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mandibular relation

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https://www.readbyqxmd.com/read/28220182/retrospective-25-year-follow-up-of-treatment-outcomes-in-angle-class-iii-patients-early-versus-late-treatment
#1
B Wendl, A P Muchitsch, H Winsauer, A Walter, H Droschl, N Jakse, M Wendl, T Wendl
OBJECTIVES: To assess early versus late treatment of Class III syndrome for skeletal and dental differences. METHODS: Thirty-eight Class III patients treated with a chincup were retrospectively analyzed. Baseline data were obtained by reviewing pretreatment (T0) anamnestic records, cephalograms, and casts. The cases were assigned to an early or a late treatment group based on age at T0 (up to 9 years or older than 9 years but before the pubertal growth spurt)...
February 20, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28217540/correlating-the-clinical-assessment-of-impacted-mandibular-third-molars-with-panoramic-radiograph-and-intraoral-periapical-radiograph
#2
P Vani Priya, Fazil A Nasyam, M Ramprasad, Narendra V Penumatsa, Syed Akifuddin, Sandeep
AIMS AND OBJECTIVES: This study was conducted to compare the clinical assessment of impacted third molars of mandible with panaromic radiograph (OPG) and intraoral periapical radiograph (IOPA) and to assess the efficacy of IOPA and. Moreover, we corroborated the OPG and IOPA findings of impacted mandiblar third molar root apex to inferior alveolar canal. MATERIALS AND METHODS: A total of 200 patients with pericoronitis were examined who were indicated for surgical extraction, among which 50 patients were selected for the study...
December 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28215266/comparative-efficacy-of-cpap-mads-exercise-training-and-dietary-weight-loss-for-sleep-apnea-a-network-meta-analysis
#3
Imran H Iftikhar, Lia Bittencourt, Shawn D Youngstedt, Najib Ayas, Peter Cistulli, Richard Schwab, Martin W Durkin, Ulysses J Magalang
STUDY OBJECTIVE: To synthesize evidence from available studies on the relative efficacies of continuous positive airway pressure (CPAP), mandibular advancement device (MAD), supervised aerobic exercise training, and dietary weight loss in patients with obstructive sleep apnea (OSA). DESIGN: Network meta-analysis of 80 randomized controlled trials (RCTs) short-listed from PubMed, SCOPUS, Web of science, and Cochrane register (inception - September 8, 2015). PATIENTS: Individuals with OSA...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28213949/peri-implant-bone-remodeling-at-the-interface-of-three-different-implant-types-a-histomorphometric-study-in-mini-pigs
#4
Wenjuan Zhou, Sonja Kuderer, Zhonghao Liu, Christian Ulm, Xiaohui Rausch-Fan, Stefan Tangl
OBJECTIVES: The aim of this study was to perform a histomorphometric evaluation of the healing characteristics and jawbone remodeling processes in the peri-implant bone tissue of three commonly used implant surfaces, during the early weeks of osseointegration. MATERIAL AND METHODS: Dental implants with three different surfaces (anodically modified, hydroxyapatite (HA)-coated and machined) were inserted into the mandibular side-tooth region of twelve adult mini-pigs...
February 18, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28212123/repeatability-study-of-angular-and-linear-measurements-on-facial-morphology-analysis-by-means-of-stereophotogrammetry
#5
Lilian Mendes Andrade, Ana Maria Bettoni Rodrigues da Silva, Laís Valencise Magri, Marco Antônio Moreira Rodrigues da Silva
The aim of this study was to analyze the repeatability in a stereophotogrammetry digital system used for the evaluation of facial morphology. Thirty healthy Brazilian, 18 to 45 years old (26.71 ± 6.53), had 11 reference landmarks marked on their faces by the same examiner and were photographed with an interval of 1 week by the VECTRA M3. Nine angular measurements (nasolabial, mentolabial, nasofrontal, maxillofacial, nasal, maxillary, mandibular, facial convexity, full facial convexity) and 2 linear measurements (middle facial height and lower facial height) were taken...
