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Teeth injuries

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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
#1
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/28514517/early-childhood-caries-and-psychological-perceptions-on-child-s-oral-health-increase-the-feeling-of-guilt-in-parents-an-epidemiological-survey
#2
Thiago Saads Carvalho, Jenny Abanto, Elayne Cristina Morais Pinheiro, Adrian Lussi, Marcelo Bönecker
AIM: To assess whether parents feel guilty for their children's oral problems, associating this feeling with socio-economic, demographic, and psychological factors. DESIGN: We included 1313 parent-and-child pairs in this study. The children were 2-4 years old. Parents answered questionnaires on socio-economic and demographic data, and on psychological variables. Sixteen trained dentists (κ > 0.8) examined the children for oral hygiene (the presence and absence of plaque), early childhood caries (ECC; no caries, low and high severity), malocclusion (the presence and absence), and traumatic dental injuries (TDI; the presence and absence)...
May 17, 2017: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/28512497/management-of-perforating-idiopathic-internal-root-resorption
#3
Dalia Abdullah, Farah Eziana Hussein, Huwaina Abd Ghani
This case report describes the endodontic treatment of an idiopathic perforated internal root resorption. A 24-year-old male Malay patient presented with internal root resorption of two of his anterior teeth. The medical history was non-contributory and he had no history of traumatic injury or orthodontic treatment. Cone-beam computed tomography (CBCT) determined the nature, location and severity of the resorptive lesion. Non-surgical root canal treatment of tooth #22 and combined non-surgical and surgical approach for tooth #11 were carried out using mineral trioxide aggregate (MTA) as the filling material...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28492750/relationship-between-initial-attendance-after-dental-trauma-and-development-of-external-inflammatory-root-resorption
#4
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/28491933/wnt-and-bmp-signaling-crosstalk-in-regulating-dental-stem-cells-implications-in-dental-tissue-engineering
#5
Fugui Zhang, Jinglin Song, Hongmei Zhang, Enyi Huang, Dongzhe Song, Viktor Tollemar, Jing Wang, Jinhua Wang, Maryam Mohammed, Qiang Wei, Jiaming Fan, Junyi Liao, Yulong Zou, Feng Liu, Xue Hu, Xiangyang Qu, Liqun Chen, Xinyi Yu, Hue H Luu, Michael J Lee, Tong-Chuan He, Ping Ji
Tooth is a complex hard tissue organ and consists of multiple cell types that are regulated by important signaling pathways such as Wnt and BMP signaling. Serious injuries and/or loss of tooth or periodontal tissues may significantly impact aesthetic appearance, essential oral functions and the quality of life. Regenerative dentistry holds great promise in treating oral/dental disorders. The past decade has witnessed a rapid expansion of our understanding of the biological features of dental stem cells, along with the signaling mechanisms governing stem cell self-renewal and differentiation...
December 2016: Genes & Diseases
https://www.readbyqxmd.com/read/28468174/the-strategy-of-delayed-reconstruction-of-the-mandible-in-war-injuries
#6
Firas Taha Ahmed, Marwa Turkey Aljeuary
The most common causes of mandibular defects are ablative surgery of benign or malignant tumors, severe trauma, inflammatory diseases, and osteoradionecrosis. War injuries are another cause for mandibular defect. Reconstruction of the mandible is considered a challenge to the maxillofacial surgeon due to the accompanying functional and cosmetic importance. The object of this article was to show the role of nonvascularized bone graft in the reconstruction of segmental defect of the mandible resulted from projectiles and its snags...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28465844/delayed-treatment-of-traumatized-primary-teeth-with-distinct-pulp-response-follow-up-until-permanent-successors-eruption
#7
Gabriela Cristina de Oliveira, Juliana Calistro da Silva, Franciny Querobim Ionta, Catarina Ribeiro Barros de Alencar, Priscilla Santana Pinto Gonçalves, Thaís Marchini de Oliveira, Thiago Cruvinel, Daniela Rios
Complicated crown fracture and crown-root fracture with pulp involvement expose dental pulp to the oral environment. The pulp outcome is often unpredictable because the patient and injury which are related to variables can influence the treatment of choice and the prognosis of the case. This report presents the case of a 4-year-old boy with complicated crown fracture with pulp polyp in the primary right maxillary central incisor (51) and crown-root fracture with pulp involvement in the primary left maxillary central incisor (61), which was treated only 3 months after the tooth injuries...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28465581/nerve-growth-factor-signalling-in-pathology-and-regeneration-of-human-teeth
#8
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/28453886/remote-diagnosis-of-traumatic-dental-injuries-using-digital-photographs-captured-via-a-mobile-phone
#9
Rogério de Almeida Geraldino, Liliana Vicente Melo de Lucas Rezende, Cibele Queiroz da-Silva, Júlio César Franco Almeida
BACKGROUND: Intra-oral photographs has been aided diagnosis of several pathologies in teledentistry. Mobile phone cameras may produce high quality photographs, presenting itself as a viable tool for remote diagnosis of traumatic dental injuries. Aim To evaluate the levels of inter-examiner agreement in cases of traumatic dental injuries when comparing diagnoses conducted in person and remotely. MATERIAL AND METHODS: The sample included 40 patients with 73 traumatized teeth, and a total of 90 diagnoses, who had presented to two dental clinics, one private and the other public, in Brazil's Federal District...
