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Dental injurents

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https://www.readbyqxmd.com/read/28623553/-kaposi-s-disease-in-an-hiv-positive-child-with-probable-contamination-from-his-grandmother
#1
A Dicko, Y Fofana, A Traoré, S Berthé, S Touré, C Lamissa, B Guindo, A Keita, O Faye
Kaposi's disease in children with HIV is rarely reported in everyday practice. This is a case study of cutaneous Kaposi's disease revealing HIV in a 5-year-old child with polymorphic eruption of papules and nodules on the face, trunk, back, and limbs. Histopathological examination confirmed the diagnosis of Kaposi's disease. The child's HIV serology was positive with a CD4 count of 240/mm3, normochromic and normocytic anemia, and a hemoglobin level at 8.5 g/dl. It was found that the child, after early weaning from his HIV-negative mother, had repeatedly suckled his healthy grandmother, who had no skin lesions but was HIV1 positive...
June 16, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28611689/monitoring-notch-signaling-associated-activation-of-stem-cell-niches-within-injured-dental-pulp
#2
Thimios A Mitsiadis, Javier Catón, Pierfrancesco Pagella, Giovanna Orsini, Lucia Jimenez-Rojo
Dental pulp stem/progenitor cells guarantee tooth homeostasis, repair and regeneration throughout life. The decision between renewal and differentiation of these cells is influenced by physical and molecular interactions with stromal cells and extracellular matrix molecules forming the specialized microenvironment of dental pulp stem cell niches. Here we study the activation of putative pulp niches after tooth injury through the upregulation of Notch signaling pathway. Notch1, Notch2, and Notch3 molecules were used as markers of dental pulp stem/progenitor cells...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28527850/complement-activation-by-pulp-capping-materials-plays-a-significant-role-in-both-inflammatory-and-pulp-stem-cells-recruitment
#3
Thomas Giraud, Pierre Rufas, Fanny Chmilewsky, Charlotte Rombouts, Jacques Dejou, Charlotte Jeanneau, Imad About
INTRODUCTION: The role of complement, especially through the C5a fragment, is well-known for the initiation of inflammation. Its involvement in regeneration has been shown more recently by the recruitment of mesenchymal stem cells. C5a can be produced locally by the pulp fibroblasts in response to injury or infection. This work aims to investigate the effect of different pulp capping biomaterials on complement activation and its possible influence on inflammatory and pulp stem cell recruitment...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28527847/self-repaired-process-of-a-traumatized-maxillary-central-incisor-with-pulp-infarct-after-horizontal-root-fracture-monitored-by-laser-doppler-flowmetry-combined-with-tissue-oxygen-monitor
#4
Qian Liao, Wenjun Ye, Junli Yue, Xiaoxi Zhao, Ling Zhang, Lan Zhang, Dingming Huang, Qinghua Zheng
Achieving a precise diagnosis of the pulp status of traumatized teeth is difficult. The time to interfere through endodontic treatment for these teeth is greatly dependent on the doctor's experience. A 24-year-old male patient suffered a traumatic injury to tooth #9 that resulted in an apical root horizontal fracture 3 days before he came to the hospital. The injured tooth showed no response to pulp sensitivity testing at the first visit and was discolored 1 week later. Tooth #9 was immobilized to its adjacent teeth for 4 weeks by a composite splint...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28492750/relationship-between-initial-attendance-after-dental-trauma-and-development-of-external-inflammatory-root-resorption
#5
Thiago Farias Rocha Lima, Emmanuel João Nogueira Leal da Silva, Brenda Paula Figueiredo de Almeida Gomes, José Flávio Affonso de Almeida, Alexandre Augusto Zaia, Adriana de Jesus Soares
This clinical study aimed to evaluate the relationship of the delay between dental trauma and the initial attendance to the development of external inflammatory root resorption in permanent teeth affected by severe luxation. Sixty-seven patients, aged between 11 and 56 years, presenting 133 injured teeth with closed apex (56 extrusive luxation, 69 lateral luxation and 8 intrusive luxation) were followed up for a minimum of 24 months. The time elapsed between dental trauma and the initial attendance was recorded...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28481371/musculoskeletal-disorders-and-perception-of-working-conditions-a-survey-of-brazilian-dentists-in-s%C3%A3-o-paulo
#6
Artênio José Ísper Garbin, Gabriella Barreto Soares, Renato Moreira Arcieri, Cléa Adas Saliba Garbin, Carlos Eduardo Siqueira
OBJECTIVES: To investigate the prevalence of work-related musculoskeletal disorders amongst dentists who work in public clinics in São Paulo, Brazil, to investigate their awareness of the presence of risk factors in the workplace, disability due to pain, and the influence of pain on this awareness and disability. MATERIAL AND METHODS: A cross-sectional study was conducted among 204 dentists who work in public health clinics in the northwest of São Paulo, Brazil...