February 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28210450/repercussions-of-intraalveolar-placement-of-combination-of-0-2-chlorhexidine-10-mg-metronidazole-gel-on-the-occurrence-of-dry-sockets-a-randomized-control-trial
#6
Jasleen Kaur, Rushik Raval, Anupam Bansal, Vinod Kumawat
BACKGROUND: To evaluate the effects of intraalveolar placement of gel containing 0.2% chlorhexidine and 10gm of metronidazole on the incidence of alveolar osteitis. MATERIAL AND METHODS: A total of 300 impacted third molars were extracted in 150 patients enrolled in this trial. In each subject a socket was randomly selected and packed to the crest of alveolar ridge with the gel. The contralateral socket was packed with placebo dressing. The occurrence of dry socket was assessed during 3rd and 5th postoperative days ...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210438/evaluation-of-retention-of-pit-and-fissure-sealants-placed-with-and-without-air-abrasion-pretreatment-in-6-8-year-old-children-an-in-vivo-study
#7
Urvashi Bhushan, Mridula Goswami
BACKGROUND: The success of pit and fissure sealants is directly related to their retention. The purpose of this study was to assess and compare the retention of pit and fissure sealants placed using acid etch alone and a combination of air abrasion and acid etch techniques. MATERIAL AND METHODS: 50 subjects aged 6-8 years were included in the study. Primary second molars and permanent first molars were sealed in all four quadrants using split mouth design. The right maxillary and mandibular molars (Group A) were treated by acid etching alone while the left maxillary and mandibular molars (Group B) were pretreated with air abrasion followed by acid etching before application of pit and fissure sealant...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210408/patterns-of-maxillofacial-fractures-in-uttar-pradesh-india
#8
Padmanidhi Agarwal, Divya Mehrotra, Rajul Agarwal, Sumit Kumar, Rahul Pandey
This study aimed to obtain dependable epidemiologic data of the variation in cause and characteristics of maxillofacial fractures by identifying, describing, and quantifying trauma. This retrospective study was conducted in the state of Uttar Pradesh, India, over 1 year, based on a systematic computer-assisted database search from March 2015 to March 2016 for maxillofacial fractures. The demographics, etiology, geographic distribution, date of injury, site and number of fractures, and type of intervention were recorded for each...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28210403/an-overview-of-maxillofacial-trauma-in-oral-and-maxillofacial-tertiary-trauma-centre-queen-elizabeth-hospital-kota-kinabalu-sabah
#9
Chee Wei Lee, Qi Chao Foo, Ling Vuan Wong, Yiu Yan Leung
The aims of this study were to provide an overview of maxillofacial trauma and its relationship to patient's demographic data and alcohol consumption within the state of Sabah. It was a retrospective study of maxillofacial trauma cases treated by Oral and Maxillofacial Surgery Department, Queen Elizabeth Hospital, Kota Kinabalu, Sabah, from January 1, 2009, until December 31, 2013. A total of 630 maxillofacial trauma cases were included. Details of the trauma were collected from patients' record, including patients' cause of injuries, injuries suffered, treatment indications, and treatment received...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28207178/dental-development-in-down-syndrome-and-healthy-children-a-comparative-study-using-the-demirjian-method
#10
M S van der Linden, S Vucic, D J F van Marrewijk, E M Ongkosuwito
OBJECTIVE: In children with Down syndrome, the timing of dental eruption is important for orthodontics treatment planning. Aim of this study was to determine whether tooth eruption and development of the dentition in children with Down syndrome are impaired. MATERIAL AND METHODS: Dental development was scored on orthopantomograms (OPTs) of 95 children with Down syndrome. The dental age was determined at the left mandibular side according to the Demirjian method and by converting the assigned scores to the dental maturity score...
