: The purpose of this study was to investigate the condyle-fossa relationship and the dimensional and positional symmetries between the right and left condyles in subjects with normal occlusion and malocclusion in different growth patterns utilizing the CT scans of the TMJ...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384462/can-a-10-minute-questionnaire-identify-significant-psychological-issues-in-patients-with-temporomandibular-joint-disease
#7
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/28383155/boosting-vis-nir-charge-transfer-absorptions-of-iron-ii-complexes-by-n-alkylation-and-n-deprotonation-in-the-ligand-backbone
#8
Andreas K C Mengel, Christian Bissinger, Matthias Dorn, Oliver Back, Christoph Förster, Katja Heinze
Reversing the 3MLCT / 3MC excited state order in iron(II) complexes is a challenging objective, yet would finally result in longsought luminescent transition metal complexes with an earthabundant central ion. One approach to achieve this goal is based on low-energy charge transfer absorptions in combination with a strong ligand field. Coordinating electron rich and electron poor tridentate oligopyridine ligands with large bite angles at iron(II) enables both low-energy MLCT absorption bands around 590 nm and a strong ligand field...
April 6, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28334114/biren-predicting-enhancers-with-a-deep-learning-based-model-using-the-dna-sequence-alone
#9
Bite Yang, Feng Liu, Chao Ren, Zhangyi Ouyang, Ziwei Xie, Xiaochen Bo, Wenjie Shu
Motivation: Enhancer elements are noncoding stretches of DNA that play key roles in controlling gene expression programmes. Despite major efforts to develop accurate enhancer prediction methods, identifying enhancer sequences continues to be a challenge in the annotation of mammalian genomes. One of the major issues is the lack of large, sufficiently comprehensive and experimentally validated enhancers for humans or other species. Thus, the development of computational methods based on limited experimentally validated enhancers and deciphering the transcriptional regulatory code encoded in the enhancer sequences is urgent...
February 17, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28251806/implications-of-vertebrate-craniodental-evo-devo-for-human-oral-health
#10
REVIEW
Julia C Boughner
Highly processed diets eaten by postindustrial modern human populations coincide with higher frequencies of third molar impaction, malocclusion, and temporomandibular joint disorders that affect millions of people worldwide each year. Current treatments address symptoms, not causes, because the multifactorial etiologies of these three concerns mask which factors incline certain people to malocclusion, impaction, and/or joint issues. Deep scientific curiosity about the origins of jaws and dentitions continues to yield rich insights about the developmental genetic mechanisms that underpin healthy craniodental morphogenesis and integration...
March 2, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28226018/profile-of-human-anti-rabies-treatment-in-the-agreste-region-of-pernambuco-state-brazil-2010-2012
#11
Cleber Vinicius Brito Dos Santos, Rafaely Bezerra de Melo, Daniel Friguglietti Brandespim
Objective: to describe the characteristics of reported human anti-rabies treatment in municipalities of the 'agreste' region of Pernambuco State, Brazil, 2010-2012. Methods: this was a descriptive study using data from human anti-rabies medical records filed on the Information System for Notifiable Diseases (Sinan). Results: 10,138 reported records of anti-rabies treatment were included; canines were the most involved species (68.1%), in good health condition (79...
January 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28187592/-i-culicoides-i-latreille-biting-midges-diptera-ceratopogonidae-of-the-dongzhaigang-mangrove-forest-hainan-province-china
#12
Jia-Hui Li, David Gopurenko, DU-Cheng Cai, Ye-Meng Yang, Rong Hu, Arunrat Thepparat, April H Wardhana, Heung-Chul Kim, Terry A Klein, Myung-Soon Kim, Glenn A Bellis
The biting midge fauna of Dongzhaigang Mangrove Forest, Hainan Province, China was sampled on 14 October 2015 using three methods: a pan light trap operated from dusk until dawn the following morning and sweep net and human landing collections performed between 16:15-17:15 hr. Eight species, including two new records for China, Culicoides palawanensis and C. niphanae, and one new record for Hainan, C. circumbasalis, were collected. A key to assist with identification of specimens of these species is provided...
January 31, 2017: Zootaxa
https://www.readbyqxmd.com/read/28169270/using-loop-connectors-as-an-interim-mode-of-treatment-an-interdisciplinary-approach
#13
T Aby Mathew, Ashwin Thomas Koshy, Annie Susan Thomas, Angel Mary Joseph, Nicholas Mathew
To tackle a large midline diastema and generalized spacing existing before extraction often poses a challenge to the treating prosthodontist. The situation becomes even more complicated if the patient is a teenager, with multiple missing teeth, associated deep bite and where the jaw bone growth has not yet been completed. Possible treatment options would include a removable prosthesis, a fixed partial denture or an implant supported prosthesis. Treating such cases with a simple removable prosthesis cannot be justified if a deep bite existed which would result in posterior disocclusion...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28127538/cone-beam-computed-tomography-for-the-assessment-of-root-crown-ratios-of-the-maxillary-and-mandibular-incisors-in-a-korean-population
#14
Sung-Hwan Choi, Jung-Suk Kim, Cheol-Soon Kim, Hyung-Seog Yu, Chung-Ju Hwang
OBJECTIVE: This retrospective, cross-sectional study aimed to establish reference data for normal crown and root lengths and the root-crown ratios (R/C ratios) for the mature maxillary and mandibular incisors in a Korean population by using cone-beam computed tomography (CBCT). METHODS: We included 672 Korean patients (141 men and 531 women; mean age, 27.2 ± 7.7 years) who underwent CBCT examinations during various dental treatments. Crown and root lengths and the R/C ratios of the maxillary and mandibular incisors were measured using CBCT data, which were analyzed to detect significant differences between demographic factors as well as sagittal and vertical skeletal or occlusal relationships...
