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Dental Traumatology: Official Publication of International Association for Dental Traumatology

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https://www.readbyqxmd.com/read/27900824/mandibular-angle-fractures-a-comparative-study-between-one-and-two-plate-fixation
#1
Marcelo Silva Monnazzi, Marisa Ap Cabrini Gabrielli, Mário Francisco Real Gabrielli, Alexandre Elias Trivellato
BACKGROUND/AIM: The mandibular angle fracture is a challenging fracture to manage. Over time, the literature has shown many types of treatment modalities and different kinds of internal fixation. The aim of this study was to evaluate the outcomes and complications of mandibular angle fractures managed by Champy's technique and two-plate fixation, over a period of 20 years. MATERIAL AND METHODS: The files of 149 patients with 155 angle fractures fulfilled the inclusion criteria and were chosen for this study...
November 7, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27748049/the-adhd-model-for-traumatic-dental-injuries-a-critical-review-and-update-of-the-last-10-years
#2
Osman Sabuncuoglu, Mustafa Yasin Irmak
It has been more than 10 years since the proposal of attention deficit/hyperactivity disorder (ADHD) model as an explanatory construct for traumatic dental injuries (TDIs) in children. The aim of this review was to address developments in the study of the issue after 2005 to 2016. A systematic literature search covering the period from 2005 to 2016 was conducted on PubMed, the Cochrane library and Google Scholar using relevant keywords. Fourteen studies exploring the relationship between ADHD and TDIs from 2005 and onwards (including the proposal paper) were identified...
October 17, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27748036/effects-of-diode-laser-irradiation-and-fibroblast-growth-factor-on-periodontal-healing-of-replanted-teeth-after-extended-extra-oral-dry-time
#3
Erica Dos Santos Carvalho, Rogério Hadid Rosa, Flávia de Moura Pereira, Ana Lia Anbinder, Isabel Mello, Sandra Marcia Habitante, Denise Pontes Raldi
The search for effective protocols to reduce the incidence of root resorptions and allow periodontal ligament repair is still challenging, given the unpredictable outcome of late tooth replantation. The aim of this study was to assess the effects of both high-power diode laser irradiation (DL) and basic fibroblast growth factor (FGF) on the periodontal healing of replanted teeth after extended extra-oral dry time METHODS: Maxillary incisors of 50 male rats were extracted and assigned to three experimental and two control groups (n = 10)...
October 17, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27687583/endodontic-repair-in-immature-dogs-teeth-with-apical-periodontitis-blood-clot-versus-plasma-rich-in-growth-factors-scaffold
#4
Omid Dianat, Fatemeh Mashhadi Abas, Payam Paymanpour, Mohammad Jafar Eghbal, Sahar Haddadpour, Nazanin Bahrololumi
BACKGROUND/AIM: Different types of scaffolds have been suggested for endodontic repair procedures. The aim of this study was to compare the outcome of procedures using blood clot versus plasma rich in growth factors (PRGF) scaffold in immature teeth with apical periodontitis in dogs. MATERIALS AND METHODS: In this in vivo animal study, 20 teeth (30 canals) with open apices were divided into two groups (n = 12): (1) blood clot and (2) PRGF. Two positive and negative control groups were also selected randomly...
September 30, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27681036/drill-related-root-injury-caused-by-intraoperative-intermaxillary-fixation-an-analysis-of-1067-screw-applications
#5
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/27425371/impalement-of-an-unusual-foreign-body-on-the-temporomandibular-joint-causing-severe-trismus
#6
Ryohei Ito, Kosei Kubota, Ken Furudate, Hiroshi Nakagawa, Takao Kon, Yoshihiro Tamura, Wataru Kobayashi
A penetrating injury by a foreign body is comparatively common in the oral and maxillofacial region. On the other hand, injury to the temporomandibular joint (TMJ) by a foreign object is very rare. The TMJ is an anatomically narrow space surrounded by hard bony processes. An unusual case of trauma with severe trismus caused by a foreign body that impaled the TMJ is reported. A 55-year-old man presented with a 5 × 1-cm laceration to the right cheek caused by a flying object propelled during the use of a lawn mower...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27397639/cvek-pulpotomy-revisited
#7
REVIEW
Enrique Bimstein, Ilan Rotstein
BACKGROUND/AIM: While some studies support the notion that the time elapsed from coronal fracture and treatment with Cvek pulpotomy in permanent teeth plays an important role in minimizing the possibility of pain and discomfort, microbial pulp invasion, and ensuring pulp and periodontal healing, others consider that neither time between the accident and treatment nor size of exposure is critical if the inflamed superficial pulp tissue is amputated to the level of a healthy pulp. This study compares published data in an attempt to assess whether the outcome of Cvek pulpotomies is affected by these factors...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27397548/blood-concentration-of-prilocaine-and-lidocaine-after-the-use-of-topical-anesthesia-oraqix-%C3%A2-in-lacerated-wounds
#8
