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Teeth injuries

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https://www.readbyqxmd.com/read/27891487/a-rare-case-of-pyogenic-granuloma-with-a-natal-tooth
#1
Nidhi Agarwal, Dipanshu Kumar, Alaka Vaish, Ashish Anand
Natal teeth are teeth present in the oral cavity at the time of birth. It is extremely rare to find natal teeth in association with pathological conditions of the oral cavity. Pyogenic granuloma is a type of inflammatory hyperplasia that appears as an over exuberant connective tissue response to a stimulus or injury, in the present case the injurious agent is the natal tooth. The parents of the eight day old male infant brought the child with a natal tooth associated with a soft tissue lesion growing from the gum pad...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27862629/secreted-ectodomain-of-sialic-acid-binding-ig-like-lectin-9-and-mcp-1-synergistically-regenerate-transected-rat-peripheral-nerves-by-altering-macrophage-polarity
#2
Fumiya Kano, Kohki Matsubara, Minoru Ueda, Hideharu Hibi, Akihito Yamamoto
Peripheral nerves exhibit remarkable self-repairing reparative activity after a simple crush or cut injury. However, the neuronal transection involving a nerve gap overwhelms their repairing activity and causes persistent paralysis. Here, we show that an implantation of the serum-free conditioned medium from stem cells from human exfoliated deciduous teeth (SHED-CM) immersed in a collagen sponge into the nerve gap formed by rat facial nerves transection restored the neurological function. In contrast, SHED-CM specifically depleted of a set of anti-inflammatory M2 macrophage inducers, Monocyte monocyte chemoattractant protein-1 (MCP-1) and the secreted ectodomain of sialic acid-binding Ig-like lectin-9 (sSiglec-9) lost the ability to restore neurological function in this model...
November 10, 2016: Stem Cells
https://www.readbyqxmd.com/read/27857773/a-case-report-of-delayed-repositioning-of-intruded-permanent-maxillary-central-incisors-accompanied-by-complicated-crown-fractures-a-2-year-follow-up
#3
Azade Rafiee, Hamid Moradian, Maryam Ayatollahi
Intrusive luxation is the most severe type of dental injury with a complex healing sequence. Pulp necrosis, root resorption (surface, inflammatory and replacement resorption), and defects in marginal periodontal bone healing are the main complications. Treatment strategies can be either active, by repositioning (surgical or orthodontic extrusion), or passive, by spontaneous re-eruption based on the thorough evaluation of the case. This paper reports a case of delayed repositioning of severely intruded permanent maxillary central incisors accompanied by complicated crown fractures after 3 months...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27833965/the-prevalence-of-crown-injuries-to-frontal-teeth-at-schoolchildren-aged-6-to-14-and-their-effects-on-the-periodontal-tissue
#4
Ionela Teodora Dascălu, Horia Octavian Manolea, Evantia Coleş, Constantin Dăguci, Marilena Bătăiosu, Cristina Maria Andrei, Mihaela Jana Ţuculină, Oana Andreea Diaconu, LuminiŢa Dăguci
The research aims at emphasizing the interrelation between the social impact and the self-esteem of schoolchildren with dental crown fractures in the frontal group. Dental traumatic injuries are frequently met to schoolchildren, therefore, the prevention and interception of traumatic pathology within parents, teachers and children is more than necessary. Our statistical study intends to determine the prevalence of dental trauma to southwestern Romanian schoolchildren aged 6 to 14. The survey included a number of 1684 schoolchildren attending public schools, randomly chosen...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27833055/le-fort-i-osteotomy-to-enucleation-of-grand-proportions-fissural-cyst-presentation-of-case-report
#5
Rafael Correia Cavalcante, Fernanda Durski, Tatiana Miranda Deliberador, Allan Fernando Giovanini, Nelson Luís Barbosa Rebellato, Delson João da Costa, Leandro Eduardo Klüppel, Rafaela Scariot
Fissural cysts (FC) are caused by entraped epithelium between nasal and maxilar processes. They are commonly treated with surgical enucleation precedded or not by marsupialization depending on the cyst size. Biopsy of lesion is recommended due to confirm radiographic evaluation. It is rare to observe Le Fort I surgical approach to this type of injury. This study reports the case of an uncommon grand proportions fissural cyst in a female patient, 53, that was referred to the Oral and Maxillofacial Surgery Departament of Hospital XV presenting volume increase in maxilla associated with numbness of palate...
