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Teeth injuries

M Strub, L Keller, Y Idoux-Gillet, H Lesot, F Clauss, N Benkirane-Jessel, S Kuchler-Bopp
Transplantation of bone marrow mesenchymal stem cells (BMDCs) into a denervated side of the spinal cord was reported to be a useful option for axonal regeneration. The innervation of teeth is essential for their function and protection but does not occur spontaneously after injury. Cultured reassociations between dissociated embryonic dental mesenchymal and epithelial cells and implantation lead to a vascularized tooth organ regeneration. However, when reassociations were coimplanted with a trigeminal ganglion (TG), innervation did not occur...
June 1, 2018: Journal of Dental Research
Beatriz Dulcineia Mendes Souza, Kamile Leonardi Dutra, Morgane Marion Kuntze, Eduardo Antunes Bortoluzzi, Carlos Flores-Mir, Jessie Reyes-Carmona, Wilson Tadeu Felippe, André Luís Porporatti, Graziela De Luca Canto
INTRODUCTION: An avulsion injury is a serious trauma to pulp and periodontal tissues. After avulsion and replantation, teeth are at risk of infection and root resorption, which may affect treatment outcome and survival rate. Thus, the purpose of this systematic review was to evaluate the incidence of root resorption after the replantation of avulsed teeth. METHODS: Two reviewers searched 7 electronic databases for observational studies involving human subjects that evaluated the incidence of root resorption after tooth avulsion...
June 1, 2018: Journal of Endodontics
Ziauddin Mohammad, Sarada Penmetcha, Apeksha Bagalkotkar, Srinivas Namineni
Traumatic dental injuries (TDIs) are common in growing children. Among all the dental injuries, complicated crown root fractures (Andreasen Class VI) of maxillary permanent anterior teeth are relatively widespread. Such fractured teeth are often considered as hopeless and are extracted. However, if the tooth is to be retained, various treatment strategies have been proposed. The aim of the present case report is to suggest a new technique to treat a complicated crown root fracture. The management of this case included endodontic procedure and orthodontic extrusion to move the fracture line above the supragingival level...
January 2018: International Journal of Clinical Pediatric Dentistry
Oğuzhan Altun, Özkan Miloğlu, Numan Dedeoğlu, Şuayip Burak Duman, Kübra Törenek
BACKGROUND: It is significant to know the correct anatomical location of the mandibular foramen to obtain successful anesthesia of inferior alveolar nerve and to prevent injury to the mandibular vessels and nerve, during a variety of oral and maxillofacial surgical procedures. The aim of this study is to evaluate localization of the mandibular foramen in patients with the third molars using cone beam computed tomography. MATERIALS AND METHODS: Cone-beam computed tomography (CBCT) was used to determine the location of the mandibular foramen in 67 patients (totally 99 sides) with unilateral or bilateral impacted mandibular third molars...
May 26, 2018: Folia Morphologica (Warsz)
Fabrício Nicola, Marília Rossato Marques, Felipe Odorcyk, Letícia Petenuzzo, Dirceu Aristimunha, Adriana Vizuete, Eduardo Farias Sanches, Daniela Pavulack Pereira, Natasha Maurmann, Carlos-Alberto Gonçalves, Patricia Pranke, Carlos Alexandre Netto
The transplantation of stem cells from human exfoliated deciduous teeth (SHED) has been studied as a possible treatment strategy for spinal cord injuries (SCIs) due to its potential for promoting tissue protection and functional recovery. The aim of the present study was to investigate the effects of the early transplantation of SHED on glial scar formation and astrocytic reaction after an experimental model of SCI. Wistar rats were spinalized using the NYU Impactor. Animals were randomly distributed into three groups: control (naive) (animal with no manipulation); SCI (receiving laminectomy followed by SCI and treated with vehicle), and SHED (SCI rat treated with intraspinal SHED transplantation, 1 h after SCI)...
May 24, 2018: Molecular Neurobiology
Odilon Guariza-Filho, Cristiano Miranda de Araujo, Angela Graciela Deliga Schroder, Orlando Motohiro Tanaka, Ricardo Kern, Antonio Carlos Ruellas
INTRODUCTION: Treatment of maxillofacial injuries is complex and requires the establishment of a comprehensive and accurate diagnosis and correct treatment planning. OBJECTIVE: The objective of this case report was to describe the re-treatment of a 27-year-old woman who was involved in a severe car accident that resulted in the loss of five anterior teeth and alveolar bone, and whose previous orthodontic and surgical treatments had been unsuccessful. CASE REPORT: In this case, the space for the missing mandibular molar was reopened to allow for rehabilitation...
