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Dental Traumatology: Official Publication of International Association for Dental Traumatology

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https://www.readbyqxmd.com/read/28429855/coincidence-of-mandibular-fractures-with-isolated-posterior-maxillary-sinus-fractures
#1
Sebastian Blatt, Roman Rahimi-Nedjat, Keyvan Sagheb, Lisa Piechowiak, Christian Walter, Dan Brüllmann
BACKGROUND/AIM: There is no data available to show whether there is a relationship between mandibular fractures and isolated fractures of the posterior and/or latera wals of the maxillary sinus. The aim of this study was to determine whether there is a coincidence between these fracture patterns. METHODS: Four hundred large volume cone beam computed tomography scans (CBCT) of patients with a fracture of the mandible between 2008 and 2013 were analyzed retrospectively...
April 21, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28419716/effect-of-dehydration-and-rehydration-intervals-on-fracture-resistance-of-reattached-tooth-fragments-using-a-multimode-adhesive
#2
Déborah Lousan do Nascimento Poubel, Júlio César Franco Almeida, Ana Paula Dias Ribeiro, Guilherme Brasil Maia, Jesús Maurício Gonzalez Martinez, Fernanda Cristina Pimentel Garcia
BACKGROUND/AIMS: The tooth fragment bonding technique, frequently used to restore traumatized teeth, may be affected by dehydration/rehydration periods. The aim of this study was to evaluate the effects of different dry and wet storage intervals on multimode adhesive bonding between reattached fragments and teeth. MATERIALS AND METHODS: Eighty-four bovine incisors were fractured and randomized into groups (n=12). After teeth fracturing, each specimen was assigned to one of the following groups: G0: control group (sound tooth); GA1 and GA2: 1-h dehydration and a 15-min or 24-h rewetting period, respectively; GB1 and GB2: 24-h dehydration and a 15-min or 24-h rewetting period, respectively; and GC: 1-h (GC1) or 24-h (GC2) dehydration period only...
April 17, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28376278/dental-trauma-prevention-with-mouthguard-in-a-nose-fracturing-blow-to-the-face-case-report-and-literature-review
#3
Ivan Onone Gialain, Solange Kobayashi-Velasco, Celso Luiz Caldeira, Marcelo Gusmão Paraíso Cavalcanti
Orofacial injuries are common in sports activities and may vary in complexity and the tissues involved. Most sports-related trauma occurs when a player hits another player, an object or the ground. This report presents a case of an injury caused by a punch-like blow to the face during a handball college team practice session. The patient suffered a traumatic blow to the left side of the nose and mouth and promptly attended a dentist. After a clinical examination and a CBCT scan, the following injuries were diagnosed: upper lip laceration, upper left lateral incisor subluxation and anterior nasal spine fracture...
April 4, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28371334/the-risk-of-healing-complications-in-primary-teeth-with-concussion-and-subluxation-injury-a-retrospective-cohort-study
#4
Eva Lauridsen, Paul Blanche, Catherina Amaloo, Jens Ove Andreasen
BACKGROUND/AIM: Traumatic dental injuries (TDIs) in the primary dentition occur frequently. Long term complications may potentially cause damage to the permanent successor. The aim of this study was to report the risk of pulp necrosis (PN), pulp canal obliteration (PCO), repair related resorption (RRR), infection-related resorption (IRR), ankylosis-related resorption (ARR) and premature tooth loss (PTL) in primary teeth following concussion and subluxation injuries, and to identify possible risk factors for PN, PCO and PTL following subluxation...
March 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28349653/the-risk-of-healing-complications-in-primary-teeth-with-intrusive-luxation-a-retrospective-cohort-study
#5
Eva Lauridsen, Paul Blanche, Nadia Yousaf, Jens Ove Andreasen
BACKGROUND/AIMS: Intrusive luxation is a frequent injury in the primary dentition. Complications such as ankylosis or pulp necrosis and infection with periapical inflammation may affect the developing permanent tooth if not diagnosed and treated in time. The aim of this study was to report the risk of pulp necrosis (PN), pulp canal obliteration (PCO), infection-related resorption (IRR), ankylosis-related resorption (ARR) and premature tooth loss (PTL) in primary teeth following intrusive luxation, and to identify possible risk factors for PN and PTL...