November 2, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27829773/rehabilitation-of-complicated-crown-root-fracture-by-invisible-approach
#6
V Leela Rani, S Rajalingam, R Hemalatha, J Jananee
Dental trauma is one of the most common and significant problems met in all dental offices almost every day. In particular, injury to the anterior teeth is more vulnerable as it may affect the psychosocial behavior, severe emotional complications can occur leading to disturbances in their mental attitude. Cosmetic (lingual) orthodontics is the recent development in the field of dentistry in the last few decades. Patients are more concerned about their appearance during the treatment and are affected by psychosocial issues because of labially placed brackets, thus leading to the evolution of lingual orthodontic appliances...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27820690/multidisciplinary-treatment-of-complicated-crown-root-fractures-a-case-study
#7
I L Stojanac, B V Bajkin, M T Premovic, B D Ramic, L M Petrovic
Traumatic dental injuries usually occur among children and adolescents, with maxillary central incisors as the most often affected teeth. Complicated crown-root fractures are particularly challenging for esthetic and functional rehabilitation and often require a multidisciplinary approach. A 21-year-old male patient came to the Dental Clinic due to fractured maxillary incisors caused by trauma during a sporting activity. Clinical examination revealed horizontal fractures of teeth 7, 8, and 9, initiating in the labial cervical third and extending subgingivally on the palate, with exposed pulp tissues...
November 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27814934/effect-of-low-intensity-pulsed-ultrasound-on-a-rat-model-of-dentin-dental-pulp-injury-and-repair
#8
Fei Wang, Yueheng Li, Zhengyan Yang, Keke Lu, Jing Zuo, Zhi Zhou
This study investigated histopathologic changes in dental pulp after treatment with low-intensity pulsed ultrasound (LIPUS). Fifty rats were randomly divided into an experimental group (n = 25) and a blank control group (n = 25). In the experimental group, a cavity was prepared in the bilateral maxillary first molars. The upper right first molars were stimulated with LIPUS (30 mW/cm(2), 1.5 MHz) for 20 min/d. The cavities prepared in the left teeth were used as experimental controls (i.e., no LIPUS)...
November 1, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27814704/prevalence-and-family-structures-related-factors-associated-with-crown-trauma-in-school-children-resident-in-suburban-nigeria
#9
T A Oyedele, A T Jegede, M O Folayan
BACKGROUND: Multiple risk factors have been identified for traumatic dental injuries, including crown fractures, in various age groups and various populations. The objective of this study was to determine the prevalence, risk factors and family related factors for crown trauma among 8 to 16 year-old children in a suburban population, Nigeria. METHODS: This is a secondary analysis of a data of 2107 children collected through a school-based survey. Study participants were 8 to 16 year-old resident in suburban Nigeria...
November 5, 2016: BMC Oral Health
https://www.readbyqxmd.com/read/27805894/odontoblastic-cell-quantification-and-apoptosis-within-pulp-of-deciduous-teeth-versus-pulp-of-permanent-teeth
#10
Elena Bardellini, Francesca Amadori, Amerigo Santoro, Giulio Conti, Giovanna Orsini, Alessandra Majorana
OBJECTIVE: While the odontoblast ability to respond to injury in permanent teeth (PT) is well established, there is a lack of knowledge about deciduous teeth (DT). Aim of this study was to compare the odontoblasts activity within the pulp of DT versus the pulp of PT. STUDY DESIGN: Dental pulp was obtained from forty-two DT and twenty-seven PT extracted from sixty-five patients (aged 6-16 years). Histomorphometry was carried out and the quantification of odontoblastic layer was assessed...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27786566/detection-of-vertical-root-fractures-in-intact-and-endodontically-treated-premolar-teeth-by-designing-a-probabilistic-neural-network-an-ex-vivo-study
#11
Masume Johari, Farzad Esmaeili, Alireza Andalib, Shabnam Garjani, Hamidreza Saberkari
OBJECTIVE: Detection of vertical root fractures (VRF) in their initial stages is a crucial issue which prevents the propagation of injury to the adjacent supporting structures. Designing a suitable neural network based model could be a useful method to diagnose the VRFs. The aim of this study was to design a probabilistic neural network to diagnose the vertical root fractures in intact and endodontically treated teeth of periapical and CBCT radiographs. Also, we have compared the efficacy of these two imaging techniques in the detection of VRFs...
October 27, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27764751/forensic-examination-after-exhumation-contribution-and-difficulties-after-more-than-thirty-years-of-burial
#12
Y Nouma, W Ben Amar, M Zribi, S Bardaa, Z Hammami, S Maatoug
We report a case of a Tunisian footballer who was found dead abroad under suspicious circumstances. The cause of death was, originally, attributed to a lightning strike. The corpse was buried without/autopsy. Over thirty years later, the family requested the exhumation to verify the identity and the cause of death. The exhumation was performed in 2011. DNA profiling from teeth and femur bone samples confirmed the identity of the deceased. The dry bone study revealed defects in the skull and the pelvis evoking firearm injuries...
October 11, 2016: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27733722/crown-root-fracture-restoration-on-a-patient-with-autism-spectrum-disorder
#13
Edna Perez, Linda S Behar-Horenstein, Marcio Guelmann
Children with intellectual and physical disabilities including autism are susceptible to dental trauma as a sequela from falls due to poor muscular coordination. In addition, their altered muscle tonus often results in an open bite with labial flaring of the maxillary incisors and lip incompetence, predisposing these teeth to fractures. This case report describes an alternative approach of restoring a fractured maxillary permanent central incisor with a composite strip crown during surgical repositioning of the periodontium on an autistic patient...
