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Mandibular Disorders

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https://www.readbyqxmd.com/read/29153236/nonsurgical-management-of-pediatric-temporomandibular-joint-dysfunction
#1
REVIEW
Steven John Scrivani, Shehryar Nasir Khawaja, Paula Furlan Bavia
Temporomandibular disorders (TMD) are a subgroup of craniofacial pain problems involving the temporomandibular joint (TMJ), masticatory muscles, and associated head and neck musculoskeletal structures. These disorders are subclassified into TMJ articular disorders and masticatory muscle disorders. Patients with TMD most commonly present with pain, restricted or asymmetric mandibular motion, and TMJ sounds during mandibular movements. The prevalence tends to increase with age. Management of TMJ articular disorders consists of a combination of patient education, home-care plan, biobehavioral therapy, physical therapy, orthotic jaw appliance therapy, pharmacotherapy, and/or surgery...
February 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29147823/primary-peri-implant-oral-intra-epithelial-neoplasia-carcinoma-in-situ-a-case-report-considering-risk-factors-for-carcinogenesis
#2
Makoto Noguchi, Hiroaki Tsuno, Risa Ishizaka, Kumiko Fujiwara, Shuichi Imaue, Kei Tomihara, Takashi Minamisaka
BACKGROUND: Major risk factors for oral squamous cell carcinoma (SCC) are tobacco smoking, a betel quid chewing habit, and heavy alcohol consumption. However, around 15% of oral SCCs cannot be explained by these risk factors. Although oral SCC associated with dental implants is quite rare, there has been a recent gradual accumulation of reports about it. Here, we report a case of primary peri-implant oral intra-epithelial neoplasia/carcinoma in situ (OIN/CIS) in a woman without the major risk factors for oral SCC...
November 16, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29141669/metastasis-in-the-mandibular-condyle-a-case-report
#3
Mina Dodo, Masahiro Kumagai, Yuta Kato, Hisashi Hirakawa, Takeyoshi Koseki
BACKGROUND: Most bone metastases are observed in the trunk of the body. Metastasis in the mandibular condyle is rare. In many case reports, temporary common temporomandibular joint disorder-like symptoms can be a sign of relapse and metastasis. CASE PRESENTATION: We report a rare case of breast carcinoma metastatic to the left mandibular condyle in a 55-year-old Japanese woman, who visited our department for a dental check-up prior to chemotherapy. She had almost no symptoms, but radiographs suggested the existence of metastasis...
November 16, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29140751/further-delineation-of-the-oculoauricular-syndrome-phenotype-a-new-family-with-a-novel-truncating-hmx1-mutation
#4
Ghada M H Abdel-Salam, Mohamed S Abdel-Hamid, Mennat I Mehrez, Ahmad M Kamal, Mohamed B Taher, Hanan H Afifi
Biallelic HMX1 mutations cause a very rare autosomal recessive genetic disorder termed as oculoauricular syndrome (OAS) because it is characterized only by the combination of eye and ear anomalies. We identified a new family bringing to three the total families reported with this disorder. Our proband presented with anteriorly protruded ears and malformed ear pinnae in association with microphthalmia, congenital cataract, microcornea, and iris and optic disc colobomata. Additionally, he had high and broad forehead with asymmetry giving a recognizable facial gestalt...
November 15, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29131489/evaluation-of-the-serum-zinc-level-in-adult-patients-with-melasma-is-there-a-relationship-with-serum-zinc-deficiency-and-melasma
#5
Majid Rostami Mogaddam, Nastaran Safavi Ardabili, Manouchehr Iranparvar Alamdari, Nasrollah Maleki, Maryam Aghabalaei Danesh
BACKGROUND: Melasma is a common acquired hypermelanosis of sun-exposed skin, particularly on the face, which presents as symmetric, light- to gray-brown-colored macules and patches. There are several studies of serum zinc levels in cutaneous disorders. So far, no studies have been carried out to assess the serum zinc level in patients with melasma. The aim of this study is to determine the serum zinc level in patients with melasma compared to healthy subjects. MATERIALS AND METHODS: A total of 118 patients with melasma and 118 healthy controls were enrolled in this prospective cross-sectional study...