May 8, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28465581/nerve-growth-factor-signalling-in-pathology-and-regeneration-of-human-teeth
#7
Thimios A Mitsiadis, Henry Magloire, Pierfrancesco Pagella
Nerve growth factor (NGF) is a key regulator of the development and differentiation of neuronal and non-neuronal cells. In the present study we examined the distribution of NGF and its low and high-affinity receptors, p75(NTR) and TrkA respectively, in permanent human teeth under normal and pathological conditions. In intact functional teeth, NGF, p75(NTR) and TrkA are weakly expressed in dental pulp fibroblasts and odontoblasts that are responsible for dentine formation, while the NGF and p75(NTR) molecules are strongly expressed in nerve fibres innervating the dental pulp...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28314941/neuropeptide-expression-and-morphometric-differences-in-crushed-alveolar-inferior-nerve-of-rats-effects-of-photobiomodulation
#8
Daniel Oliveira Martins, Fabio Martinez Dos Santos, Adriano Polican Ciena, Ii-Sei Watanabe, Luiz Roberto G de Britto, José Benedito Dias Lemos, Marucia Chacur
Inferior alveolar nerve (IAN) injuries may occur during various dental routine procedures, especially in the removal of impacted lower third molars, and nerve recovery in these cases is a great challenge in dentistry. Here, the IAN crush injury model was used to assess the efficacy of photobiomodulation (PBM) in the recovery of the IAN in rats following crushing injury (a partial lesion). Rats were divided into four experimental groups: without any procedure, IAN crush injury, and IAN crush injury with PBM and sham group with PBM...
May 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28282030/platelet-rich-plasma-for-regeneration-of-neural-feedback-pathways-around-dental-implants-a-concise-review-and-outlook-on-future-possibilities
#9
REVIEW
Yan Huang, Michael M Bornstein, Ivo Lambrichts, Hai-Yang Yu, Constantinus Politis, Reinhilde Jacobs
Along with the development of new materials, advanced medical imaging and surgical techniques, osseointegrated dental implants are considered a successful and constantly evolving treatment modality for the replacement of missing teeth in patients with complete or partial edentulism. The importance of restoring the peripheral neural feedback pathway and thus repairing the lack of periodontal mechanoreceptors after tooth extraction has been highlighted in the literature. Nevertheless, regenerating the nerve fibers and reconstructing the neural feedback pathways around osseointegrated implants remain a challenge...
March 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28252424/the-peculiarities-of-treatment-of-uncomplicated-and-complicated-dental-injuries-caused-by-trauma
#10
M Mamaladze, N Nizharadze, O Vadachkoria
Trauma related injuries of permanent teeth occur frequently and are the most pressing issue the dentists are facing today. In different age groups the same type of trauma affects the teeth with different frequencies. For instance, accident related dental trauma in children and adults affected permanent teeth in 30% and deciduous teeth in 20%, respectively. It should also be noted that front teeth are more susceptible to traumatic injuries compared to the incisors. Upper front teeth were injured in 72% of cases, while lower central, upper lateral incisors, canines and premolars only in 6-8%...
January 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28192031/neural-crest-stem-cells-can-differentiate-to-a-cardiomyogenic-lineage-with-an-ability-to-contract-in-response-to-pulsed-infrared-stimulation
#11
Jordan M Greenberg, Vicente Lumbreras, Daniel Pelaez, Suhrud M Rajguru, Herman S Cheung
INTRODUCTION: Cellular cardiomyoplasty has rapidly risen to prominence in the clinic following a myocardial infarction; however, low engraftment of transplanted cells limits the therapeutic benefit to these procedures. Recently, lineage-specific stem cells differentiated into cardiomyocytes have gained much attention to assist in the repair of an injured heart tissue; however, questions regarding the ideal cell source remain. In the present study, we have identified a source that is easy to extract stem cells from and show that the cells present have a high plasticity toward the cardiomyogenic lineage...
October 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28123274/prosthodontics-an-arsenal-in-forensic-dentistry
#12
REVIEW
Lakshmana Rao Bathala, Narendra Kumar Rachuri, Srinivas Rao Rayapati, Sudheer Kondaka
After major disasters such as earthquakes, fires, floods, tsunami, bomb blasts or terrorist attacks, accurate, and early identification of the dead and injured becomes an utmost importance. Restorations, cariesteeth, missingteeth and/or prostheses are most useful aids for the dental identification. At times, only identifiable remains are a victim's partial or complete dentures. The central principle of dental identification is that postmortem dental remains can be compared with antemortem dental records which include, studycasts, radiographs, etc...