February 16, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28199316/knoetschkesuchus-langenbergensis-gen-nov-sp-nov-a-new-atoposaurid-crocodyliform-from-the-upper-jurassic-langenberg-quarry-lower-saxony-northwestern-germany-and-its-relationships-to-theriosuchus
#11
Daniela Schwarz, Maik Raddatz, Oliver Wings
We report a new, small-sized atoposaurid crocodyliform from the Upper Jurassic of Langenberg, Northeastern Germany. Atoposaurids are small-sized Mesozoic crocodyliforms of mainly European distribution, which are considered to be phylogenetically close to the origin of Eusuchia. Knoetschkesuchus langenbergensis gen. nov. sp. nov. is represented by two well-preserved skulls and additional cranial and postcranial remains representing different ontogenetic stages. 3D reconstructions of a juvenile skull based on micro-computed tomography allow the most detailed description of cranial remains of any atoposaurid hitherto presented...
2017: PloS One
https://www.readbyqxmd.com/read/28196543/the-3-dimensional-miniplate-is-more-effective-than-the-standard-miniplate-for-the-management-of-mandibular-fractures-a-meta-analysis
#12
Yong Liu, Bo Wei, Yuxiang Li, Dawei Gu, Guochao Yin, Bo Wang, Dehui Xu, Xuebing Zhang, Daliang Kong
PURPOSE: The study aimed to determine the superiority between 3-dimensional (3D) miniplate and standard miniplate for mandibular fractures (MFs) treatment. BACKGROUND: Controversial results on the use of standard miniplate and 3D miniplate have remained for management of MFs. METHODS: Several electronic databases were retrieved up to September 2014 to identify eligible studies. The quality of studies was assessed, and the relative risk (RR) with its corresponding 95% confidence interval (CI) was assessed to measure the effect size...
February 14, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28195497/incisor-and-molar-overjet-arch-contraction-and-molar-relationship-in-the-mixed-dentition-in-repaired-complete-unilateral-cleft-lip-and-palate-a-qualitative-and-quantitative-appraisal
#13
Suteeta Disthaporn, Sunjay Suri, Bruce Ross, Bryan Tompson, Diogenes Baena, David Fisher, Wendy Lou
OBJECTIVE: To compare the mixed dentition incisor and molar overjet, severity of contraction of the dental arch, and the sagittal molar relationship on the cleft side vs the noncleft side in children with repaired complete unilateral cleft of the lip and palate (UCLP). MATERIALS AND METHODS: Orthodontic records taken prior to orthodontic preparation for alveolar bone grafting were screened to select study casts from patients with nonsyndromic repaired complete UCLP who did not have mandibular skeletal or dental asymmetry...
February 14, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28191601/the-maxillary-artery-and-its-variants-an-anatomical-study-with-neurosurgical-applications
#14
Jorge E Alvernia, Joaquin Hidalgo, Marc P Sindou, Chad Washington, Gustavo Luzardo, Eddie Perkins, Remi Nader, Patrick Mertens
BACKGROUND: The maxillary artery (MA) has gained attention in neurosurgery particularly in cerebral revascularization techniques, intracranial endonasal approaches and endovascular procedures. OBJECTIVES: To describe and illustrate the anatomy of the MA and its neurosurgical importance in a detailed manner. METHODS: Six cadaveric heads (12 MAs) were injected with latex. The arteries and surrounding structures were dissected and studied using microsurgical techniques...
February 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28190451/successful-pulpal-anesthesia-for-symptomatic-irreversible-pulpitis
#15
Melissa Drum, Al Reader, John Nusstein, Sara Fowler
BACKGROUND AND OVERVIEW: Profound pulpal anesthesia after a successful inferior alveolar nerve block can be difficult to achieve when the clinical condition is a pulpal diagnosis of symptomatic irreversible pulpitis. The authors reviewed the literature as it relates to the anesthesia necessary for endodontic therapy of patients with painful, vital, mandibular teeth diagnosed with symptomatic irreversible pulpitis. CONCLUSIONS: Supplemental anesthetic techniques and medications are available that can be used to improve pulpal anesthesia for patients with the clinical condition of symptomatic irreversible pulpitis...