September 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27703612/occurrence-and-timing-of-complications-following-traumatic-dental-injuries-a-retrospective-study-in-a-dental-trauma-department
#14
Shaul Lin, Nir Pilosof, Munir Karawani, Ronald Wigler, Arieh Y Kaufman, Sorin T Teich
BACKGROUND: This study explores the pattern of complications occurrence resulting from traumatic dental injuries, the relation of this pattern to the number of years from the time of the injury to its first diagnosis, and other contributing characteristics such as root development and trauma characteristic. MATERIAL AND METHODS: Patients' data treated following dental trauma from 2002 to 2014 were classified and grouped according to age, gender, tooth type, injury type, diagnosis and the time that elapsed between the traumatic event and the diagnosis of complications (TIC)...
October 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27688777/the-neurovascular-properties-of-dental-stem-cells-and-their-importance-in-dental-tissue-engineering
#15
REVIEW
Jessica Ratajczak, Annelies Bronckaers, Yörg Dillen, Pascal Gervois, Tim Vangansewinkel, Ronald B Driesen, Esther Wolfs, Ivo Lambrichts, Petra Hilkens
Within the field of tissue engineering, natural tissues are reconstructed by combining growth factors, stem cells, and different biomaterials to serve as a scaffold for novel tissue growth. As adequate vascularization and innervation are essential components for the viability of regenerated tissues, there is a high need for easily accessible stem cells that are capable of supporting these functions. Within the human tooth and its surrounding tissues, different stem cell populations can be distinguished, such as dental pulp stem cells, stem cells from human deciduous teeth, stem cells from the apical papilla, dental follicle stem cells, and periodontal ligament stem cells...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27685864/classifying-and-standardizing-panfacial-trauma-with-a-new-bony-facial-trauma-score
#16
Garrett G A Casale, Brian A Fishero, Stephen S Park, Mark Sochor, Sara B Heltzel, J Jared Christophel
Importance: The practice of facial trauma surgery would benefit from a useful quantitative scale that measures the extent of injury. Objective: To develop a facial trauma scale that incorporates only reducible fractures and is able to be reliably communicated to health care professionals. Design and Setting: A cadaveric tissue study was conducted from October 1 to 3, 2014. Ten cadaveric heads were subjected to various degrees of facial trauma by dropping a fixed mass onto each head...
September 29, 2016: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/27681036/drill-related-root-injury-caused-by-intraoperative-intermaxillary-fixation-an-analysis-of-1067-screw-applications
#17
Stefan Hartwig, Andreas Boettner, Christian Doll, Jan O Voss, Moritz Hertel, Saskia Preissner, Jan D Raguse
BACKGROUND/AIMS: Intermaxillary fixation is a standard procedure for the treatment of mandibular fractures or in orthognathic surgery. Pre-drilling for screws poses the risk of accidental tooth-root injury, potentially leading to further pathological processes. Limited evidence about accidental tooth injury during intermaxillary fixation is available due to heterogenous study designs. The aim of this study was to evaluate the risk of root trauma using pre-drilled transgingival fixation screws and the clinical consequences for the affected teeth...
September 28, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27679787/a-conservative-approach-to-the-management-of-a-dental-trauma-for-immediate-natural-esthetics
#18
Pallav Mahesh Patni, Pradeep Jain, Mona Jain Patni
INTRODUCTION: The fracture of front teeth is one of the routine presentations of traumatic injuries. The treatment of a fractured tooth involving the pulp includes root canal therapy and post placement followed by core build-up or by the extraction of the fractured tooth if it is not restorable. CASE PRESENTATION: We report a case of an adult male who had traumatized both his maxillary central incisors following a blow experienced during domestic violence. He had lost a fractured fragment of the right central incisor, while the left incisor had complicated fractures with fragments retained attached to the soft tissue...
June 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/27618160/surgical-or-conservative-endodontic-treatment-a-presentation-of-two-cases-and-12-months-follow-up
#19
M S Mutluay, A T Mutluay
Traumatic injuries usually involve the anterior teeth of children and young patients. Periapical lesions are the most common findings due to this injuries. Calcium hydroxide has the potential to maintain a sterile root canal and stimulate healing of periapical pathology. At two cases, the necrotic pulp exudate was removed and a calcium hydroxide paste dressing material was placed inside the root canals up to the apices. The paste waste changed every three weeks. Periapical healing was observed at control visits without surgery and continued at the 12-months review...
January 11, 2016: West Indian Medical Journal
https://www.readbyqxmd.com/read/27578273/what-general-medicine-students-of-university-of-rijeka-know-about-dental-avulsion
#20
N Ivancic Jokic, D Bakarcic, R Grzic, M Majstorovic, M Sostarek
INTRODUCTION: Injuries of decidouos and premanent teeth can be rather hard, esspecially in combinatin if they involve adjacent supportive tissue. Among all injuries, the loss of the teeth is considered the most stressful for both a child and its parents. Tooth injury usually involves soft tissue damage, which means severe bleeding. As parents often look for help from their family general practitioners, it is very important that general practitioner is acquainted with the first aid in order to preserve the tooth and enable further skeletal development...
August 31, 2016: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
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