January 2018: Dental Press Journal of Orthodontics
E Hurley, C Stewart, C Gallagher, M Kinirons
Traumatic intrusion is a luxation type of injury where the tooth is displaced along the axis of the tooth, into the alveolus. This injury is regarded as serious because of the tissue damage that it causes. The traumatic movement is associated with severe damage to the periodontal ligament, pulpal tissue, root and alveolar socket. Despite its severity, the rare occurrence of this injury in permanent teeth has resulted in limited studies of immature and mature permanent incisors. The purpose of this paper is to review this luxation injury of permanent immature incisors, and to describe its diagnosis, treatment and management...
June 2018: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
B Jälevik, A Szigyarto-Matei, A Robertson
AIM: To describe the prevalence of different types of developmental defects of the enamel (DDE) in varying age-cohorts and habitations, and to analyse if early trauma to the primary teeth and early subsequent serious health problems were related to DDE in the permanent dentition. Dental fear and anxiety, and aesthetic problems as a consequence of DDE were also investigated. METHODS: DDE was registered over 5 years annually in three age cohorts (796 children). The DDE index (FDI Commision on Oral Health, Research and Epidemiology, Int Dent J 42:411-426, 1992) was used...
May 14, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
Peter Stanko, Ursula Altanerova, Jana Jakubechova, Vanda Repiska, Cestmir Altaner
Stem cells derived from human dental pulp tissue (DP-MSC) differ from the other mesenchymal stem cells prepared from bone marrow or adipose tissue due to their embryonic origin from the neural crest and are of special interest because of their neurotropic character. Furthermore, the therapeutic potential of DP-MSCs is realized through paracrine action of extracellularly released components, for which exosomes play an important role. In this review, we intend to explore the properties of these cells with an emphasis on exosomes...
2018: Stem Cells International
L Timms, J May
This paper outlines the involvement of dentists in the treatment of patients following the terror attack at Manchester Arena on 22 May 2017. It predominantly describes the role of the authors - a paediatric dental consultant and maxillofacial surgery dental core trainee (DCT). As a result of the incident a number of patients suffered oro-facial injuries, with many treated at Central Manchester Foundation Trust Hospitals' Manchester Royal Infirmary and Royal Manchester Children's Hospital. The major incident response of the trust is discussed, as are the presentation of blast injuries and corresponding NHS guidance...
May 11, 2018: British Dental Journal
Denise Pedrini, Sônia Regina Panzarini, Adelisa Rodolfo Ferreira Tiveron, Valéria Marisel de Abreu, Celso Koogi Sonoda, Wilson Roberto Poi, Daniela Atili Brandini
Objectives This study evaluated the evolution of cases of concussion and subluxation through a retrospective study of 20 years. Material and Methods Were examined clinical and radiographic records of 1,309 patients who underwent treatment of dentoalveolar trauma in the discipline of Integrated Clinic of the School of Dentistry of Araçatuba, UNESP, of which we selected 137 whose patients had concussion and subluxation injuries, with average age of 23.3 (SD - 10.96). The variables collected were: gender, age, history of previous and actual trauma, treatments performed, the presence of necrotic pulp, and time elapsed until the same trauma...
2018: Journal of Applied Oral Science: Revista FOB
R Castro, M Guivarch, J M Foletti, J H Catherine, C Chossegros, L Guyot
INTRODUCTION: Inferior alveolar nerve (IAN) lesions related to endodontic treatments can be explained by the anatomical proximity between the apices of the mandibular posterior teeth and the mandibular canal. The aim of this article is to review the management of inferior alveolar nerve lesions due to endodontic treatments and to establish a therapeutic flow chart. METHODS: A review of publications reporting IAN damage related to endodontic treatment over the past 20 years has been conducted, using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist; it combines an electronic search of the PubMed® and Google Scholar® databasis...
May 3, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
Danielle Clark, Liran Levin
BACKGROUND/AIMS: Lateral luxation injuries are a type of traumatic dental injury in which the tooth becomes displaced in the palatal/lingual or labial direction. This injury is common amongst children and can result in pulp canal obliteration or pulp necrosis. The objective of this systematic review was to gather existing data on lateral luxation injuries to immature teeth to evaluate their overall prognosis. METHODS: A systematic search was conducted using Medline, Pubmed, Scopus, Lilacs, EMBASE and Cochrane databases in October 2017...
