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Orofacial Pain

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https://www.readbyqxmd.com/read/29140141/short-clinical-examination-for-temporomandibular-symptoms-in-general-practice
#1
Christina Mejersjö, Ove Bertilsson, Karin Bäck
OBJECTIVE: The aims of the study are to assess the reliability of the short clinical examination, and to compare the information gained with a well-known and validated examination, the diagnostic criteria for temporomandibular disorders (DC/TMD). MATERIALS AND METHODS: The study comprises 52 consecutive, newly referred patients at their first visit and examination to an Orofacial Pain and TMD Clinic, 15 years and older, mean age 44 years. The patients first answered three screening questions for reported symptoms...
November 15, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29134730/role-of-central-versus-peripheral-opioid-system-in-antinociceptive-and-anti-inflammatory-effect-of-botulinum-toxin-type-a-in-trigeminal-region
#2
V Drinovac Vlah, B Filipović, L Bach-Rojecky, Z Lacković
BACKGROUND: Although botulinum toxin type A (BT-A) is approved for chronic migraine treatment, its site and mechanism of action are still elusive. Recently our group discovered that suppression of CGRP release from dural nerve endings might account for antimigraine action of pericranially injected BT-A. We demonstrated that central antinociceptive effect of BT-A in sciatic region involves endogenous opioid system as well. Here we investigated possible interaction of BT-A with endogenous opioid system within the trigeminal region...
November 13, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29132095/inhibition-of-tnf-reduces-mechanical-orofacial-hyperalgesia-induced-by-complete-freund-s-adjuvant-by-a-trpv1-dependent-mechanism-in-mice
#3
Krzysztof Lis, Tomasz Grygorowicz, Agnieszka Cudna, David E Szymkowski, Ewa Bałkowiec-Iskra
BACKGROUND: Inflammation in the orofacial region results in pain and is associated with many pathological states, including migraine, neuralgias and temporomandibular disorder. Although extensively studied, the mechanisms responsible for these conditions are not known and effective treatments are lacking. We reported earlier that the proinflammatory cytokine tumor necrosis factor (TNF) plays an important role in regulation of trigeminal ganglion (TG) neuron function in vitro. In the present study we investigated the role of TNF in mechanical hypersensitivity in mice...
June 3, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29131694/role-of-neuron-glial-interaction-mediated-by-il-1%C3%AE-in-ectopic-tooth-pain
#4
H Komiya, K Shimizu, N Noma, Y Tsuboi, K Honda, K Kanno, K Ohara, M Shinoda, B Ogiso, K Iwata
Although many reports have demonstrated that ectopic pain develops in the orofacial region following tooth pulp inflammation, which often causes misdiagnosis and inappropriate treatment for patients with pulpitis, the precise mechanism remains unknown. In the present study, we hypothesized that the functional interaction between satellite glial cells and neurons mediated by interleukin 1β (IL-1β) in the trigeminal ganglion (TG) is involved in ectopic orofacial pain associated with tooth pulp inflammation...
November 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29126811/properties-of-tonic-episodes-of-masseter-muscle-activity-during-waking-hours-and-sleep-in-subjects-with-and-without-history-of-orofacial-pain
#5
Acing Habibie Mude, Shigehisa Kawakami, Seiya Kato, Shogo Minagi
PURPOSE: To provide a scientific data related to the tonic activity of masseter muscle in subjects with and without history of orofacial pain during their normal daily life. METHODS: Thirty-three subjects were divided into two groups, a pain history group (PHG) and a non-pain history group (non-PHG), based on their responses to the Research Diagnostic Criteria for Temporomandibular Disorders questionnaire. After excluding four subjects with incomplete recordings, full-day masseter muscle surface EMGs of 29 subjects (10 men, 19 women; mean age 24...
November 7, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29126490/dental-management-of-patients-who-have-undergone-oral-cancer-therapy
#6
REVIEW
Alessandro Villa, Sunday O Akintoye
Oral cancer therapies are associated with orofacial complications that could result in dose-limiting cancer treatment and consequent suboptimal tumor control. Oral cancer treatment complications include oral mucositis, salivary gland hypofunction, odontogenic infections, pain, dermatitis, neurotoxicity, soft tissue fibrosis, trismus, osteoradionecrosis, and potential cancer recurrence. These complications significantly affect cancer survivorship, quality of life, and psychosocial status. Effective dental management of patients with oral cancer involves the coordination of care among several health care professionals before, during, and after cancer therapy...
January 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29123620/the-effects-of-regular-exercise-on-capsaicin-induced-pulpal-pain-and-pain-induced-changes-in-passive-avoidance-learning-and-memory-in-rats
#7
Maryam Raoof, Afshin Shakoori, Razieh Kooshki, Mehdi Abbasnejad, Sara Amanpour
Background: Pulpal pain is one of the most common and severe orofacial pain conditions with considerable adverse effects on physiological processes including learning and memory. Regular exercise is known to be effective on cognitive function as well as pain processing in the central nervous system. Here, the possible effects of regular exercise on pulpal pain response as well as pain-induced changes in learning and memory efficiency in rats were investigated. Methods: Twenty-four male Wistar rats were randomly assigned to the control, capsaicin, exercise, and exercise plus capsaicin groups...