April 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28449082/oral-health-and-mortality-in-the-golestan-cohort-study
#10
Emily Vogtmann, Arash Etemadi, Farin Kamangar, Farhad Islami, Gholamreza Roshandel, Hossein Poustchi, Akram Pourshams, Masoud Khoshnia, Abdulsamad Gharravi, Paul J Brennan, Paolo Boffetta, Sanford M Dawsey, Reza Malekzadeh, Christian C Abnet
Background: Previous studies have found associations between oral health and mortality, but the majority of previous studies have been conducted in high-income countries. Methods: We used data from the Golestan Cohort Study, a study of 50 045 people aged 40 to 75 years in north eastern Iran, recruited from January 2004 to June 2008. Tooth loss and decayed, missing and filled teeth (DMFT) were assessed by trained physicians. Frequency of tooth brushing and use of dentures were self-reported...
April 24, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28445623/life-threatening-injury-caused-by-complete-impalement-of-a-toothbrush-case-report
#11
Akiko Umibe, Kazuhiro Omura, Takuya Hachisu, Utaro Anazawa, Yasuhiro Tanaka
Toothbrushes are the most common cause of foreign body injury to the oral cavity in children, but complete impalement by a toothbrush is an extremely rare occurrence and has not been reported previously. This report describes a 28-month girl who fell from a one-meter ledge while brushing her teeth. Her toothbrush penetrated the oral cavity and could not be removed, so she was rushed to the hospital with the toothbrush in place. Contrast-enhanced computed tomography showed penetration of the toothbrush from the oral cavity into and through the right posterior neck at the level of the bifurcation of the common carotid artery...
April 26, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28444559/effectiveness-of-an-interdisciplinary-medical-hospital-admission-center-the-role-of-the-dental-section-in-the-interdisciplinary-system-for-perioperative-management-of-patients-awaiting-surgery
#12
Akifumi Enomoto, Eri Morikage, Takeshi Shimoide, Kazuhide Matsunaga, Suguru Hamada
Perioperative oral functional management (POFM) involves total oral management of a patient before surgery. Considerable benefits have been reported, but POFM remains scarce in medical settings. An interdisciplinary Medical Hospital Admission Center (MHAC) opened in our hospital in December 2014, and has since provided unified perioperative management for patients. This study reports on the clinical system and contributions of the systematized, standardized POFM applied through the MHAC. Patients awaiting surgery undergo oral screening before admission, with patients classified into three groups: red, needing surgical oral management (tooth extraction or other oral surgery) before surgery; yellow, needing non-surgical oral management before surgery, due to the planned surgery or the risk of tooth injury in connection with general anesthesia; or green, patients with good oral hygiene considered capable of suitable oral self-management...
June 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28437191/analysis-of-human-tooth-pulp-chamber-temperature-after-670%C3%A2-nm-laser-irradiation-in-vitro-study
#13
Cleide Regina Alves Carrara de Oliveira, Fátima Zanin, Alessandra Cassoni, José Augusto Rodrigues, Landulfo Silveira, Marcos Tadeu Pacheco, Aldo Brugnera
OBJECTIVE: One of the limiting factors of employing laser radiation on dental therapies is the potential of causing thermal injuries to pulp tissues. The purpose of this study was to evaluate intra-chamber temperature increase on extracted human teeth exposed to 670 nm wavelength InGaAlP laser diode radiation. MATERIALS AND METHODS: In vitro intra-chamber temperature measurements of 12 standardized human teeth (incisors, canines, premolars, and molars; n = 3) were taken both before and after laser radiation...