Ala Al-Musawi, Kamal Matar, Samuel Kombian, Lars Andersson
BACKGROUND/AIM: Soft tissue injuries have been reported as being sutured using only topical anesthesia applied in the laceration wound. The objective of this study was to assess the pharmacokinetic profile of components of Oraqix(®) (2.5% prilocaine and 2.5% lidocaine) when applied in a laceration as compared to intact skin application in the mouse. MATERIALS AND METHODS: A total of 200 BALB/c male mice were used in this study. The mice were divided into three groups: group A: shaved and laceration group (80 mice); B: shaved and intact skin group (80 mice); and C: control group (shaved, no treatment; 40 mice) which underwent the same procedures but without application of Oraqix(®) ...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27381406/the-preservative-effect-of-thai-propolis-extract-on-the-viability-of-human-periodontal-ligament-cells
#9
Attaporn Prueksakorn, Subin Puasiri, Supanigar Ruangsri, Anupong Makeudom, Thanapat Sastraruji, Suttichai Krisanaprakornkit, Pattama Chailertvanitkul
BACKGROUND/AIM: Tooth avulsion causes an injury to the periodontal ligament (PDL). The success of tooth replantation depends on the quantity and quality of PDL cells. The aim of this study was to examine the preservative and proliferative effects of Thai propolis extract, previously shown to exert anti-inflammatory and antioxidant activities, on human PDL cells. MATERIALS AND METHODS: Ninety-six premolars were left to air dry for 30 min and stored in Hank's balanced salt solution (HBSS), milk, or various concentrations of propolis extract from 0...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27245692/study-of-the-causes-of-facial-fractures-in-a-reference-center-in-rio-de-janeiro-brazil-from-2003-2012
#10
Renan de Barros Farneze, Maria Luiza Prosdocimo, Ana Paula Nogueira, Maria Aparecida Cavalcante, Wagner Hespanhol, Tais Fernandes Teixeira, Estela Maria Cesarino Valdetaro, Lucio Souza Gonçalves, Dennis de Carvalho Ferreira
OBJECTIVE: This study describes the facial fractures of patients at a reference center in oral and maxillofacial surgery of a Public University Hospital in the city of Rio de Janeiro, from January 2003 to December 2012. METHODS: The data were collected from medical records and included the fractured bones, etiology, gender, and age of the patients. A total of 202 cases were identified, and 159 were included in the study (129 men and 30 women). RESULTS: The mandible was the most commonly injured bone (90 cases, 73 men and 17 women) with a mean age of 33...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27242245/evaluation-of-laser-phototherapy-%C3%AE-780-nm-after-dental-replantation-in-rats
#11
Fabíola Bastos de Carvalho, Aline Silva Andrade, Artur Felipe Dos Santos Barbosa, Márcio Cajazeira Aguiar, Maria Cristina Teixeira Cangussu, Antônio Luiz Barbosa Pinheiro, Luciana Maria Pedreira Ramalho
BACKGROUND/AIM: Tooth replantation is the treatment of choice in cases of avulsion although the outcomes are variable. The teeth can be lost due to external root resorption. The aim of this study was to histologically assess of the effect of laser phototherapy (λ780 nm) on replanted teeth in rats. MATERIAL AND METHODS: Sixty Wistar Albinus rats had their maxillary right incisors extracted and were then divided into four groups: G1-absence of storage medium; G2-milk as storage medium; G3-milk as storage medium followed by a laser irradiation of the root surfaces and entrance of the alveolus (λ = 780 nm; P = 70 mW; CW; DE = 21 J/cm(2) ); G4-milk as storage medium, laser irradiation as in G3 before replantation...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27242101/incidence-of-crown-fracture-and-risk-factors-in-the-primary-dentition-a-prospective-longitudinal-study
#12
Patrícia Corrêa-Faria, Saul Martins Paiva, Maria Letícia Ramos-Jorge, Isabela Almeida Pordeus
BACKGROUND/AIM: Few studies have assessed the incidence and risk factors to crown fractures in preschool children. The aim of this study was to estimate the incidence of crown fracture in the primary dentition over a 1-year follow-up period, identify risk factors, and test the hypothesis that children with previous crown fracture are more prone to experience further cases of crown fracture independently of other risk factors. MATERIALS AND METHODS: This study was developed in two phases: cross-sectional and prospective longitudinal study...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27241941/an-experimental-model-for-studies-on-delayed-tooth-replantation-and-ankylosis-in-rabbits
#13
Manal Maslamani, Ala Almusawi, Bobby Joseph, Severino Gabato, Lars Andersson
AIM: To develop an experimental in vivo model to study dentoalveolar ankylosis and osseous replacement resorption after delayed replantation. MATERIALS AND METHODS: The maxillary right incisors of eight rabbits were extracted and replanted, while the maxillary left incisors served as controls. A special technique for extraction was used, luxating the incisor laterally prior to extraction. Extra-oral root canal treatment was performed. In four of the eight replanted teeth, periodontal ligament was removed using gauze...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27188429/in-vitro-assessment-of-the-tooth-staining-potential-of-endodontic-materials-in-a-bovine-tooth-model
#14
