Background And Aim: The use of helmets has been reported to reduce the incidence and severity of head injuries in motorcyclists. However, there remains a significant gap in knowledge regarding the effectiveness of helmets, especially in preventing jaw and tooth injuries.
Patients And Methods: In this retrospective analytical study record, all traffic accidents that occurred continuously from 2017 to 2019 in which the motorcyclists were on at least one side of the collision based on inclusion criteria. Data from injury variables in medical records were merged with data related to helmet use in the trauma registration system in Excel software. Then, the final analysis was performed with STATA software version 14 at a significance level of < 0.05.
Results: In total, 1807 people participated in the study, and 160 (9.37) people used helmets. The incidence rate of jaw and tooth injuries was 86 (5.04%). Logistic regression implied that the odds ratio for helmet use was 0.7, which considering the value of 0.419, shows no significant relationship between wearing helmets and jaw and tooth injuries.
Conclusion: Helmets alone cannot prevent jaw and tooth injuries, and designers should design helmets that protect the head and the jaw and tooth. In prevention programs and campaigns for motorcyclists, every age, gender, job, grade group and marital status are target groups.
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http://dx.doi.org/10.1007/s12663-023-01934-3 | DOI Listing |
Naturwissenschaften
January 2025
Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia Universidade Federal de Santa Maria (CAPPA/UFSM, Rua Maximiliano Vizzotto, 59897230-00, São João do Polêsine, Rio Grande do Sul, Brazil.
Prozostrodontia is a clade of probainognathian cynodonts that exhibit several morphological innovations later inherited by mammals. The earliest representatives of this group have been found in the Upper Triassic deposits of southern Brazil. In this study, we report the discovery of a probainognathian cynodont from the Buriol site (São João do Polêsine, Rio Grande do Sul, Brazil), Hyperodapedon Assemblage Zone (Late Triassic).
View Article and Find Full Text PDFPediatric Health Med Ther
January 2025
Department of Preventive Dental Sciences, Taibah University, College of Dentistry, Al-Madinah Al-Munawwrah, 42353, Saudi Arabia.
Objective: This study aimed to assess the association between sleep bruxism (SB) among children and parental sociodemographic characteristics and SB risk factors (eg, nose obstruction).
Methods: A cross-sectional survey was conducted with 250 parents of children under the age of 13 who visited pediatric dental clinics. Data were collected through a questionnaire completed by parents.
Anat Rec (Hoboken)
January 2025
Instituto de Plasmas e Fusão Nuclear & Centro de Recursos Naturais e Ambiente (CERENA), Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal.
Hypercanines, or hypertrophied canines, are observed in a wide range of both extinct and extant synapsids. In non-mammaliaform cynodonts, the Permo-Triassic forerunners of mammals, long canines are not uncommon, appearing in several unrelated taxa within the clade. Among them is Trucidocynodon riograndensis, a carnivorous ecteniniid cynodont from the Late Triassic of Brazil, which exhibits a specialized dentition, including spear-shaped incisors, very long and narrow canines, and sectorial postcanines with distally oriented cusps, all of which have finely serrated margins.
View Article and Find Full Text PDFJ Oral Facial Pain Headache
December 2024
Department of Medical Biotechnologies, School of Dentistry, University of Siena, 53100 Siena, Italy.
To assess the correlation between awake bruxism (AB) behaviors and psychological status in a group of healthy young adults. Participants were recruited at the University of Siena, Siena, Italy, by advertising the initiative. The reported frequency of AB behaviors was evaluated through the Oral Behavior Checklist (OBC).
View Article and Find Full Text PDFObjectives: To examine tooth root length and root volume in cone beam computed tomography (CBCT) images in patients with skeletal Class II and III anomalies who have undergone single-jaw (SJ) and double-jaw (DJ) orthognathic surgery, and to compare the changes between jaws with and without osteotomy.
Materials And Methods: This study was conducted on the archive records of a total of 60 adults: 36 women and 24 men with an average age of 21.1 ± 3.
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