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Dental injurents

S Kabatas, C S Demir, E Civelek, I Yilmaz, A Kircelli, C Yilmaz, Y Akyuva, E Karaoz
OBJECTIVE: This study aimed to analyze the effect of human Dental Pulp-Neural Crest Stem Cells (hDP-NCSCs) delivery on lesion site after spinal cord injury (SCI), and to observe the functional recovery after transplantation. METHODS: Neural Crest Stem Cells (NCSCs) were isolated from human Dental Pulp (hDP). The experimental rat population was divided into four groups (n = 6/24). Their behavioral motility was scored regularly. After 4-weeks, rats were sacrificed, and their spinal cords were examined for Green Fluorescent Protein (GFP) labeled hDP-NCSCs by immunofluorescence (IF) staining...
2018: Bratislavské Lekárske Listy
Klaus Bsl Batista, Badri Thiruvenkatachari, Jayne E Harrison, Kevin D O'Brien
BACKGROUND: Prominent upper front teeth are a common problem affecting about a quarter of 12-year-old children in the UK. The condition develops when permanent teeth erupt. These teeth are more likely to be injured and their appearance can cause significant distress. Children are often referred to an orthodontist for treatment with dental braces to reduce the prominence of their teeth. If a child is referred at a young age, the orthodontist is faced with the dilemma of whether to treat the patient early or to wait and provide treatment in adolescence...
March 13, 2018: Cochrane Database of Systematic Reviews
Y Klazen, F Van der Cruyssen, M Vranckx, M Van Vlierberghe, C Politis, T Renton, R Jacobs
With the growing demand for dental work, trigeminal nerve injuries are increasingly common. This retrospective cohort study examined 53 cases of iatrogenic trigeminal nerve injury seen at the Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven between 2013 and 2014 (0.6% among 8845 new patient visits). Patient records were screened for post-traumatic trigeminal nerve neuropathy caused by nerve injury incurred during implant surgery, endodontic treatment, local anaesthesia, tooth extraction, or specifically third molar removal...
March 6, 2018: International Journal of Oral and Maxillofacial Surgery
Haichao Liu, Lei Zhao, Wenzhen Gu, Qin Liu, Zhixiong Gao, Xiao Zhu, Zhi Wu, Hongwen He, Fang Huang, Wenguo Fan
Satellite glial cells (SGCs), a peripheral neuroglial cell, surround neurons and form a complete envelope around individual sensory neurons in the trigeminal ganglia (TG), which may be involved in modulating neurons in inflammation. The purpose of this study was to determine the effect of dental injury and inflammation on SGCs in the TG. Pulp exposure (PX) was performed on the first maxillary molar of 28 rats. The neurons innervating injured tooth in TG were labeled by the retrograde transport of fluoro-gold (FG)...
March 8, 2018: Journal of Molecular Histology
E Piemonte, J Lazos, P Belardinelli, D Secchi, M Brunotto, H Lanfranchi-Tizeira
BACKGROUND: Most of the studies dealing with Chronic Mechanical Irritation (CMI) and Oral Cancer (OC) only considered prosthetic and dental variables separately, and CMI functional factors are not registered. Thus, the aim of this study was to assess OC risk in individuals with dental, prosthetic and functional CMI. Also, we examined CMI presence in relation to tumor size. MATERIAL AND METHODS: a case-control study was carried out from 2009 to 2013. Study group were squamous cell carcinoma cases; control group was patients seeking dental treatment in the same institution...
February 24, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
Salwa A Alsadhan, Najla F Alsayari, Mashael F Abuabat
OBJECTIVES: The main aim of this cross-sectional study was to assess knowledge concerning traumatic dental injuries and their management among primary schoolteachers in Riyadh, Saudi Arabia. The secondary objective was to evaluate the effect of gender, nationality, marital status, school type, geographical area, age group, level of education and years of experience on teachers' knowledge. METHODOLOGY: Data were collected, through a self-administered questionnaire, from both male and female teachers employed in public and private primary schools in the five geographical areas of Riyadh City...