March 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28349629/the-risk-of-healing-complications-in-primary-teeth-with-extrusive-or-lateral-luxation-a-retrospective-cohort-study
#6
Eva Lauridsen, Paul Blanche, Nadia Yousaf, Jens Ove Andreasen
BACKGROUND/AIM: Traumatic dental injuries (TDIs) in the primary dentition occur frequently. Long term complications may potentially cause damage to the permanent successor. The aim of this study was to report the risk of pulp necrosis (PN), pulp canal obliteration (PCO), infection-related resorption (IRR), ankylosis-related resorption (ARR) and premature tooth loss (PTL) in primary teeth following extrusion or lateral luxation, and to identify risk factors for PN and PTL. MATERIAL AND METHODS: This was a retrospective study of 24 patients with 26 extruded primary teeth, and 242 patients with 331 primary teeth with lateral luxation...
March 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28342218/histological-assessment-of-regenerative-endodontic-treatment-in-animal-studies-with-different-scaffolds-a-systematic-review
#7
REVIEW
Milad Altaii, Lindsay Richards, Giampiero Rossi-Fedele
BACKGROUND/AIM: The concept of regenerative endodontic procedures remains controversial. The aim of this study was to evaluate the histology of the tissues formed in immature animal teeth with necrotic and infected pulps after attempted endodontic regeneration procedures using different scaffolds. DESIGN: A systematic electronic literature search was performed in PubMed, Web of Science, Scopus, EMBASE, DOSS, and Cochrane Library databases. The terms used were a combination of the following: "immature permanent necrotic tooth or teeth" or "open apex or apices" and "regeneration or revitalization or revascularization" and "histology...
March 24, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28317333/contemporary-imaging-for-the-diagnosis-and-treatment-of-traumatic-dental-injuries-a-review
#8
Nestor Cohenca, Adrian Silberman
Traumatic dental injuries (TDI) have an array of presentations. Diagnostic challenges are common and clinicians' ability to correctly identify specific injuries dictates the optimal course of treatment(s). The aim of this review is to outline and assess all dental imaging techniques and their applications to traumatic dental injuries. A particular interest is given to the advancement of 3-D imaging techniques and their role in diagnosis and treatment planning. The benefits of achieving a more accurate diagnosis are paramount to perfecting clinical judgments and outcomes...
March 20, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28301714/formation-of-vacuum-formed-and-pressure-formed-mouthguards
#9
Fumi Mizuhashi, Kaoru Koide
BACKGROUND/AIM: The method used to form mouthguards should be carefully selected in order to obtain their full preventive benefits. The aim of this study was to examine the differences of mouthguard characteristics according to the forming methods. MATERIALS AND METHODS: Mouthguard sheets of 3.8-mm ethylene vinyl acetate were vacuum-formed and pressure-formed on a working model. The sheets were formed when heating causing them to displace 15 mm from baseline. Mouthguard thickness was measured at the labial surface of the central incisor, the buccal surface of the first molar, and the occlusal surface of the first molar...
March 16, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28296061/influence-of-continuous-use-of-a-vacuum-forming-machine-for-mouthguard-thickness-after-thermoforming
#10
Mutsumi Takahashi, Yoshiaki Araie, Yoshihide Satoh, Shin-Ichi Iwasaki
Mouthguards can reduce the risk of sports-related injuries such as tooth fracture or avulsion, but the sheet material and thickness have a large effect on their efficacy and safety. The aim of this study was to investigate the effect of the continuous use of a vacuum-forming machine on mouthguard thickness MATERIALS AND METHODS: Ethylene vinyl acetate sheets and olefin copolymer sheets were used for thermoforming with a vacuum-forming machine. The working model was trimmed to a height of 23 mm at the maxillary central incisor and 20 mm at maxillary first molar...