November 12, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29129238/diet-versus-jaw-bones-lessons-from-experimental-models-and-potential-clinical-implications
#6
REVIEW
Carina Cristina Montalvany-Antonucci, Marina C Zicker, Marina C Oliveira, Soraia Macari, Mila Fernandes M Madeira, Ildeu Andrade, Adaliene Versiani M Ferreira, Tarcilia A Silva
The consumption of different types of diets influences not only body health but the bone remodeling process as well. Nutritional components can directly affect maxillary and mandibular alveolar bone microarchitecture. In this review, we focus on the current knowledge regarding the influence of diets and dietary supplementation on alveolar bone. Accumulating evidence from experimental models suggests that carbohydrate- and fat-rich diets are detrimental for alveolar bone, whereas protective effects are associated with consumption of calcium, ω-3, and bioactive compounds...
January 2018: Nutrition
https://www.readbyqxmd.com/read/29117007/ocular-features-of-cerebro-costo-mandibular-syndrome
#7
Zoya Hameed, Simon Taylor, Dan Lindfield
Cerebro-costo-mandibular syndrome is a rare hereditary disorder characterised by micrognathia, posterior rib gaps, and secondary developmental delay. Patients often require ventilation and feeding support throughout life. We describe the first reported ophthalmic findings of CCMS and propose that defects in choroidal permeability lead to chronic macular oedema and refractory aqueous misdirection syndrome. Here we discuss the medical and surgical management concerns of recurrent angle closure and raised intraocular pressure in a CCMS patient...
November 7, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29115190/cervical-injury-related-to-mandibular-fractures-a-retrospective-study-of-315-cases
#8
Tommaso Cutilli, Secondo Scarsella, Desiderio Di Fabio, Antonio Oliva, Maria Adelaide Continenza, Giacomo Sollecchia, Stefano Necozione, Sara Bernardi
Objective To define the association between mandibular fractures and alterations of the cranio-atlo-axial joint (CAAJ). Methods 315 cases of displaced mandibular fractures were retrospectively evaluated by CT scan and cervical X-ray for associated alterations of the CAAJ. Statistical analysis employed the chi-square and Cohen's kappa coefficient. Results Single fractures amounted to 69.84% and multiple fractures to 30.16% of total fractures. CT scans showed a rotation of the atlas on the same side of single fractures and subluxation of the CAAJ...
November 8, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29103441/enpp1-and-esr1-genotypes-associated-with-subclassifications-of-craniofacial-asymmetry-and-severity-of-temporomandibular-disorders
#9
Kay Chung, Tabitha Richards, Romain Nicot, Alexandre R Vieira, Christiane V Cruz, Gwénaël Raoul, Joel Ferri, James J Sciote
INTRODUCTION: We investigated whether ACTN3, ENPP1, ESR1, PITX1, and PITX2 genes which contribute to sagittal and vertical malocclusions also contribute to facial asymmetries and temporomandibular disorders (TMD) before and after orthodontic and orthognathic surgery treatment. METHODS: One hundred seventy-four patients with a dentofacial deformity were diagnosed as symmetric or subdivided into 4 asymmetric groups according to posteroanterior cephalometric measurements...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29100831/treatment-of-posterior-dislocation-of-the-mandibular-condyle-with-the-double-mitek-mini-anchor-technique-a-case-report
#10
Jonathan B Albilia, Hillary Weisleder, Larry M Wolford
Posterior dislocation of the mandibular condyle is a rare disorder caused by trauma to the chin accompanied by damage to the external auditory canal. Treatment of posterior condylar dislocation (PCD) is directed at repositioning the condyle into the glenoid fossa, preventing recurrent dislocations, and maintaining patency of the ear canal. With early intervention, closed reduction with manual manipulation is successful but could be ineffective for chronic protracted PCD. This case report describes an elderly patient with a chronic protracted PCD resulting from a blow to the chin and in which manual reduction was unsuccessful...