October 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/29112008/tlr4-deficiency-abrogated-widespread-tactile-allodynia-but-not-widespread-thermal-hyperalgesia-and-trigeminal-neuropathic-pain-following-partial-infraorbital-nerve-transection
#8
Ting-Ting Hu, Ran-Ran Wang, Ying-Ying Tang, Yu-Xing Wu, Jie Yu, Wei-Wei Hou, Guo-Dong Lou, Yu-Dong Zhou, Shi-Hong Zhang, Zhong Chen
Pain sensitization following partial infraorbital nerve transection (p-IONX) in mice not only presents in orofacial region, but also spreads to distant body parts. The roles of toll like receptor 4 (TLR4) in orofacial pain and the spreading process are still unclear. Here we found that mice with deficient TLR4 due to Tr4 gene point mutation (C3H/HeJ) or spontaneous deletion (C57BL/10ScNJ) developed tactile allodynia and thermal hyperalgesia in the vibrissal pad in a parallel way to their respective wild types (C3HeB/FeJ or C57BL/6J) following p-IONX...
November 3, 2017: Pain
https://www.readbyqxmd.com/read/29105886/altered-structure-and-functional-connection-in-patients-with-classical-trigeminal-neuralgia
#9
Yuan-Hsiung Tsai, Rui Yuan, Dharni Patel, Subhashini Chandrasekaran, Hsu-Huei Weng, Jen-Tsung Yang, Ching-Po Lin, Bharat B Biswal
Classical trigeminal neuralgia (TN) is a specific type of neuropathic orofacial pain of which the plasticity of brain structure and connectivity have remained largely unknown. A total of 62 TN patients were included and referred to MRI scans. Voxel-based morphometry was used to analyze the change of gray matter volume. Resting-state functional imaging was used to analyze the connectivity between brain regions. The results showed gray matter volume reduction in components of the prefrontal cortex, precentral gyrus, cerebellar tonsil, thalamus, hypothalamus, and nucleus accumbens among right TN patient and in the inferior frontal gyrus, precentral gyrus, cerebellum, thalamus, ventral striatum, and putamen among left TN patients...
November 6, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29102165/effect-of-pregabalin-and-diclofenac-on-tactile-allodynia-mechanical-hyperalgesia-and-pro-inflammatory-cytokine-levels-il-6-il-1%C3%AE-induced-by-chronic-constriction-injury-of-the-infraorbital-nerve-in-rats
#10
Junad Khan, Noma Noboru, Yoshiki Imamura, Eli Eliav
The present study evaluated the effects of systemic pregabalin (PG) and diclofenac (Dic) on neuropathic orofacial pain induced by chronic constriction injury (CCI) of the infraorbital nerve (ION) and on the pro-inflammatory cytokines levels in the affected nerve. Fifty-four rats underwent left infra orbital nerve CCI, and 7 days after the procedure as the pain developed, the rats were randomly assigned to one of the treatment groups: PG 300, 30 or 10 mg/kg, Dic 10, 5 or 1 mg/kg or saline group (Sal) (n/group = 8)...
October 25, 2017: Cytokine
https://www.readbyqxmd.com/read/29099371/abuse-potential-of-gabapentin-in-dentistry
#11
Mea A Weinberg, Stuart L Segelnick, Joseph S Insler
Gabapentin is an anticonvulsant drug widely prescribed for various ailments, including orofacial pain. It was once thought to have no potential for abuse; however, the last decade has seen a dramatic rise in the nonmedical use of gabapentin, particularly among opioid-dependent patients. Gabapentin is sedating and interacts with other sedating medications such as opioids, which can lead to impairment and accidents and may raise the risk of overdose. Dentists must be aware of the potential for abuse of gabapentin and weigh its benefits against its risks when prescribing the drug...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29089872/role-for-the-ventral-posterior-medial-posterior-lateral-thalamus-and-anterior-cingulate-cortex-in-affective-motivation-pain-induced-by-varicella-zoster-virus
#12
Phillip R Kramer, Jennifer Strand, Crystal Stinson, Larry L Bellinger, Paul R Kinchington, Michael B Yee, Mikhail Umorin, Yuan B Peng
Varicella zoster virus (VZV) infects the face and can result in chronic, debilitating pain. The mechanism for this pain is unknown and current treatment is often not effective, thus investigations into the pain pathway become vital. Pain itself is multidimensional, consisting of sensory and affective experiences. One of the primary brain substrates for transmitting sensory signals in the face is the ventral posterior medial/posterior lateral thalamus (VPM/VPL). In addition, the anterior cingulate cortex (ACC) has been shown to be vital in the affective experience of pain, so investigating both of these areas in freely behaving animals was completed to address the role of the brain in VZV-induced pain...