February 22, 2018: International Dental Journal
Varsha Ajit Sangle, V K Pooja, Anuja Holani, Nishat Shah, Mayur Chaudhary, Sneha Khanapure
Context: The reactive lesions are relatively common in the oral cavity because of the frequency with which the tissues are injured. They often result from a known stimulus or injury such as dental plaque, calculus, or foreign material. Aims: The aim of this study was to review the clinicopathologic features of reactive hyperplastic lesions (RHLs) of the oral cavity at MIDSR, Dental College and Hospital, Latur, Maharashtra, and to compare these data with those of previously reported studies...
January 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Koji Honda, Makoto Hirota, Toshinori Iwai, Koichi Fujita, Susumu Omura, Takashi Ono, Iwai Tohnai
Occlusal and esthetic rehabilitation of jaw deformities in patients with partially edentulous maxilla are challenging procedures. This article describes a patient involving a skeletal Class III, 36-year-old male patient with a single bilateral anterior partially edentulous maxilla resulting from injuries sustained in a motor vehicle accident; his anterior teeth had been lost for more than 10 years. His lip protruded from the lateral view due to the proclined upper incisors and mandibular protrusion.Because of the facial deformity and inadequate prosthesis of the maxilla, the prosthesis had dropped out repeatedly...
February 7, 2018: Journal of Craniofacial Surgery
Yadong Ji, Seung K Choi, Ahmed S Sultan, Kong Chuncai, Xiaoying Lin, Erfan Dashtimoghadam, Mary Anne Melo, Michael Weir, Huakun Xu, Lobat Tayebi, Zhihong Nie, Didier A Depireux, Radi Masri
Maintaining the vitality of the dental pulp, the highly innervated and highly vascular, innermost layer of the tooth, is a critical goal of any dental procedure. Upon injury, targeting the pulp with specific therapies is challenging because it is encased in hard tissues. This project describes a method that can effectively deliver therapeutic agents to the pulp. This method relies on the use of nanoparticles that can be actively steered using magnetic forces to the pulp, traveling through naturally occurring channels in the dentin (the middle layer of the tooth)...
February 1, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
Jordan Rattai, Liran Levin
BACKGROUND/AIMS: Ice hockey players of all ages experience oral and dental injuries. The Aim of this study was to evaluate the rates of ice hockey related oral injuries, time lost due to oral injury and mechanisms of oral injuries in the province of Alberta during a 15 year period (2001-2016). METHODS: Hockey Alberta, the governing body for minor ice hockey associations across the province collects injury report forms from injured participants in sanctioned events...
February 6, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Xuemei Zhang, Yinglian Zhou, Hulun Li, Rui Wang, Dan Yang, Bing Li, Xiaofang Cao, Jin Fu
BACKGROUND/AIMS: Ischemic stroke is a major cause of disability and mortality worldwide, while effective restorative treatments are limited at present. Stem cell transplantation holds therapeutic potential for ischemic vascular diseases and may provide an opportunity for neural regeneration. Dental pulp stem cells (DPSCs) origin from neural crest and have neuro-ectodermal features including proliferation and multilineage differentiation potentials. METHODS: The rat model of middle cerebral artery occlusion (MCAO) was used to evaluate whether intravenous administration of DPSCs can reduce infarct size and to estimate the migration and trans-differentiation into neuron-like cells in focal cerebral ischemia models...
January 22, 2018: Cellular Physiology and Biochemistry
Rajarshi Ghosh, Kulandaswamy Gopalkrishnan
AIMS AND OBJECTIVES: The aim of this study is to retrospectively analyze the incidence of facial fractures along with age, gender predilection, etiology, commonest site, associated dental injuries, and any complications of patients operated in Craniofacial Unit of SDM College of Dental Sciences and Hospital. MATERIALS AND METHODS: This retrospective study was conducted at the Department of OMFS, SDM College of Dental Sciences, Dharwad from January 2003 to December 2013...
