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Lingual nerve

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https://www.readbyqxmd.com/read/28215852/lingual-nerve-measurements-in-cadaveric-dissections-clinical-applications
#1
Somsak Sittitavornwong, Michael Babston, Douglas Denson, Steven Zehren, Jonathan Friend
PURPOSE: Lingual nerve (LN) injury is quite prevalent despite its long-known anatomic course. The purpose of this study was to accurately predict the LN pathway by identifying and measuring close anatomic landmarks; these measurements should help lessen the incidence of LN injury. MATERIALS AND METHODS: LN dissection was carried out on 15 halved cadaver skulls (total, 28 specimens). RESULTS: On average, the LN position was approximately 7 mm below the alveolar crest at the distal end of the mandibular second molar, 5...
January 26, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28210446/differences-between-panoramic-and-cone-beam-ct-in-the-surgical-evaluation-of-lower-third-molars
#2
Ruggero Rodriguez Y Baena, Riccardo Beltrami, Angelo Tagliabo, Silvana Rizzo, Saturnino-Marco Lupi
BACKGROUND: The aim of this study was to evaluate the ability to identify the contiguity between the root of the mandibular third molar and the mandibular canal (MC) in panoramic radiographs compared with Cone Beam-CT. MATERIAL AND METHODS: Panoramic radiographs of 326 third molars and CBCT radiographs of 86 cases indicated for surgery and considered at risk were evaluated. The following signs were assessed in panoramic radiographs as risk factors: radiolucent band, loss of MC border, change in MC direction, MC narrowing, root narrowing, root deviation, bifid apex, superimposition, and contact between the root third molar and the MC...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28203620/schwannoma-of-the-tongue-a-common-tumour-in-a-rare-location-a-case-report
#3
Ines Abreu, Diogo Roriz, Pedro Rodrigues, Ângela Moreira, Cristina Marques, Filipe Caseiro Alves
Schwannoma is a benign tumour that arises from Schwann cells of the peripheral nerve sheath, and is a common tumour of the head and neck. However, intraoral location is very uncommon (only 1% of all head and neck schwannomas). We report a rare case of lingual schwannoma in a 20-year-old male patient who presented with a small, slow-growing mass over the right lateral border of the tongue with 1 year of evolution and that became recently ulcerated. The patient underwent MRI examination and complete surgical excision...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28192057/tongue-and-taste-organ-biology-and-function-homeostasis-maintained-by-hedgehog-signaling
#4
Charlotte M Mistretta, Archana Kumari
The tongue is an elaborate complex of heterogeneous tissues with taste organs of diverse embryonic origins. The lingual taste organs are papillae, composed of an epithelium that includes specialized taste buds, the basal lamina, and a lamina propria core with matrix molecules, fibroblasts, nerves, and vessels. Because taste organs are dynamic in cell biology and sensory function, homeostasis requires tight regulation in specific compartments or niches. Recently, the Hedgehog (Hh) pathway has emerged as an essential regulator that maintains lingual taste papillae, taste bud and progenitor cell proliferation and differentiation, and neurophysiological function...
February 10, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/28186477/bilateral-sagittal-split-mandibular-osteotomies-for-enhanced-exposure-of-the-anterior-cervical-spine-in-children-technical-note
#5
Michael Karsy, Neal Moores, Faizi Siddiqi, Douglas L Brockmeyer, Robert J Bollo
The bilateral sagittal split mandibular osteotomy (BSSMO), a common maxillofacial technique for expanding the oropharynx during treatment of micrognathia, is a rarely employed but useful adjunct to improve surgical access to the ventral cervical spine in children. Specifically, it provides enhanced exposure of the craniocervical junction in the context of midface hypoplasia, and of the subaxial cervical spine in children with severe kyphosis. The authors describe their technique for BSSMO and evaluate long-term outcomes in patients...
February 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28153124/juxta-apical-radiolucency-relation-to-the-mandibular-canal-and-cortical-plates-based-on-cone-beam-ct-imaging
#6
Eduarda Helena Leandro Nascimento, Anne Caroline Costa Oenning, Mariana Rocha Nadaes, Gláucia Maria Bovi Ambrosano, Francisco Haiter-Neto, Deborah Queiroz Freitas
OBJECTIVE: To evaluate the relation of juxta-apical radiolucency (JAR) to the mandibular canal and cortical plates on cone beam computed tomography images, as well as to assess whether the presence of JAR is related to the position of the mandibular canal. STUDY DESIGN: Forty-seven JAR cases were evaluated by cone beam computed tomography. JAR position and its relationship to the mandibular canal and cortical plates were investigated. The position of the mandibular canal was recorded and compared with a control group...
