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https://www.readbyqxmd.com/read/29130918/jco-roundtable-the-temporomandibular-joint-and-craniomandibular-disorders
#1
John W Graham
No abstract text is available yet for this article.
September 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29090535/bite-force-measurement-based-on-fiber-bragg-grating-sensor
#2
Srivani Padma, Sharath Umesh, Sundarrajan Asokan, Talabattula Srinivas
The maximum level of voluntary bite force, which results from the combined action of muscle of mastication, joints, and teeth, i.e., craniomandibular structure, is considered as one of the major indicators for the functional state of the masticatory system. Measurement of voluntary bite force provides useful data for the jaw muscle function and activity along with assessment of prosthetics. This study proposes an in vivo methodology for the dynamic measurement of bite force employing a fiber Bragg grating (FBG) sensor known as bite force measurement device (BFMD)...
October 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29056664/shape-variation-in-the-craniomandibular-system-and-prevalence-of-dental-problems-in-domestic-rabbits-a-case-study-in-evolutionary-veterinary-science
#3
Christine Böhmer, Estella Böhmer
In contrast to wild lagomorphs, pet rabbits exhibit a noticeably high frequency of dental problems. Although dietary habits are considered as a major factor contributing to acquired malocclusions, the exact causes and interrelationships are still under debate. In this regard, an important aspect that has not been considered thoroughly to date is the effect of diet-induced phenotypic plasticity in skull morphology. Therefore, we conducted a geometric morphometric analysis on skull radiological images of wild and pet rabbits in order to quantify intraspecific variation in craniomandibular morphology...
January 24, 2017: Veterinary Sciences
https://www.readbyqxmd.com/read/28925546/multidisciplinary-full-mouth-rehabilitation-with-soft-tissue-regeneration-in-the-esthetic-zone
#4
Anja Liebermann, Stefan Frei, Madalena Lucia Pinheiro Dias Engler, Otto Zuhr, Otto Prandtner, Daniel Edelhoff, Reza Saeidi Pour
OBJECTIVE: Oral rehabilitation often requires a multidisciplinary approach including restorative dentistry, prosthodontics, and periodontology to fulfill high esthetic and functional demands, frequently combined with changes in the vertical dimension. The presence of gingival recessions can be associated with numerous factors, such as brushing or preparation trauma and persistent inflammation of the gingiva due to inadequate marginal fit of restorations. Because gingival recessions can cause major esthetic and functional problems, obtaining stability of the gingival tissue around prosthetic restorations is of essential concern...
September 19, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28839479/efficacy-of-selective-grinding-guided-by-an-occlusal-splint-in-management-of-myofascial-pain-a-prospective-clinical-trial
#5
REVIEW
Felipe J Fernández-González, Jorge Cabero-López, Aritza Brizuela, Ivan Suazo, Esteban Pérez-Pevida, Teresa Cobo, Oier Montalban, Markel Diéguez-Pereira, David Chávarri-Prado, Iker Bellanco de la Pinta, Antonio Jiménez-Garrudo
BACKGROUND: For patients whose centric relation (CR) has not been considered at the start and during treatment, the task of achieving an occlusal scheme that works together with the temporomandibular joint, the muscles, and the structures of the stomatognathic apparatus becomes a major concern. OBJECTIVE: This study aims to describe a reproducible, predictable and to date unreported procedure of selective grinding guided by an occlusal splint and to analyze condylar position (CP) based on the skeletal pattern...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28807504/bone-up-craniomandibular-development-and-hard-tissue-biomineralization-in-neonate-mice
#6
Khari D Thompson, Holly E Weiss-Bilka, Elizabeth B McGough, Matthew J Ravosa
The presence of regional variation in the osteogenic abilities of cranial bones underscores the fact that the mechanobiology of the mammalian skull is more complex than previously recognized. However, the relationship between patterns of cranial bone formation and biomineralization remains incompletely understood. In four strains of mice, micro-computed tomography was used to measure tissue mineral density during perinatal development in three skull regions (calvarium, basicranium, mandible) noted for variation in loading environment, embryological origin, and ossification mode...
January 29, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28697676/a-comparison-trial-between-three-treatment-modalities-for-the-management-of-myofascial-pain-of-jaw-muscles-a-preliminary-study
#7
Daniele Manfredini, Lorenzo Favero, Francesco Cocilovo, Monica Monici, Luca Guarda-Nardini
OBJECTIVES: To compare three treatment modalities for the management of myofascial pain of jaw muscles. METHODS: Thirty (N = 30) patients with low pain-related impairment were randomly assigned to receive laser therapy (LST), oral appliance therapy (OA), or counseling (CSL). Visual Analog Scale (VAS) pain levels and the Muscular Index (MI) of the Craniomandibular Index were the outcome variables, which were assessed at baseline, at three weeks, three months, and six months...