January 29, 2018: Journal of Craniofacial Surgery
Si-Lei Tan, Shu-Ya Peng, Lei Wan, Jie-Min Chen, Wen-Tao Xia
Dental injuries, especially of the incisors, caused by punches in violent criminal attacks could be seen in daily forensic casework involving the identification of injuries to a living body. Sometimes, when there is neither circumstantial evidence nor information about the surrounding circumstances, it is difficult to discern the cause of these injuries and the manner in which they were inflicted. As an example of clinical forensic medicine, we present the case of a 58-year-old woman whose teeth were injured when fighting with her son-in-law over household affairs with no witnesses present...
January 1, 2018: Medicine, Science, and the Law
Ibrahim Hassan El-Kalla, Hanaa Mahmoud Shalan, Rabaa Abo Bakr
Background: Traumatic injuries are common dental problems in pediatric dentistry that may influence the children's quality of life. Aim: the aim of this study is to assess the impact of traumatic dental injuries (TDI) and oral health-related quality of life (OHRQoL) among Egyptian schoolchildren aged 11-14 years. Materials and Methods: A cross-sectional study was carried out involving a sample of 11700 schoolchildren from public and private schools of Mansoura city, Egypt...
October 2017: Contemporary Clinical Dentistry
Iswarya R Raju, C P Sreedev, Sebeena Mathew, N T Deepa, K Karthick, T Boopathi
Dental trauma can predominantly affect the maxillary anteriors. Trauma can occur to any age group due to accidents, assaults, or leisure activities. The goal of the treatment for traumatically injured teeth is to return the teeth to acceptable function and form. In this case presentation, the endodontic and esthetic treatment approach of crown fracture is presented.
November 2017: Journal of Pharmacy & Bioallied Sciences
Giorgos N Tzanetakis
INTRODUCTION: Intrusive luxation is one of the most severe traumatic injuries of permanent teeth that may adversely affect the pulp and the periodontium. Pulp necrosis and root resorption are the main pathologic entities associated with this injury. The present report describes the endodontic management of an intruded immature maxillary central incisor presented with pulp necrosis and severe inflammatory root resorption by using the regenerative approach. METHODS: A 7-year-old boy with dental trauma to the anterior maxillary region was referred for the management of a traumatized maxillary central incisor...
February 2018: Journal of Endodontics
Matthew L Edwards, George S Bause
Though most patients survived the hypoxic challenge, some patients likely suffered asphyxial brain damage from GQ Colton's nitrous-oxide techniques and were admitted to insane or lunatic asylums.
October 2017: Journal of Anesthesia History
Kyoko Senoo, Keisuke Yamashiro, Tadashi Yamamoto, Fumio Myokai, Mari Kawamura, Shogo Takashiba
In the original publication of the article, one of the author name was published incorrectly as "Keisuke Yamashairo" and correct name should be "Keisuke Yamashiro".
December 22, 2017: Odontology
James C Harris
PURPOSE OF REVIEW: Lesch-Nyhan Syndrome (LNS) is a metabolic disorder involving mutations in the HGPRT1 gene that result in hyperuricemia, intellectual disability, a dystonic movement disorder, and compulsive self-injury with self-mutilation. The aim of this review is to summarize recent research that documents the extended behavioral, neurologic, and neurocognitive phenotype in classic LNS, to describe milder variants of HGprt deficiency that do not self-injure and have less severe neurological and cognitive deficits, and to provide an update on treatment for associated psychiatric and behavioral disorders...
March 2018: Current Opinion in Psychiatry
Kyle H Vining, Jacob C Scherba, Alaina M Bever, Morgan R Alexander, Adam D Celiz, David J Mooney
Dental disease annually affects billions of patients, and while regenerative dentistry aims to heal dental tissue after injury, existing polymeric restorative materials, or fillings, do not directly participate in the healing process in a bioinstructive manner. There is a need for restorative materials that can support native functions of dental pulp stem cells (DPSCs), which are capable of regenerating dentin. A polymer microarray formed from commercially available monomers to rapidly identify materials that support DPSC adhesion is used...
January 2018: Advanced Materials
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