October 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29098745/prosthodontic-management-of-a-patient-with-moebius-syndrome-a-clinical-report
#11
Ahmed Mahrous, Ghadeer Thalji
Moebius/Mӧbius Syndrome (MS) is an extremely rare congenital disorder characterized by uni- or bilateral palsy of the abducens (VI) and the facial (VII) nerves, causing facial paralysis. Dysfunction of cranial nerves III through XII is common, most often the glossopharyngeal (IX) and hypoglossus (XII). Afflicted individuals seeking prosthodontic care, particularly removable prosthetics, present multiple challenges related to inherent facial and tongue muscle weakness and microstomia. Other extraoral anomalies may include congenital multiple arthrogryposis and malformations of the upper and lower limbs...
November 3, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29097602/prevalence-of-dental-disorders-in-degus-and-evaluation-of-diagnostic-methods-to-determine-dental-disease-and-its-prognosis
#12
Hester van Bolhuis, Lotte van Hoffen, Martine van Zijll Langhout, Heleen van Engeldorp Gastelaars, Wouter Hendriks, Marnix Lamberts, Marja Kik
Degus (Octodon degus) are prone to develop dental disease with deleterious health effects. The two studies reported here aimed to determine the prevalence of dental disorders in degus and to identify and evaluate diagnostic tools for determination of prognosis of these disorders. In study A, health data from 225 degus at AAP, Rescue Center for Exotic Animals in the Netherlands, were collated and the prevalence of dental disorders and differences in sex and age at clinical onset of symptoms associated with dental disorders were described...
November 2, 2017: Veterinary Record
https://www.readbyqxmd.com/read/29080198/acupuncture-treatment-for-idiopathic-trigeminal-neuralgia-a-longitudinal-case-control-double-blinded-study
#13
Michelle Cristina Ichida, Mariana Zemuner, Jorge Hosomi, Hong Jin Pai, Manoel Jacobsen Teixeira, José Tadeu Tesseroli de Siqueira, Silvia R D T de Siqueira
OBJECTIVE: To evaluate the treatment effect of acupuncture on patients with idiopathic trigeminal neuralgia (ITN) by case-control longitudinal blinded study. METHODS: Sixty ITN patients and 30 healthy subjects were included. The ITN patients were randomly assigned to acupuncture group (15 cases), sham-acupuncture group (15 cases) and carbamazepine group (30 cases), respectively. Clinical orofacial evaluation (including pain intensity and medication doses), research diagnostic criteria for temporomandibular disorders (RDC/TMD) and Helkimo indexes (for functional evaluation of the masticatory system), and quantitative sensory testing for sensory thresholds (gustative, olfactory, cold, warm, touch, vibration and superficial and deep pain) were evaluated before treatment, immediately after treatment, and 6 months after treatment...
November 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29073363/selective-role-of-discoidin-domain-receptor-2-in-murine-temporomandibular-joint-development-and-aging
#14
C Ge, F Mohamed, A Binrayes, S Kapila, R T Franceschi
Temporomandibular joint (TMJ) disorders are often associated with development of osteoarthritis-like changes in the mandibular condyle. Discoidin domain receptor 2 (DDR2), a collagen receptor preferentially activated by type I and III collagen found in the TMJ and other fibrocartilages, has been associated with TMJ degeneration, but its role in normal joint development has not been previously examined. Using Ddr2 LacZ-tagged mice and immunohistochemistry, we found that DDR2 is preferentially expressed and activated in the articular zone of TMJs but not knee joints...
October 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29070581/personalised-medicine-in-sleep-respiratory-disorders-focus-on-obstructive-sleep-apnoea-diagnosis-and-treatment
#15
Maria R Bonsignore, Monique C Suarez Giron, Oreste Marrone, Alessandra Castrogiovanni, Josep M Montserrat
In all fields of medicine, major efforts are currently dedicated to improve the clinical, physiological and therapeutic understanding of disease, and obstructive sleep apnoea (OSA) is no exception. The personalised medicine approach is relevant for OSA, given its complex pathophysiology and variable clinical presentation, the interactions with comorbid conditions and its possible contribution to poor outcomes. Treatment with continuous positive airway pressure (CPAP) is effective, but CPAP is poorly tolerated or not accepted in a considerable proportion of OSA patients...
