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https://www.readbyqxmd.com/read/28321256/biochemical-and-clinical-assessments-of-segmental-maxillary-posterior-tooth-intrusion
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28257743/camouflage-of-a-high-angle-skeletal-class-ii-open-bite-malocclusion-in-an-adult-after-mini-implant-failure-during-treatment
#11
Eduardo Franzotti Sant'Anna, Amanda Carneiro da Cunha, Daniel Paludo Brunetto, Claudia Franzotti Sant'Anna
The treatment of skeletal anterior open-bite malocclusion requires complex orthodontic planning that considers its multifactorial etiology, treatment limitations, and high relapse rates. This case report illustrates a successful treatment approach for a skeletal high-angle Class II malocclusion in an adult with a severe open bite. The treatment consisted of a high-pull headgear therapy after mini-implants failure during fixed orthodontic therapy. Adequate esthetics and function were achieved. Despite its low probability, the unexpected event of mini-implant loosening during complex treatments should be considered...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28257729/extraction-frequencies-at-a-university-orthodontic-clinic-in-the-21st-century-demographic-and-diagnostic-factors-affecting-the-likelihood-of-extraction
#12
Tate H Jackson, Camille Guez, Feng-Chang Lin, William R Proffit, Ching-Chang Ko
INTRODUCTION: The aims of this study were to report contemporary orthodontic extraction frequencies at a university center and to investigate what patient-related factors might influence the likelihood of extraction. METHODS: The records of 2184 consecutive patients treated at the University of North Carolina from 2000 to 2011 were analyzed. Year-by-year rates for overall orthodontic extractions and for extraction of 4 first premolars were calculated. Logistic regression, adjusting for all recorded patient risk factors for extraction, was used to examine both the changes in extraction frequencies over time and the influence of individual patient factors on the odds of extraction...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28257719/-closed-reduction-principles-can-manage-diverse-conditions-of-temporomandibular-joint-vertical-height-loss-from-displaced-condylar-fractures-to-idiopathic-condylar-resorption
#13
Dorrit W Nitzan, Sandro Palla
PURPOSE: The aim of this case series was to describe a modification of the classic "closed reduction" technique to manage unilateral or anterior open bite owing to a loss in vertical height (LVH) caused by several disorders and pathologies other than displaced condylar fractures. MATERIALS AND METHODS: The protocol included insertion of an occlusal appliance to increase the height of the premature contact and the width of the open bite, stabilization of the dental arches by rigid arches, and the use, during sleep, of rubber bands in the open bite region to pull the mandible cranially...
February 7, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28257079/-looking-over-the-backyard-fence-householders-and-mosquito-control
#14
Samir Mainali, Ram Sharan Lamichhane, Kim Clark, Shelley Beatty, Maria Fatouros, Peter Neville, Jacques Oosthuizen
(1) Background: Vector-borne diseases are a significant public health problem in Western Australia. Mosquitoes are responsible for the transmission of a number of pathogens and may pose a serious nuisance problem. Prevention efforts in the State are multi-faceted and include physical, chemical, and cultural control methods for restricting mosquito breeding. This is less complex where breeding areas are located within public open spaces. In Australia's developed urban areas, breeding sites are, however, frequently located within private residential landholdings, where the scope of public health officials to act is constrained by law and practicality...
March 2, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28256692/-orofacial-alterations-and-surface-electromyography-in-neurodevelopmental-disorders
#15
V Rosell-Clari
INTRODUCTION: Surface electromyography has become a widely used technique for measuring the activity of different muscle groups. Although the reliability and validity of the technique are discussed, there is an important body of scientific literature that defends the use of this technique. AIM: To present through a case study, the two basic uses of surface electromyography: the measurement of orofacial muscular activity and use it as biofeedback modulator of the muscular activity itself...
February 24, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28253489/treatment-of-anterior-open-bite-with-a-mini-implant-supported-tongue-crib
#16
Ajit J Kalia
No abstract text is available yet for this article.
January 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/28248122/-double-homicide-with-a%C3%A2-damning-bite-mark-on-the-offender%C3%A2-s%C3%A2-body-case-report
#17
Markéta Kulvajtová, Jiří Hladík, Lucie Zemančíková
The authors deal with a case of a double homicide, the parental murder made by their older son, which was committed by a combination of stabbing and cutting wounds. The perpetra-tor tried to hide the bodies, so he doused them with gasoline and set fire to them on a lonely forest road. Then he ran over the remains by his car. The cause of death was in both cases open wound of the neck - autopsy findings of the woman´s body testified for a blood aspi-ration, on the man´s body it was not clear for a partial charring, so the possibilities were blood aspiration, air embolism or external bleeding with haemorrhagic shock...
2017: Soudní Lékarství
https://www.readbyqxmd.com/read/28220619/the-palatal-interpterygoid-vacuities-of-temnospondyls-and-the-implications-for-the-associated-eye-and-jaw-musculature
#18
Florian Witzmann, Ingmar Werneburg
A diagnostic feature of temnospondyls is the presence of an open palate with large interpterygoid vacuities, unlike the closed palate of most other early tetrapods, in which the vacuities are either slit-like or completely absent. Attachment sites on neurocranium and palatal bones in temnospondyls allow the reconstruction of a powerful m. retractor bulbi and a large, sheet-like m. levator bulbi that formed the elastic floor of the orbit. This muscle arrangement indicates that temnospondyls were able to retract the eyeballs through the interpterygoid vacuities into the buccal cavity, like extant frogs and salamanders...
February 21, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28215005/effect-of-bite-openings-and-mandibular-protrusion-on-genioglossus-muscle-activity-in-healthy-adults-with-oral-appliance
#19
Jianlan Long, Toru Ogawa, Toshimi Ito, Michikazu Matsuda, Wei Li, Haiyang Yu, Keiichi Sasaki
Oral appliance (OA) can effectively treat obstructive sleep apnea; however, numerous types of oral appliances and designs are variable and the precise mechanisms behind differences in treatment outcomes are uncertain. The objective of this study was to evaluate the effects of different degrees of mandibular position [4° of bite openings (BO): 2, 4, 8 and 12 mm; and protrusion (P): 0, 50%, MAX], for both the upright and supine positions: BO2 mm_P0%, BO4 mm_P0%, BO4 mm_P50%, BO4 mm_PMAX, BO8 mm_P0%, BO12 mm_P0%; with an OA on the: (1) activity of the genioglossus (GG) muscle by electromyogram, (2) inspiration by airflow sensor, and (3) recording mandibular movements (incisor and mandibular condyle point) in each position...
February 18, 2017: Odontology
https://www.readbyqxmd.com/read/28199931/a-personalized-3d-printed-prosthetic-joint-replacement-for-the-human-temporomandibular-joint-from-implant-design-to-implantation
#20
David C Ackland, Dale Robinson, Michael Redhead, Peter Vee Sin Lee, Adrian Moskaljuk, George Dimitroulis
Personalized prosthetic joint replacements have important applications in cases of complex bone and joint conditions where the shape and size of off-the-shelf components may not be adequate. The objective of this study was to design, test and fabricate a personalized 3D-printed prosthesis for a patient requiring total joint replacement surgery of the temporomandibular joint (TMJ). The new 'Melbourne' prosthetic TMJ design featured a condylar component sized specifically to the patient and fixation screw positions that avoid potential intra-operative damage to the mandibular nerve...
February 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
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