2017: Frontiers in Integrative Neuroscience
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/29078971/acupuncture-effect-on-pain-mouth-opening-limitation-and-on-the-energy-meridians-in-patients-with-temporomandibular-dysfunction-a-randomized-controlled-trial
#14
Vera Lr Zotelli, Cássia M Grillo, Maria Lb Gil, Ronaldo S Wada, Jorge E Sato, Maria da Luz Rosário de Sousa
Temporomandibular disorders (TMD), recognized as the most common conditions of chronic orofacial pain, have a multifactorial etiology. Acupuncture can help to relieve the pain and discomfort associated with these conditions, because it can rebalance the energy (Qi) circulating in the meridians. The aim of the study was to verify the effectiveness of acupuncture in treating the pain; mouth opening limitation, and energy circulating in the meridians of patients with TMD of muscular or mixed origin. This was a controlled, randomized, double-blind clinical trial conducted at the Piracicaba Dental School (FOP/Unicamp), in Piracicaba SP, Brazil...
October 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29074941/orofacial-pain-an-update-on-diagnosis-and-management
#15
S Ghurye, R McMillan
The diagnosis and management of orofacial pain may be challenging due to complex histories, pathophysiology and associated psychosocial co-morbidities such as depression and anxiety. Neuropathic facial pain conditions such as burning mouth syndrome (BMS), persistent idiopathic facial pain (PIFP), atypical odontalgia (AO) and trigeminal neuralgia (TN) require early recognition by primary care clinicians and referral to secondary care. Acute pain-related temporomandibular disorder (TMD) may be managed in the primary care setting, with identification of those at risk of developing chronic TMD receiving an early referral to secondary care...
December 2017: British Dental Journal
https://www.readbyqxmd.com/read/29073665/an-unusual-case-of-simultaneous-bilateral-trigeminal-neuralgia-due-to-multiple-sclerosis
#16
Giulia Di Stefano, Emanuele Tinelli, Andrea Truini
Although several reports have indicated that trigeminal neuralgia related to multiple sclerosis may occur bilaterally in the orofacial region, trigeminal neuralgia pain usually involves the two sides in different time lapses, and the simultaneous involvement of trigeminal territories on both sides is commonly considered incompatible with its diagnosis. This case report describes a patient with bilateral trigeminal neuralgia related to multiple sclerosis that started simultaneously on both sides of the orofacial region...
October 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29065902/treatment-of-orofacial-granulomatosis-a-case-report
#17
Maaz B Badshah, Saqib Walayat, Umair Ahmed, Sonu Dhillon, Sherri Yong, Sunanda Kane, Shoba Thievanayagam
BACKGROUND: Orofacial granulomatosis is a relatively recent term coined by Wiesenfield et al. in 1985 to define granulomatous lesions of oral mucosa without intestinal involvement. When it presents in a triad encompassing facial nerve palsy, lip swelling, and fissured or furrowed tongue it is called Melkersson-Rosenthal syndrome while monosymptomatic or oligosymptomatic forms are referred to as granulomatous cheilitis. It is an uncommon clinicopathologic entity which is distinct from classic Crohn's disease...
October 25, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29054121/multisensory-modulation-of-experimentally-evoked-perceptual-distortion-of-the-face
#18
Lilja K Dagsdóttir, Valeria Bellan, Ina Skyt, Lene Vase, Lene Baad-Hansen, Eduardo Castrillon, Peter Svensson
Chronic orofacial pain patients often perceive the painful face area as 'swollen' without clinical signs, i.e., a perceptual distortion (PD). Local anesthetic (LA) injections in healthy participants are also associated with PD OBJECTIVE: The aim was to explore whether PD evoked by LA into the infraorbital region of could be modulated by adding mechanical stimulation (MS) to the affected area METHODS: MS was given with a brush and a 128 mN von Frey filament. First, sixty healthy participants were randomly divided into three groups: 1) LA control, 2) LA with MS, 3) Isotonic solution (ISO) with MS as an additional control condition...
October 20, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29045088/orofacial-pain-overview-getting-rid-of-the-riddles
#19
REVIEW
Andrew Young
While most pains that find their way to the dental office are dental in origin, some have less familiar roots: muscular, joint, neurological, headache, sinus or psychological. All of these roots can at times masquerade as a toothache. The purpose of this article is to alert the dentist to the select features of each root that distinguish it from the rest, resulting in efficient and appropriate treatment.
December 2016: Journal of the California Dental Association
https://www.readbyqxmd.com/read/29019476/parenting-a-child-with-juvenile-idiopathic-arthritis-orofacial-pain-and-dysfunction-a-qualitative-study
#20
Eva Leksell, Ulrika Hallberg, AnnaCarin Horne, Malin Ernberg, Britt Hedenberg-Magnusson
AIMS: To deepen knowledge of how parents of children diagnosed with juvenile idiopathic arthritis (JIA) perceive the orofacial manifestations of the disease, its treatments, and their encounters with dental care providers. METHODS: A total of 15 interviews with parents of JIA patients (3 to 16 years old) with orofacial pain were analyzed according to classic grounded theory. RESULTS: The main problem was identified as controlling an unpredictable life situation that includes a child with JIA...
2017: Journal of Oral & Facial Pain and Headache
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