March 15, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28296040/maxillofacial-trauma-patterns-associated-with-external-auditory-canal-fractures-cone-beam-computed-tomography-analysis
#11
Ibrahim K Ali, Kaustubh Sansare, Freny R Karjodkar, Prashant Salve, Kavita Vanga, Ajinkya M Pawar
BACKGROUND/ AIMS: There is a paucity of literature on EAC fractures secondary to maxillofacial trauma, with most of the literature on EAC fractures consisting of isolated case reports. To the authors' best knowledge, this is the first study to use Cone Beam Computed Tomography to evaluate the EAC region. The aim of this study was to assess the prevalence of external auditory canal (EAC) fracture following maxillofacial trauma and to evaluate the association between EAC fracture and other maxillofacial fractures and the region of trauma...
March 15, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28276628/traumatic-dental-injuries-in-children-with-special-health-care-needs
#12
Ola B Al-Batayneh, Arwa I Owais, Majd O Al-Saydali, H Barry Waldman
BACKGROUND/AIM: Children with special healthcare needs (CSHCN) are at an increased risk for traumatic dental injuries (TDI) due to unique predisposing factors; moreover, their access to dental care is compromised. In Jordan, there is a need to study TDI among CSHCN to highlight their dental care needs. The aim of this study was to identify the prevalence, types, possible risk factors associated with TDI, and treatment-seeking behavior in CSHCN in Jordan. MATERIAL AND METHODS: Children (n=959) were examined in schools/centers for CSHCN, and compared to a healthy age- and gender-matched control group...
March 9, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28258969/association-between-regional-heterogeneity-in-the-mid-facial-bone-micro-architecture-and-increased-fragility-along-le-fort-lines
#13
Aleksa Janovic, Petar Milovanovic, Michael Hahn, Zoran Rakocevic, Michael Amling, Bjoern Busse, Milovan Dimitrijevic, Marija Djuric
BACKGROUND/AIM: Le Fort lines have traditionally been considered as zones of weakness in the mid-facial skeleton although the structural basis of increased bone fragility at these sites has not yet been investigated. Considering recent findings of occlusal loading-related regional heterogeneity in the mid-facial bone micro-architecture, the aim of this study was to explore whether such heterogeneity in cortical and cancellous bone micro-architecture may contribute to increased fragility at Le Fort fracture sites...
March 4, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28235162/pulp-prognosis-following-conservative-pulp-treatment-in-teeth-with-complicated-crown-fractures-a-retrospective-study
#14
Guiyan Wang, Chao Wang, Man Qin
BACKGROUND/AIM: Complicated crown fractures are relatively common in children where the maintenance of the pulp is especially important in young permanent teeth. The aim of this study was to analyze the pulp prognosis of permanent teeth with complicated crown fractures treated with conservative pulp treatment in adolescents. MATERIAL AND METHODS: Complete dental records of teeth with complicated crown fractures treated with conservative pulp treatment were obtained...
February 24, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28231638/comparison-of-the-shock-absorption-capacities-of-different-mouthguards
#15
Melina Simonetta Bochnig, Min-Jung Oh, Theresa Nagel, Fred Ziegler, Paul-Georg Jost-Brinkmann
BACKGROUND/AIMS: In this in vitro study the protective qualities of different mouthguard types were examined during small hard object collisions. The aim was to investigate inconclusive aspects of hard inserts, nylon nets and air spaces as reinforcements in the anterior region and the protection qualities of ethylene vinyl acetate (EVA). MATERIALS AND METHODS: Five different mouthguards with a labial thickness between 2 mm and 11 mm made of materials of varying stiffness were investigated...