March 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28152489/a-case-report-of-unusual-anatomical-variation-externalisation-of-inferior-alveolar-nerve
#7
David McAnerney, Shadi Basyuni, Vijay Santhanam
INTRODUCTION: The risks of third molar surgery have been well documented with damage to the inferior alveolar nerve (IAN) being one of the largest concerns. PRESENTATION OF CASE: This case report presents an impacted third molar with associated dentigerous cyst in which the IAN is externalised and runs along the lateral surface of the mandible. DISCUSSION: This is an extremely rare anatomical variation with most IANs lying inferior and lingually to third molars...
January 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28142010/prevention-of-lingual-nerve-injury-in-third-molar-surgery-literature-review
#8
REVIEW
Roberto Pippi, Andrea Spota, Marcello Santoro
PURPOSE: To identify any factors that could aid the surgeon in preventing or minimizing the risk of lingual nerve injury during third molar surgery. MATERIALS AND METHODS: Electronic research was carried out on the correlation between lingual nerve damage and lower third molar surgery (topographic anatomy, surgical technique, and regional anesthesia) using PubMed, Scopus, and Cochrane central databases. The research included only articles published in English up to February 2016...
January 4, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28125518/a-survey-of-the-opinion-and-experience-of-uk-dentists-part-2-risk-assessment-strategies-and-the-management-of-iatrogenic-trigeminal-nerve-injuries-related-to-dental-implant-surgery
#9
Zehra Yilmaz, Cemal Ucer, Edwin Scher, Jon Suzuki, Tara Renton
BACKGROUND: Dental implant-related iatrogenic injuries are proportionally increasing with dental implant surgery. This study assessed the experience of implant-related trigeminal nerve (TG) injuries among UK dentists. Risk management strategies and management of implant-related inferior alveolar nerve (IAN), mental nerve (MN), and lingual nerve injuries were investigated. METHODS: A survey was distributed among 405 dentists attending an Association of Dental Implantology (ADI) congress, of which 187 completed the survey...
January 25, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28049116/schwannoma-of-the-tongue
#10
Jakob Kavčič, Marko Božič
Schwannoma, neurilemmoma or neurinoma is a rare, benign nerve sheath neoplasm composed of Schwann cells. It is usually solitary, slow growing and asymptomatic. Approximately 1-12% of the tumours occur intraorally with the tongue being the most common location. We report a rare case of lingual schwannoma in a 20-year-old female patient involving the tip of the tongue, which was slow growing and asymptomatic. For diagnosis histopathological examination and also immunohistochemistry testing were carried out to confirm the nature of tissue fragments...
October 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28045824/neuropathic-pain-due-to-iatrogenic-lingual-nerve-lesion-nerve-grafting-to-reduce-otherwise-untreatable-pain
#11
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...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28025370/prognosis-after-surgical-treatment-of-trigeminal-neuropathy-with-a-pga-c-tube-report-of-10-cases
#12
Kenji Seo, Makoto Terumitsu, Yuji Inada, Tatsuo Nakamura, Keiji Shigeno, Yutaka Tanaka
OBJECTIVE: Although surgery using a polyglycolic acid-collagen (PGA-c) tube is effective for peripheral nerve injury-induced chronic hand pain, it has not been applied to trigeminal nerve lesions because of the difficult approach. We used a PGA-c tube during surgery for trigeminal neuropathy and evaluated its prognosis based on the outcomes. DESIGN: Case report. SETTING AND PATIENTS: In the dental anesthesia division of a university hospital, 11 patients with severe dysesthesia underwent surgical repair of a damaged lingual nerve (LN) or inferior alveolar nerve (IAN)...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27939450/comparative-histochemistry-of-posterior-lingual-salivary-glands-of-mouse
#13
COMPARATIVE STUDY
Asterios Triantafyllou, David Fletcher
Normal posterior deep and superficial salivary glands of tongue were examined in male mice by means of light microscopical histochemistry and neurohistology. Both glands showed acini and simple ducts. Demilunes were present in the superficial gland. Disulphides and neutral mucosubstances occurred in acini and demilunes. Tryptophan staining was seen in acini of the deep gland and demilunes, whereas acid mucosubstances were exclusively localised in the superficial gland. Dehydrogenase activities were widespread...
January 2017: Acta Histochemica
https://www.readbyqxmd.com/read/27913866/communicating-branches-between-lingual-and-hypoglossal-nerve-observation-using-sihler-s-staining-technique
#14
Joe Iwanaga, Koichi Watanabe, Tsuyoshi Saga, Yoko Tabira, Moriyoshi Nakamura, Christian Fisahn, R Shane Tubbs, Jingo Kusukawa, Koh-Ichi Yamaki
PURPOSE: Many dental procedures are at risk of injuring the lingual nerve. We performed this study to better elucidate the microanatomy that exists between the ipsilateral lingual and hypoglossal nerves so that iatrogenic injury can be avoided. METHODS: Adult human cadaveric tongues (ten sides) underwent Sihler's staining to identify the microanatomy between the lingual and hypoglossal nerves. RESULTS: The lingual nerve entered the middle part of the anterior two-thirds of the tongue from its lateral side and divided into two to four thick branches...