May 2, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Camila Porto Pessôa, Luciana Pion, Alessandra Reyes, Ronilza Matos, Cássio Fornazari Alencar, Tatiane Fernandes Novaes, Mariana Minatel Braga
Molar-incisor hypomineralization (MIH) can result in minor injuries or major structural loss, especially in incisors and molars. Patients with MIH seek dental treatment early, usually in childhood. Choosing the best treatment option during this stage can be a challenge. Because these patients still present a mixed dentition, the use of prosthetic appliances is not usually the best option. This case report with a 7-year follow-up presents an overview of a conservative approach for the restoration of teeth affected by MIH...
May 2018: General Dentistry
Lucy Soudek, Robyn McLaughlin
Objective: Despite a growing number of injuries, no studies exist to date that quantitatively assess the strangulation risk of amber teething necklaces. The objectives of this study are to determine (a) if these necklaces release with the force required according to the American Society for Testing and Materials (ASTM) Standard Specification for Consumer Product Safety for Mechanical Requirements of Children's Jewelry, and (b) if they release with the mean force required to occlude a young child's airway, as determined in a study designed to inform manufacturing of products to reduce risk of accidental strangulation...
April 2018: Paediatrics & Child Health
Ahmed H Osman, Mohammed Atef
BACKGROUND: The introduction of CAD/CAM technology allowed clinicians to carry out complex procedures with a high level of precision and reproducibility and minimize the risk of injury during the procedure. PURPOSE: The aim of the present study is to evaluate the efficacy of the CAD/CAM surgical guide during chin harvesting procedures in reducing the risk of neurosensory damage and patient morbidity compared with the standard technique. MATERIALS AND METHODS: About 20 cases of autogenous block chin harvest were randomly into two groups...
April 23, 2018: Clinical Implant Dentistry and related Research
A Picardi, M Miranda, F Liciani, G Paterno, W Arcese, P Bollero
Objective: The aim of this prospective observational study was to identify local risk factors for the development of clinical manifestations of oral chronic Graft versus Host Disease (cGvHD) in a cohort of patients affected by haematological malignant diseases who underwent allogeneic haematopoietic stem cell transplantation (HSCT). Materials and methods: In the context of an active collaboration between the Rome Transplant Network of the Hematology and the Oral Pathology Division at "Policlinico Tor Vergata", in Rome, 47 haematological patients were included in this trial based on a systematic dental screening and follow-up protocol...
October 2017: Oral & Implantology
N Yoshiba, N Edanami, A Tohma, R Takeuchi, N Ohkura, A Hosoya, Y Noiri, H Nakamura, K Yoshiba
AIM: To explore the expression profile of CD45+/pro-collagen I+ fibrocytes in intact dental pulps as well as during wound healing in adult dental pulp tissue. METHODOLOGY: A total of 16 healthy permanent teeth were obtained from young patients (18 to 25 years) undergoing orthodontic treatment. Routine pulp capping with mineral trioxide aggregate (MTA) was performed under local anaesthesia to induce a mineralized barrier at the exposed surface. Teeth were extracted from patients after 7, 14 and 35 days...
April 21, 2018: International Endodontic Journal
Magdalena Marinescu Gava, Anni Suomalainen, Tapio Vehmas, Irja Ventä
OBJECTIVES: To examine the role of cone beam computed tomography (CBCT) in preventing failures in implant treatment. We hypothesize that the number of malpractice claims related to dental implant treatment would decrease after the first CBCT device came available in 2002 in Finland. MATERIAL AND METHODS: Data concerning malpractice claims related to dental implant treatment during the years 1997-2011 were collected from the Finnish Patient Insurance Centre (N = 330 subjects)...
April 20, 2018: Clinical Oral Investigations
Mehmet-Sinan Doğan, Michele Callea, Lindawati S Kusdhany, Ahmet Aras, Diah-Ayu Maharani, Masita Mandasari, Melissa Adiatman, Izzet Yavuz
Background: The aim of this study was evaluation of the cone-beam computed tomography (CBCT) image of 50 patients at the ages of 8-15 suspecting root fracture and root fracture occurred, exposed to dental traumatic. In additionally, this study was showed effect of crown fracture on root fracture healing. Material and Methods: All of the individuals included in the study were obtained images with the cone-beam computed tomography range of 0,3 voxel and 8.9 seconds...
January 2018: Journal of Clinical and Experimental Dentistry
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