February 23, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28231409/lip-and-tooth-injuries-at-public-swimming-pools-in-austria
#16
Katharina Lechner, Thomas Connert, Sebastian Kühl, Andreas Filippi
BACKGROUND/AIM: There is an increased risk of orofacial injuries in swimming pool facilities. Nevertheless, only a few studies have addressed this issue. The aim of this study was to identify the frequency of lip and tooth injuries at public swimming pools in Austria. A further aim was to examine which gender and age groups were affected, where and why these injuries occurred, and whether pool attendants had sufficient knowledge of dental first aid measures. MATERIAL AND METHODS: A total of 764 pool attendants in Austria were contacted by telephone and 689 participated in the study (90...
February 23, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28208234/the-influence-of-traumatic-occlusion-on-the-repair-process-for-teeth-following-subluxation
#17
Marina Fuzette Amaral, Caio Vinicius Lourenço Debortoli, Wilson Roberto Poi, Sônia Regina Panzarini, Daniela Atili Brandini
BACKGROUND/AIM: Traumatic occlusion can cause morphofunctional alterations that interfere in the homeostasis of the periodontium The aim of this study was to assess the influence of traumatic occlusion (TO) on the periodontal repair process for teeth following subluxation. MATERIALS AND METHODS: Ninety Wistar rats aged 12 weeks were divided into three groups: control (C), subluxation (S) and subluxation with traumatic occlusion (S+TO). Subluxation was created with an impact force of 900 cN applied by a tensiometer and TO was created with a direct composite resin filling...
February 16, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28190302/adhesives-based-on-butyl-cyanoacrylate-for-fixation-of-autologous-bone-grafts
#18
Eduardo Hochuli-Vieira, Ana Carolina Basso Engler Pinto, Valfrido Antonio Pereira-Filho, Sybele Saska, Marcelo Silva Monnazzi
BACKGROUND/AIM: Injuries to bone during trauma may require bone grafts and/or fixation to ensure optimal healing. Autologous bone grafts are still very common but little data exists regarding the most effective means of fixation of such grafts. The aim of this study was to compare the fixation of autologous bone grafts with titanium screws and adhesives based on n-butyl cyanoacrylate. MATERIAL AND METHODS: Twenty adult rabbits were used. In group I, the graft was fixed with titanium screws (in one side of the animal head), while in group II and III (in other spots in the same animal head), the graft was fixed with adhesive Tissuacryl (®) and Histoacryl (®) respectively...
February 11, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28190286/characterization-of-mouthguards-impact-performance
#19
Sandra Guérard, Jean-Luc Barou, Julien Petit, Philippe Poisson
BACKGROUND/AIM: It is difficult to characterize the impact behavior of mouthguards on the basis of their components. Impact behavior tests should be performed on mouthguard formed to simulate their intra-oral performance. The aim of this study was to compare the impact behavior of six models of mouthguards using a standardized experimental protocol. MATERIAL AND METHODS: Four commercially available mouth-formed mouthguards (SDI™, Gel Nano™, Opro Shield Gold™ and Kipsta R300™), one mouth-formed mouthguard prototype and one custom-made mouthguard were tested...
February 11, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28186694/pattern-of-oral-maxillofacial-trauma-from-violence-against-women-and-its-associated-factors
#20
Lorena Marques da Nóbrega, Ítalo de Macedo Bernardino, Kevan Guilherme Nóbrega Barbosa, Jéssica Antoniana Lira E Silva, Andreza Cristina de Lima Targino Massoni, Sérgio d'Avila
BACKGROUND/AIM: Violence against women is a global public health problem. The aim of this study was to characterize the profile of women victims of violence and identify factors associated with maxillofacial injuries. MATERIAL AND METHODS: A cross-sectional study was performed based on an evaluation of 884 medico-legal and social records of women victims of physical aggression treated at the Center of Forensic Medicine and Dentistry in Brazil. The variables investigated were related to the socio-demographic characteristics of victims, circumstances of aggressions, and patterns of trauma...
February 10, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
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