September 2016: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/28116943/dental-trauma-and-bicycle-safety-a-report-in-italian-children-and-adolescents
#13
Francesca Amadori, Elena Bardellini, Alessandro Copeta, Giulio Conti, Valerio Villa, Alessandra Majorana
OBJECTIVES: This retrospective study aims to analyze the pattern of oro-facial trauma from bicycle accidents in Italian children and adolescents, focusing on the safety devices used. METHODS: The medical records of 1405 patients of the Dental Clinic of the University of Brescia, between the age of 0 to 18, who experienced a dento-facial trauma from the use of a bicycle, were analyzed. Data regarding age, gender, weight, height, dominant hand, type of bicycle, use of safety devices, location and type of dental trauma, teeth involved, bone fractures and soft tissue lesions were recorded...
April 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28105979/human-dental-pulp-stem-cells-are-more-effective-than-human-bone-marrow-derived-mesenchymal-stem-cells-in-cerebral-ischemic-injury
#14
Miyeoun Song, Jae-Hyung Lee, Jinhyun Bae, Youngmin Bu, Eun-Cheol Kim
We compared the therapeutic effects and mechanism of transplanted human dental pulp stem cells (hDPSCs) and human bone marrow-derived mesenchymal stem cells (hBM-MSCs) in a rat stroke model and an in vitro model of ischemia. Rats were intravenously injected with hDPSCs or hBM-MSCs 24 h after middle cerebral artery occlusion (MCAo), and both groups showed improved functional recovery and reduced infarct volume versus control rats, but the hDPSC group showed greater reduction in infarct volume than the hBM-MSC group...
June 9, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28049372/operator-related-aspects-in-endodontic-malpractice-claims-in-finland
#15
Miira M Vehkalahti, Outi Swanljung
OBJECTIVE: We analyzed operator-related differences in endodontic malpractice claims in Finland. MATERIALS AND METHODS: Data comprised the endodontic malpractice claims handled at the Patient Insurance Centre (PIC) in 2002-2006 and 2011-2013. Two dental advisors at the PIC scrutinized the original documents of the cases (n = 1271). The case-related information included patient's age and gender, type of tooth, presence of radiographs, and methods of instrumentation and apex location...
April 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28033685/clinical-anatomy-and-surgical-significance-of-the-lingual-foramina-and-their-canals
#16
REVIEW
Puhan He, Mindy K Truong, Nimer Adeeb, R Shane Tubbs, Joe Iwanaga
The lingual foramina and canals can be categorized as median or lateral based on their relation to the midline of the mandible. Investigation of the mandibular lingual region is often done with gross anatomical dissections of cadavers, 2D panoramic radiographic imaging, CT, and cone beam CT (CBCT). While gross studies are the most reliable at qualifying canal contents and course, CBCT proved to be superior to other radiographic techniques for visualizing lingual foramina and canals. The submental and sublingual arteries, and their branches are found in the lingual vascular canals...
March 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/27913866/communicating-branches-between-lingual-and-hypoglossal-nerve-observation-using-sihler-s-staining-technique
#17
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/27898626/dental-trauma-in-a-pediatric-emergency-department-referral-center
#18
Emily Hall, Patricia Hickey, Thuy Nguyen-Tran, Jeff Louie
OBJECTIVE: The purpose of this study was to describe dental and associated oral injuries in a pediatric population that presents to an emergency department. METHODS: We performed a retrospective study and identified children from January 2007 to September 2011. Charts were reviewed for any subject, age from newborn to younger than 19 years, based on International Classification of Diseases, Ninth Revision codes for any dental or oral injury. Data abstraction included demographics, time of day of presentation, location and identification of tooth (s) injured, management, and disposition...
December 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27827470/cross-sectional-study-of-dental-trauma-and-associated-factors-among-9-to-14-year-old-schoolchildren-in-isfahan-iran
#19
Faezeh Eslamipour, Pedram Iranmanesh, Ali Borzabadi-Farahani
PURPOSE: To assess the prevalence of dental trauma (DT) and its associated factors in 9- to 14-year-olds. SUBJECTS AND METHODS: A cross-sectional survey was carried out through clinical examination of the permanent incisors and canines of 907 schoolchildren (9 to 14 years old, average age = 11 ± 0.5 [SD] years, 55% female and 45% male) enrolled in 20 public schools in Isfahan, Iran. The demographic data, history and cause of trauma were recorded during patient interviews and with a structured questionnaire filled in by their parents...
2016: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/27703612/occurrence-and-timing-of-complications-following-traumatic-dental-injuries-a-retrospective-study-in-a-dental-trauma-department
#20
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
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