In this chapter, epidemiology of dental trauma will be discussed in terms of its incidence and prevalence among primary and permanent dentition. Dental trauma causes and its distribution in accordance with age and sex will be highlighted. Classification of dental trauma based on soft and hard tissue injuries will be outlined, and subsequently, clinical examination and diagnosis will be featured. Treatment modalities and variations between permanent and primary dentition will be discussed along with the new treatment era namely regenerative approach and decoronation. Splints, techniques, and follow-up routines will also be discussed. Last but not least, prevention of dental trauma will be discussed.
Background/Aims There is a lack of information about the incidence of dental trauma in Turkish children with disabilities and those in detention centers. The aim of this study was to investigate the occurrence of dental trauma in two groups estimated to have high‐potential risk, young prisoners and disabled children, compared with healthy peers. Materials and methods A total of 530 children were included in the study. The participants were divided into three groups: Disability Group (n=238), Imprisoned Children Group (n=231) and school children (n=61) as the Control Group. The occurrence of dental trauma was evaluated according to age and gender. Statistical evaluations were done by using SPSS statistics‐22 programme. Results The mean age of all participants was 14.85 ± 3.43 years. Males predominated (75.8%). In the Imprisoned Children Group, not only maxillary and mandibular incisors but also canines had dental trauma. Time of imprisonment and education level did not have any significant effect on dental trauma occurrence among children in detention centers. In the Disability Group, the disability type did not have any significant effect. In the Control Group, maxillary central incisors were the most traumatized teeth. The incidence of dental trauma was 11.3% in the Imprisoned Children Group, 4.6% in the Disability Group, and 9.8% in the Control Group. There was a significant difference among the three groups (p:0.027; p<0.05). Conclusion Dental trauma incidence may differ among disabled, imprisoned, and healthy children. Hence, children from different parts of the community should be included in epidemiological studies to provide a more accurate incidence of dental trauma.
Coronavirus (COVID-19) is an enveloped RNA virus with a size of ~350 kilobase-pair and COVID-19 is commonly transmitted via aerosols, saliva, nasal droplets, and surface contact which causes severe acute respiratory tract infection among infected humans, and recently many cases declared with severe blood clotting. The average incubation period ranges from 4 to 14 days. The infected person usually presents fever accompanying an upper respiratory tract infection (RTI) and complaints of dry cough, and dyspnea. It is highly recommended to keep any suspected individuals in quarantine (isolation). After its first emergence in Wuhan, China in 2019 and then intercontinental spread it was declared as a pandemic by the World Health Organization in March 2020. The pandemic of COVID-19 deeply affected the whole world and healthcare workers as front liners are most at risk among professional groups. Dentistry is among the riskiest occupational groups that include all direct and indirect ways of COVID-19 spread. In this process, the dentists who experienced the effects of COVID-19 in the working conditions, economy, and social fields were psychologically negatively affected, and their anxiety, fear, and stress levels increased. In this review, we discuss the increased risk of the spread of coronavirus during dental operative procedures and the effects of the COVID-19 pandemic on the anxiety level, depression, and mental health of dental professionals.
Objective The aim was to clarify the physical properties of five different root canal sealers used as retrograde filling materials on the resected root apex following apicoectomies.Materials and Methods Apical resection was performed on 100 canals of 50 maxillary premolars in slaughtered pigs. The root end of 24 canals were retrogradely filled with Diaket ™, 37 root canals with Super-EBA ™ including 18 with Super-EBA ™ Regular and 19 with Super-EBA ™ fast, 20 canals with ProRoot® MTA and 19 canals with AH-Plus ™. For quantitative examination, scanning electron microscope (SEM) analysis and for qualitative examination microradiography was performed.Results Diaket ™ achieved the best results with an overall average of 4.872 microns gap value. The mean values of marginal gap widths of AH - Plus ™ and Super - EBA ™ were almost the same magnitude 8.044 microns and 9.951 microns respectively, followed by Super - EBA ™ Regular with 11,560 microns. Highest marginal gap value was detected in ProRoot® MTA with 18.343 microns (p < 0.001) .Conclusion According to the limited knowledge of the current in vitro study Diaket ™ achieved the best results compared to the other materials. Additional clinical studies with long term follow up period might help to determine the most appropriate root-end filling material.Clinical Relevance Among five different root canal sealers used as retrograde filling materials, in terms of its marginal integrity and material properties, Diaket ™ can be referred as the most suitable material for retrograde obturation.
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