January 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28123248/rate-of-intrusion-of-maxillary-incisors-in-class-ii-div-1-malocclusion-using-skeletal-anchorage-device-and-connecticut-intrusion-arch
#15
Prasanna Kumar, Sanjeev Datana, S M Londhe, Abhijeet Kadu
BACKGROUND: Nonsurgical correction of deep bite involves either extrusion of posterior teeth, intrusion of incisors, or combination of both. The introduction of skeletal anchorage device with microimplant provides near absolute anchorage without producing any untoward effects on anchor unit. Connecticut Intrusion Arch (CIA) provided an efficient system of intruding anterior segment without producing much adverse affects on anchor teeth. METHODS: The study comprised of 30 patients of Class II Div 1 malocclusion with overbite of >6 mm and required therapeutic extractions of all first premolars, randomly distributed into two groups...
January 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28118925/treatment-of-the-first-bite-syndrome
#16
María Costales-Marcos, Fernando López Álvarez, Laura Fernández-Vañes, Justo Gómez, José Luis Llorente
First bite syndrome is a potential complication of surgery involving the infratemporal fossa, deep lobe of the parotid gland and parapharyngeal space. It is described as an acute and intense pain in the parotid region caused with the first bite of each meal. It is related to damage to sympathetic innervation of the parotid gland. Parasympathetic hyperactivation is believed to stimulate an exaggerated myoepithelial cell contraction causing pain. Usual analgesic treatments have poor results. Botulinum toxin type A causes parasympathetic nerve paralysis of the parotid gland and this fact would minimize salivation and decrease first bite syndrome...
January 21, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28050989/nonsurgical-management-of-adult-skeletal-class-3-with-deep-bite-utilizing-mini-implants
#17
Ali G Alhalabi, Salah Mahaini, Ghalia Shebib, Khaldoun Darwich, Luai Mahaini
Malocclusions with anterior crossbite are a major esthetic and functional concern for patients. This case report presents a 27-year-old Syrian female who was diagnosed with a class 3 malocclusion, combined with anterior crossbite, deep bite, concave profile, and inadequate maxillary incisor exposure. There was a centric occlusion (CO)/centric relation (CR) discrepancy and the mandible could be manipulated to near edge-to-edge incisal relation. Correction was done by class 3 intermaxillary elastics on upper and lower mini-implants for the first 6 months, followed by preadjusted edgewise appliance...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27987514/-effects-of-breast-feeding-duration-bottle-feeding-duration-and-oral-habits-on-the-occlusal-characteristics-of-primary-dentition
#18
X X Chen, B Xia, L H Ge, J W Yuan
OBJECTIVE: To assess the effects of breast-feeding duration, bottle-feeding duration and oral habits on the occlusal characteristics of primary dentition in 3-6-year-old children in Beijing. METHODS: This cross sectional study was conducted via an examination of the occlusal characteristics of 734 children combined with a questionnaire completed by their parents/guardians. The examination was performed by a single, previously calibrated examiner and the following variables were evaluated: presence or absence of deep overbite, open bite, anterior cross bite, posterior cross bite, deep overjet, terminal plane relationship of the second primary molar, primary canine relationship, crowding and spacing...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27938925/oximetry-in-obese-children-with-sleep-disordered-breathing
#19
Melania Evangelisti, Hanaa Shafiek, Jole Rabasco, Martina Forlani, Marilisa Montesano, Mario Barreto, Stijn Verhulst, Maria Pia Villa
BACKGROUND: Obesity is an important risk factor for obstructive sleep apnea syndrome (OSAS), and obese children with OSAS have frequently shown oxygen desaturations when compared with normal-weight children. The aim of our study was to investigate the oximetry characteristics in children with obesity and sleep-disordered breathing (SDB). METHODS: Children referred for suspected OSAS were enrolled in the study. All children underwent sleep clinical record (SCR), pulse oximetry, and polysomnography (PSG)...
November 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27901232/reliability-of-overbite-depth-indicator-odi-and-anteroposterior-dysplasia-indicator-apdi-in-the-assessment-of-different-vertical-and-sagittal-dental-malocclusions-a-receiver-operating-characteristic-roc-analysis
#20
Farheen Fatima, Mubassar Fida, Attiya Shaikh
Introduction: Differential diagnosis of skeletal and dental relationships is crucial for planning orthodontic treatment. Overbite depth indicator (ODI) and anteroposterior dysplasia indicator (APDI) had been introduced in the past for assessment of vertical and sagittal jaw relationships, respectively. Objective: The objectives of this study were to evaluate the reliability of ODI and APDI in overbite and Angle malocclusions, as well as assess their diagnostic reliability among males and females of different age groups...
September 2016: Dental Press Journal of Orthodontics
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