December 2, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27893553/healing-effects-of-platelet-rich-plasma-on-peripheral-nerve-injuries
#15
Farshid Bastami, Peyman Vares, Arash Khojasteh
Regeneration of peripheral nerve injuries (PNIs) has been a major challenging issue in regenerative medicine and tissue engineering. Inferior alveolar nerve and lingual nerve injuries are the major difficulties and complications of oral surgeries following dental implant placement, etc. The aim of this study was to systematically review the effects of platelet-rich plasma (PRP) on the regeneration of PNIs. Medline NCBI databases were searched for related articles up to and including May 2016. Being published in English papers, use of PRP in peripheral nerve regeneration, in vivo studies, and having histological evaluations was the inclusion criteria...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27888641/carotid-artery-and-lower-cranial-nerve-exposure-with-increasing-surgical-complexity-to-the-parapharyngeal-space
#16
Ana M Lemos-Rodriguez, Satyan B Sreenath, Rounak B Rawal, Lewis J Overton, Zainab Farzal, Adam M Zanation
OBJECTIVES/HYPOTHESIS: To investigate the extent of carotid artery exposure attained, including the identification of the external carotid branches and lower cranial nerves in five sequential external approaches to the parapharyngeal space, and to provide an anatomical algorithm. STUDY DESIGN: Anatomical study. METHODS: Six latex-injected adult cadaver heads were dissected in five consecutive approaches: transcervical approach with submandibular gland removal, posterior extension of the transcervical approach, transcervical approach with parotidectomy, parotidectomy with lateral mandibulotomy, and parotidectomy with mandibulectomy...
November 26, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27876721/-prevention-of-lingual-nerve-damage-by-removing-stones-from-submandibular-salivary-gland-duct
#17
V A Semkin, V V Sogacheva
The aim of the study was to elaborate lingual nerve sparing procedure of submandibular gland duct stones extraction. The study involved 43 patients with syalolithiasis treated in Oral Surgery Unit of Central Research Institute of Dentistry and Maxillofacial Surgery in 2013-2015. It was shown that to prevent lingual nerve and artery injury submandibular salivary gland duct should be dissected to the level of obstruction thus allowing adequate visualization of anatomical correlations especially when removing stones from the distal part of the duct...
2016: Stomatologii︠a︡
https://www.readbyqxmd.com/read/27857894/buccolingual-course-of-the-inferior-alveolar-canal-in-different-mental-foramen-locations-a-cone-beam-computed-tomography-study-of-an-iranian-population
#18
Atieh Safaee, Sanam Mirbeigi, Fatemeh Ezoddini, Leila Khojastepour, Alireza Navab-Azam
CONTEXT: Better understanding of the anatomical location and course of the mandibular canal is necessary to avoid damaging inferior alveolar nerve. AIMS: The aim of this study was to investigate the buccolingual course of the inferior alveolar canal (IAC) in different mental foramen locations, using cone beam computed tomography. MATERIALS AND METHODS: Three hundred and twelve hemimandibular images were evaluated in this study. The location of mental foramen in relation to the apices of mandibular premolar and molar teeth were recorded...
October 2016: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/27847156/palatal-and-lingual-augmentation-prosthesis-for-patients-with-dysphagia-and-functional-problems-a-clinical-report
#19
Tomohisa Ohno, Ichiro Fujishima
This clinical report describes the treatment of a patient with insufficient tongue movement due to bilateral hypoglossal nerve palsy. A palatal augmentation prosthesis and a mandibular intraoral prosthesis (lingual augmentation prosthesis) were provided for this patient to address his functional dysphagia problems. These problems included insufficient oral to pharynx bolus transportation and displacement of the tongue to the right posterior. The 2 prostheses improved these 2 problems and also the head extension posture during swallowing...
November 12, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27837346/the-effect-of-modified-surgical-flap-design-for-removal-of-lower-third-molars-on-lingual-nerve-injury
#20
Anwar B Bataineh, Ra'ad A Batarseh
AIM: The objective of this study was to evaluate a modified flap design for removal of lower third molars with avoidance of lingual flap elevation and its effect on postsurgical lingual nerve sensory impairment. MATERIALS AND METHODS: The patients included in this prospective study were those referred for removal of symptomatic lower third molars at two Oral and Maxillofacial Surgery clinics. Different patterns of impaction were included regarding the angulation and depth of the lower third molar...
November 12, 2016: Clinical Oral Investigations
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