July 11, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28688540/management-of-the-condyle-following-the-resection-of-tumours-of-the-mandible
#8
L Wang, K Liu, Z Shao, Z-J Shang
The aim of this study was to assess the management of the condyle during the restoration of mandibular defects following tumour resection. A total of 41 patients who underwent simultaneous tumour resection and reconstruction with vascularized iliac myocutaneous flaps for mandibular defects, from September 2010 to October 2014, were included. These patients were divided into three groups: group 1, condyle preserved; group 2, condyle sacrificed; group 3, condyle frozen. Patients were followed up at 1, 3, 6, and 12 months for the evaluation of appearance, occlusion, and speech...
October 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28580880/fibromyalgia-in-patients-with-chronic-ccd-and-cmd-a-retrospective-study-of-555-patients
#9
Brigitte Losert-Bruggner, Manfred Hülse, Roland Hülse
OBJECTIVE: Craniomandibular dysfunction (CMD) and craniocervical dysfunction (CCD) are clearly defined musculoskeletal pain syndromes. Relationships with fibromyalgia syndrome (FMS) have not yet been investigated. The aim of the present study is to establish possible relationships between FMS and CMD/ CCD. METHODS: In a retrospective study, 555 patients with CCD and CMD were investigated with respect to the diagnostic criteria of FMS. In addition to otolaryngologic and dental examination, an instrumental functional analysis for the diagnosis of CMD/CCD was performed...
June 5, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28357002/evidence-of-signs-and-symptoms-of-craniomandibular-disorders-in-fibromyalgia-patients
#10
EDITORIAL
Massimo Corsalini, Di Venere Daniela, Rapone Biagio, Stefanachi Gianluca, Laforgia Alessandra, Pettini Francesco
OBJECTIVE: The purpose of this study is to highlight the evidence of signs and symptoms of craniomandibular disorders (CMD) in patients suffering from fibromyalgia. MATERIALS AND METHOD: The study has been carried out from May 2011 to May 2015, recruiting a sample of fibromyalgia patients at the Department of Neurophysiopathology at the hospital Policlinico in Bari. Among the 150 examined patients, 60 of them have been diagnosed to suffer from fibromyalgia and 27 accepted to be investigated with a gnathologic examination at the Dental School at the University of Bari...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28256278/changes-in-natural-head-position-in-response-to-mandibular-advancement
#11
Xiaozhen Lin, Sean P Edwards
We investigated the change in the natural head position and its relation to the change in the mandibular position in patients with mandibular hypoplasia. Forty-one patients treated by orthognathic surgery were divided into three groups: bilateral sagittal split osteotomy (BSSO) advancement (n=8); BSSO advancement with genioplasty (n=12), and Le Fort I osteotomy with BSSO advancement (n=21). Cone-beam computed tomographic (CT) datasets were collected preoperatively and six weeks postoperatively. The natural head position was measured using the craniocervical angle and the distance from the second vertebra to the frontal plane, and the mandibular position was measured using the craniomandibular angle and the distance from the mandible to the frontal plane...
February 28, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28045824/neuropathic-pain-due-to-iatrogenic-lingual-nerve-lesion-nerve-grafting-to-reduce-otherwise-untreatable-pain
#12
Jop P Verweij, Kira S van Hof, Martijn J A Malessy, Richard van Merkesteyn
Iatrogenic lingual nerve lesion is a well-known and unfortunate complication after mandibular third molar removal. Occasionally, the nerve injury can cause severe neuropathic pain.Here, the authors present the history of 2 patients with lingual nerve injury due to mandibular third molar removal, and with severe neuropathic pain in the craniomandibular region. Pharmacotherapy and physiotherapy did not reduce the pain, and ultimately, the lingual nerve was surgically explored. Scar tissue and a lingual nerve neuroma were observed and resected in both patients...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28042446/correlation-between-dento-skeletal-characteristics-and-craniomandibular-disorders-in-growing-children-and-adolescent-orthodontic-patients-retrospective-case-control-study
#13
D DI Venere, R M Gaudio, A Laforgia, G Stefanachi, S Tafuri, F Pettini, F Silvestre, M Petruzzi, M Corsalini
PURPOSE: The aim of this retrospective case-control study was to identify, in a group of growing children and adolescents affected by malocclusion, specific dento-skeletal characteristics which could be correlated to the onset, in the above-mentioned subjects, of craniomandibular disorders (CMD). MATERIALS AND METHODS: Among the patients treated at the Paedodontics and Orthodontics department of Bari Dental School, we recruited a group of patients with malocclusion and symptoms of temporomandibular disorders, as an experimental group...
October 2016: Oral & Implantology
https://www.readbyqxmd.com/read/27929063/a-large-carnivorous-mammal-from-the-late-cretaceous-and-the-north-american-origin-of-marsupials
#14
Gregory P Wilson, Eric G Ekdale, John W Hoganson, Jonathan J Calede, Abby Vander Linden
Marsupial mammal relatives (stem metatherians) from the Mesozoic Era (252-66 million years ago) are mostly known from isolated teeth and fragmentary jaws. Here we report on the first near-complete skull remains of a North American Late Cretaceous metatherian, the stagodontid Didelphodon vorax. Our phylogenetic analysis indicates that marsupials or their closest relatives evolved in North America, as part of a Late Cretaceous diversification of metatherians, and later dispersed to South America. In addition to being the largest known Mesozoic therian mammal (node-based clade of eutherians and metatherians), Didelphodon vorax has a high estimated bite force and other craniomandibular and dental features that suggest it is the earliest known therian to invade a durophagous predator-scavenger niche...