December 31, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29066000/platelet-rich-plasma-for-the-therapeutic-management-of-temporomandibular-joint-disorders-a-systematic-review
#16
REVIEW
M Bousnaki, P Koidis
This systematic review aimed to investigate whether intra-articular injections of platelet-rich plasma (PRP) are beneficial for the treatment of degenerative temporomandibular disorders, such as temporomandibular joint osteoarthritis (TMJ-OA) and disc displacement with osteoarthritic lesions, when compared to other treatments, such as injections of hyaluronic acid (HA) or saline. An electronic search of the MEDLINE and Scopus databases was performed using combinations of the terms "temporomandibular" and "platelet rich plasma", to identify studies reported in English and published up until May 2017...
October 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29065960/a-randomized-crossover-trial-evaluating-continuous-positive-airway-pressure-versus-mandibular-advancement-device-on-health-outcomes-in-veterans-with-posttraumatic-stress-disorder
#17
Ali A El-Solh, Gregory G Homish, Guy Ditursi, John Lazarus, Nithin Rao, David Adamo, Thomas Kufel
STUDY OBJECTIVES: Despite the overall improvement in posttraumatic stress disorder (PTSD) symptomatology with continuous positive airway pressure (CPAP) therapy, adherence to CPAP is far worse in veterans with PTSD compared to the general population with obstructive sleep apnea (OSA). The aim of this study was to compare the efficacy, adherence, and preference of CPAP versus mandibular advancement device (MAD) and the effect of these treatments on health outcomes in veterans with PTSD...
October 18, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29065815/management-of-pain-in-tmd-patients-bio-oxidative-ozone-therapy-versus-occlusal-splints
#18
Tamer Celakil, Almina Muric, Bilge Gökcen Roehlig, Gulumser Evlioglu
OBJECTIVE: To compare the effects of bio-oxidative ozone application with occlusal splints in temporomandibular disorder (TMD) patients with pain. METHODS: Forty participants were selected after the diagnosis of TMD and randomly divided into two groups: ozone group (OG, n = 20) and occlusal splint group (OCSG, n = 20). Ozone was applied to patients three times per week, for a total of six sessions. Patients in the OCSG were instructed to use occlusal splints every night over a period of four weeks...
October 24, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29061384/motoneuron-degeneration-in-the-trigeminal-motor-nucleus-innervating-the-masseter-muscle-in-dystonia-musculorum-mice
#19
M Ibrahim Hossain, Masao Horie, Nozomu Yoshioka, Masayuki Kurose, Kensuke Yamamura, Hirohide Takebayashi
Dystonia musculorum (dt) mice, which have a mutation in the Dystonin (Dst) gene, are used as animal models to investigate the human disease known as hereditary sensory and autonomic neuropathy type VI. Massive neuronal cell death is observed, mainly in the peripheral nervous system (PNS) of dt mice. We and others have recently reported a histopathological feature of these mice that neurofilament (NF) accumulates in various areas of the central nervous system (CNS), including motor pathways. Although dt mice show motor disorder and growth retardation, the causes for these are still unknown...
October 20, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29042737/nance-horan-syndrome-a-rare-case-report
#20
Shambhu Sharma, Pankaj Datta, Janak Raj Sabharwal, Sonia Datta
Dentofacial anomalies may guide us to the diagnosis of many congenital and hereditary syndromes. A 9-year-old boy was diagnosed with Nance-Horan syndrome. This syndrome is an extremely rare X-linked genetic disorder which is entirely expressed in males with semi-dominant transmission which results from mutations occurring in male gametes. It is characterized by facial dysmorphism such as long face, prominent nose and mandibular prognathism, ocular abnormalities such as congenital cataract, microcornea, microphthalmia and strabismus, and dental anomalies including mulberry molars and screwdriver-shaped incisors...
July 2017: Contemporary Clinical Dentistry
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