February 9, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28188075/bisphosphonate-related-osteonecrosis-and-metastasis-within-the-same-site-of-the-jaw
#16
Alessandro Corsi, Claudio Ungari, Mara Riminucci, Alessandro Agrillo
Bisphosphonates (BPs) bind selectively to hydroxyapatite and accumulate in sites of active bone remodeling, where they inhibit bone turnover by interfering with osteoclastic recruitment, activity, and survival. For this reason, they are used in oncologic patients to prevent, decrease, and delay potentially life-threatening skeletal-related complications associated with multiple myeloma (MM) and metastasis, including hypercalcemia, pain, and pathologic fractures. Despite substantial benefits, treatment with BPs can be associated with the development of osteonecrosis of the jaw (ONJ), a pathologic condition for which pathophysiologic mechanisms are not completely defined and current criteria for prevention, diagnosis, and management are based largely on expert recommendations and guidelines...
January 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28181393/blepharocheilodontic-bcd-syndrome-new-insights-on-craniofacial-and-dental-features
#17
Wael Awadh, Anu Kiukkonen, Pekka Nieminen, Sirpa Arte, Kirsti Hurmerinta, David P Rice
Blepharocheilodontic (BCD) syndrome is a rare condition characterized by bilateral cleft lip and palate (BCLP), eyelid abnormalities, and oligodontia. Despite orofacial clefting and oligodontia being central features of the condition, detailed reports of dental and craniofacial characteristics are scarce. The aim of this study was to analyze the dental and craniofacial features in a group of patients with BCD syndrome (three of which were related). Cephalometric radiographic analyses were performed on BCD syndrome patients (all radiographs taken at age 8 years) and compared to 40 randomly selected age-matched controls (20 non-syndromic BCLP, 20 non-cleft)...
February 9, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28177329/fibular-osteofasciocutaneous-flap-in-computer-assisted-mandibular-reconstruction-technical-aspects-in-oral-malignancies
#18
M Berrone, E Crosetti, P L Tos, M Pentenero, G Succo
Virtual surgical planning technology in head and neck surgery is witnessing strong growth. In the literature, the validity of the method from the point of view of accuracy and clinical utility has been widely documented, especially for bone modelling. To date, however, with its increased use in head and neck oncology, and consequently the increased need for bone and soft tissue reconstruction, is important to carry out the virtual programme considering not only bone reconstruction but also all aspects related to the reconstruction of soft tissue using composite flaps...
December 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28171766/expression-of-hypoxia-inducible-factor-2-alpha-in-overloaded-stress-induced-destruction-of-mandibular-condylar-chondrocytes
#19
Wen Li, Yanhui Liu, Wanghui Ding, Tan Long, Jiejun Shi
OBJECTIVE: To study the protein expression of HIF-2α in condylar chondrocytes under the different stress loading, to investigate the possible effects of HIF-2α involved in the mortality of condylar chondrocytes under overloaded- stress. MATERIALS AND METHODS: Chondrocytes were isolated from TMJ condylar cartilage and cultured in hypoxia-incubator. Chondrocytes were divided into 4 groups: 0, 1000, 2000, 3000 ustrain group, which was subjected to cyclic tensile strain (CTS) of 0...
January 18, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28168238/numb-chin-syndrome-associated-with-vertical-root-fracture-and-odontogenic-infection
#20
John K Brooks, Kevin G Schwartz, Alvin S Ro, Chang-Ching D Lin
Numb chin syndrome (NCS) is a multifactorial neuropathic disorder associated with paresthesia to the chin, lip, and oral mucosa, particularly arising as a sequela to various dental-related procedures or infections in the mandible. Timely elucidation of the underlying etiology is of paramount importance as the presentation of NCS could serve as a harbinger of malignancy or metastatic disease. This report describes an unusual case of NCS developing synchronously with a vertical root fracture and odontogenic infection in a mandibular first molar...
February 6, 2017: Quintessence International
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