Christian A Dettwiler, Mirella Walter, Lucia K Zaugg, Patrik Lenherr, Roland Weiger, Gabriel Krastl
BACKGROUND/AIMS: Traumatized teeth requiring endodontic intervention may discolor as a result of the treatment performed. Thus, the aim was to investigate the discoloration potential of different endodontic cements, dressings, and irrigants used in dental traumatology. MATERIALS AND METHODS: Cylindrical cavities were prepared in 330 bovine enamel-dentine blocks (10 × 10 × 3.5 mm), leaving 2 mm of enamel and dentine on the labial side. The specimens were randomly assigned to 22 groups (n = 15)...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27140525/risk-factors-for-traumatic-dental-injuries-in-the-primary-dentition-concepts-interpretation-and-evidence
#15
Carlos Alberto Feldens, Tássia Silvana Borges, Fabiana Vargas-Ferreira, Paulo Floriani Kramer
The purpose of this comprehensive review is to explore the main concepts related to quantification and interpretation of risk factors and investigate characteristics associated with traumatic dental injuries (TDI) in the primary dentition. Initially, the main concepts related to causality and risk factors were summarized, including how to measure, express, and compare risk as well as interpret statistical significance. Based on a structured search through PubMed, original research articles regarding TDI and associated factors in the primary dentition were then reviewed by two examiners...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27140068/a-poster-and-a-mobile-healthcare-application-as-information-tools-for-dental-trauma-management
#16
Marian Iskander, Jennifer Lou, Martha Wells, Mark Scarbecz
BACKGROUND/AIMS: Prompt management of dental trauma in children affects outcomes, and multiple educational resources are available. The aim of this study was to compare subjects' accuracy in answering a survey about dental trauma management utilizing a poster and a mobile healthcare application and to determine user preference for mode of delivery of information. MATERIALS AND METHODS: A survey was administered to parents of patients in two pediatric dental practices...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27126959/non-suicidal-self-injury-resulting-in-dental-trauma-in-an-adolescent
#17
Preetika Chandna, Nikhil Srivastava, Vivek Kumar Adlakha, Prerna Panthri
BACKGROUND/AIM: Non-suicidal self injury may be a possible etiologic factor for dental trauma in adolescents. The aim of this case report is to present a case of non-suicidal self injury resulting in dental trauma in a 16 year old adolescent boy. CASE REPORT: This report illustrates a case of non-suicidal self injury in a 16 year old healthy boy with resultant trauma to the maxillary central incisors and the left lateral incisor (teeth 11, 21, and 22). Three tests were applied; Wechsler Abbreviated Scale of Intelligence(™) (WASI), Inventory of Statements about Self Injury (ISAS), and UPPS Impulsive Behavior Scale (UPPS); to assess the patient's intellectual and behavioral functioning...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27126657/difference-among-shock-absorbing-capabilities-of-mouthguard-materials
#18
Shintaro Fukasawa, Hiroshi Churei, Ruman Uddin Chowdhury, Takahiro Shirako, Sharika Shahrin, Abhishekhi Shrestha, Takahiro Wada, Motohiro Uo, Hidekazu Takahashi, Toshiaki Ueno
PURPOSE: The purpose of this study was to investigate the shock absorption capability of commercial thermoforming mouthguard sheet materials. MATERIALS AND METHODS: Twelve commercial thermoforming mouthguard sheet materials were selected as test materials. The impact test was applied by a free-falling steel ball. When impact forces of approximately 660 N were applied on the commercial thermoforming mouthguard materials, the peak intensities were measured using the load cell sensor...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27059860/influence-of-working-model-position-on-the-formation-of-a-pressure-formed-mouthguard
#19
Fumi Mizuhashi, Kaoru Koide, Ryo Mizuhashi
AIM: The aim of this study was to examine the influence of the position of the working model on the formation of a pressure-formed mouthguard. MATERIALS AND METHODS: Mouthguard sheets of 3.8 mm ethylene vinyl acetate were pressure-formed on working models in three positions: anterior, central, and posterior. The thickness of the mouthguard was measured at the labial surface of the central incisor and the buccal and occlusal surfaces of the first molar. Differences in the thickness of the mouthguards were analyzed by two-way analysis of variance...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27059759/optimal-heating-condition-of-mouthguard-sheet-in-vacuum-pressure-formation-part-3-styrene-based-thermoplastic-elastomer
#20
Mutsumi Takahashi, Yoshihide Satoh, Shin-Ichi Iwasaki
BACKGROUND: The aim of this study was to identify suitable heating conditions of polyolefin-polystyrene co-polymer sheets in vacuum-pressure formation, monitor the sheet temperature during molding, and examine the thickness of the fabricated mouthguard. MATERIALS AND METHODS: Mouthguards were fabricated with polyolefin-polystyrene co-polymer sheets (4.0-mm thick) utilizing a vacuum/pressure-forming device, which was subjected to vacuum forming for 10 s and pressure molding for 2 min...
December 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
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