February 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28436043/european-society-of-endodontology-position-statement-the-use-of-antibiotics-in-endodontics
#14
REVIEW
J J Segura-Egea, K Gould, B Hakan Şen, P Jonasson, E Cotti, A Mazzoni, H Sunay, L Tjäderhane, P M H Dummer
This Position Statement represents a consensus of an expert committee convened by the European Society of Endodontology (ESE) on Antibiotics in Endodontics. The statement is based on current scientific evidence as well as the expertise of the committee. The goal is to provide dentists and other healthcare workers with evidence-based criteria for when to use antibiotics in the treatment of endodontic infections, traumatic injuries of the teeth, revascularisation procedures in immature teeth with pulp necrosis, and in prophylaxis for medically compromised patients...
April 24, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28433599/coronectomy-and-dentigerous-cysts-a-review-of-68-patients
#15
REVIEW
Marianne Henien, Chris Sproat, Jerry Kwok, Kiran Beneng, Vinod Patel
OBJECTIVE: This large case series retrospectively reviewed the outcomes of coronectomy in conjunction with dentigerous cyst removal in 68 patients at the oral surgery department of Guy's Hospital. STUDY DESIGN: A retrospective review of 68 patients was undertaken in a single department where 73 teeth with associated dentigerous cysts were treated by coronectomy to reduce the risk of inferior alveolar nerve injury or mandibular fracture. RESULTS: One patient experienced permanent injury of the inferior alveolar nerve...
February 20, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28424462/dietary-behaviour-of-man-eating-lions-as-revealed-by-dental-microwear-textures
#16
Larisa R G DeSantis, Bruce D Patterson
Lions (Panthera leo) feed on diverse prey species, a range that is broadened by their cooperative hunting. Although humans are not typical prey, habitual man-eating by lions is well documented. Fathoming the motivations of the Tsavo and Mfuwe man-eaters (killed in 1898 in Kenya and 1991 in Zambia, respectively) may be elusive, but we can clarify aspects of their behaviour using dental microwear texture analysis. Specifically, we analysed the surface textures of lion teeth to assess whether these notorious man-eating lions scavenged carcasses during their depredations...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28419671/pediatric-oral-injuries-presented-to-a-japanese-pediatric-emergency-room
#17
Nobuaki Inoue
BACKGROUND: Oral injuries are common among children, but the study comparing oral injuries between oral injuries with foreign objects in children's mouth and without objects is limited. The aim of this study is to compare injury patterns and their effects to children who presented to a Japanese pediatric emergency room (ER) with and without foreign objects in their mouth. METHODS: Children who were brought to the emergency room in Tokyo Metropolitan Medical Center for oral injuries from January 1(st) , 2011 to December 31(st) , 2012, were included...
April 17, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28394113/dental-fear-in-children-with-repeated-tooth-injuries
#18
Dubravka Negovetić Vranić, Nataša Ivančić Jokić, Danko Bakarčić, Andreja Carek, Željko Rotim, Željko Verzak
Tooth injuries are serious clinical conditions. Some children experience dental trauma only once, while others are more prone to repeated tooth injuries. Repeated dental trauma occurs in 19.4% to 30% of patients. Pain and dental trauma are the most common reasons for fear and anxiety. The main objective of this study was to investigate how dental trauma, as well as repeated dental trauma affects the occurrence and development of dental fear in children. The study was conducted on a random sample of 147 subjects (88 boys and 59 girls) aged 5-8 and 9-12 years...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28394107/prevalence-type-and-etiology-of-dental-and-soft-tissue-injuries-in-children-in-croatia
#19
Josip Škaričić, Marko Vuletić, Sandra Hrvatin, Jesenka Jeličić, Ivana Čuković-Bagić
The prevalence, type and etiology of dental and soft tissue injuries and relationship between the time of arrival and sustaining soft tissue injury were analyzed in this retrospective study conducted at the Department of Pediatric Dentistry, University Dental Clinic in Zagreb, Croatia, during the 2010-2014 period using documentation on 447 patients (264 male and 183 female) aged 1-16 years with injuries of primary and permanent teeth. The highest prevalence of traumatic dental injury (TDI) was found in the 7-12 age group and maxillary central incisors were most frequently affected (80...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28387184/trauma-in-permanent-teeth-factors-associated-with-adverse-outcomes-in-a-university-pediatric-dental-clinic
#20
Ahmed H Rozi, JoAnna M Scott, Ana Lucia Seminario
PURPOSE: The purpose of this study was to determine variables associated with adverse outcomes among traumatized permanent teeth in a university pediatric dental clinic. METHODS: Electronic charts of children treated at a university-based dental clinic for trauma in permanent teeth were analyzed. Variables evaluated included demographics (age, sex, American Society of Anesthesiologists classification, and insurance type), affected tooth location, trauma characteristics, type of dental trauma, elapsed time between trauma and initial treatment, elapsed time between the initial and final treatment, initial treatment type, and initial and final restoration type...
January 15, 2017: Journal of Dentistry for Children
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