December 8, 2016: Nature Communications
https://www.readbyqxmd.com/read/27870345/betwixt-and-between-intracranial-perspective-on-zygomatic-arch-plasticity-and-function-in-mammals
#15
Erin M Franks, Nathan E Holton, Jeremiah E Scott, Kevin R McAbee, Jason T Rink, Kazune C Pax, Adam C Pasquinelly, Joseph P Scollan, Meghan M Eastman, Matthew J Ravosa
The zygomatic arch is morphologically complex, providing a key interface between the viscerocranium and neurocranium. It also serves as an attachment site for masticatory muscles, thereby linking it to the feeding apparatus. Though morphological variation related to differential loading is well known for many craniomandibular elements, the adaptive osteogenic response of the zygomatic arch remains to be investigated. Here, experimental data are presented that address the naturalistic influence of masticatory loading on the postweaning development of the zygoma and other cranial elements...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27853573/a-new-miocene-baleen-whale-from-the-peruvian-desert
#16
Felix G Marx, Naoki Kohno
The Pisco-Ica and Sacaco basins of southern Peru are renowned for their abundance of exceptionally preserved fossil cetaceans, several of which retain traces of soft tissue and occasionally even stomach contents. Previous work has mostly focused on odontocetes, with baleen whales currently being restricted to just three described taxa. Here, we report a new Late Miocene rorqual (family Balaenopteridae), Incakujira anillodefuego gen. et sp. nov., based on two exceptionally preserved specimens from the Pisco Formation exposed at Aguada de Lomas, Sacaco Basin, southern Peru...
October 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27812883/chronic-temporomandibular-disorders-disability-pain-intensity-and-fear-of-movement
#17
Alfonso Gil-Martínez, Mónica Grande-Alonso, Ibai López-de-Uralde-Villanueva, Almudena López-López, Josué Fernández-Carnero, Roy La Touche
BACKGROUND: The objective was to compare and correlate disability, pain intensity, the impact of headache on daily life and the fear of movement between subgroups of patients with chronic temporomandibular disorder (TMD). METHODS: A cross-sectional study was conducted in patients diagnosed with chronic painful TMD. Patients were divided into: 1) joint pain (JP); 2) muscle pain (MP); and 3) mixed pain. The following measures were included: Craniomandibular pain and disability (Craniofacial pain and disability inventory), neck disability (Neck Dsiability Index), pain intensity (Visual Analogue Scale), impact of headache (Headache Impact Test 6) and kinesiophobia (Tampa Scale of Kinesiophobia-11)...
December 2016: Journal of Headache and Pain
https://www.readbyqxmd.com/read/27615281/cranial-ontogeny-of-the-early-triassic-basal-cynodont-galesaurus-planiceps
#18
Sandra C Jasinoski, Fernando Abdala
Ontogenetic changes in the skull and mandible of thirty-one specimens of Galesaurus planiceps, a basal non-mammaliaform cynodont from the Early Triassic of South Africa, are documented. The qualitative survey indicated eight changes in the craniomandibular apparatus occurred during growth, dividing the sample into three ontogenetic stages: juvenile, subadult, and adult. Changes in the temporal region, zygomatic arch, occiput, and mandible occurred during the transition from the subadult to adult stage at a basal skull length of 90 mm...
February 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27599034/comparative-assessment-of-a-new-holistic-oriented-and-an-old-specialty-specific-undergraduate-curriculum-in-removable-prosthodontics-a-study-based-on-senior-students-perceptions
#19
Sofia Papadiochou, Eleni Kotsiomiti, Argirios L Pissiotis
PURPOSE: A survey was conducted in the Dental School, Aristotle University, Thessaloniki, Greece, (i) to assess the perceptions and experiences of senior dental students, Classes of 2014 and 2015, toward the old, specialty-specific (OC) and new, holistic-oriented (NC) undergraduate curriculum, respectively, in removable prosthodontics and (ii) to identify areas of improvement in prosthodontic training. MATERIALS AND METHODS: Structural components of both curricula were collected, including the total number of (i) laboratory/lecture/clinical training hours, (ii) written examinations, (iii) mandatory clinical cases, and (iv) European Credit Transfer and Accumulation System (ECTS) credits...
September 6, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27432747/fiber-bragg-grating-based-bite-force-measurement
#20
Sharath Umesh, Srivani Padma, Sundarrajan Asokan, Talabattula Srinivas
The present study reports an in vivo, novel methodology for the dynamic measurement of the bite force generated by individual tooth using a Fiber Bragg Grating Bite Force Recorder (FBGBFR). Bite force is considered as one of the major indicators of the functional state of the masticatory system, which is dependent on the craniomandibular structure comprising functional components such as muscles of mastication, joints and teeth. The proposed FBGBFR is an intra-oral device, developed for the transduction of the bite force exerted at the occlusal surface, into strain variations on a base plate, which in turn is sensed by the FBG sensor bonded over it...
September 6, 2016: Journal of Biomechanics
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