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    Accuracy of age estimation with Demirjian and Nolla methods in Eastern Turkish children aged 3-17 years old
    (Istanbul Univ Press, Istanbul Univ Rectorate, 2022) Duruk, Gulsum; Ozdal, Tamara Pelin Gundogdu; Duman, Sacide
    Purpose Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. This study aimed to determine how accurate it was to estimate the chronological age by looking at the dental age measured with the Nolla and Demirjian methods in a Turkish sample, based on the variables of gender and age-group. Materials and Methods A retrospective study was performed on panoramic radiographs of 1587 subjects (774 females and 813 males), aged 3-17 years. The mean dental age according to the Demirjian and Nolla methods were compared to the mean chronological age (CA). Also, the percentage value of prediction of CA was determined by using the both methods. Results An under-estimation of the chronological age was observed by using Nolla's method (males-0.003, females-0.32, both-0.16) and an over-estimation of the dental age was observed by using Demirjian's method (males 0.61, females 0.75, both 0.68). Conclusion Nolla's method was more accurate in the CA estimation than Demirjian's method in Eastern Turkish population.
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    Knowledge and attitudes about emergency management of avulsed teeth among primary and secondary school teachers in Malatya, Turkey
    (Kerman Univ Medical Sciences, 2022) Duruk, Gulsum; Ozdal, Tamara Pelin Gundogdu
    Background and Aim: Dental trauma is highly frequent in children during school time and school teachers are often the first witnesses of the incident. This cross-sectional study aimed to assess the knowledge of school teachers about dental avulsion and its management. Methods: This cross-sectional questionnaire study was conducted on 782 primary and secondary school teachers in Malatya, Turkey. The questionnaire included three sections assessing (i) demographic characteristics, (ii), knowledge and attitudes about emergency management of avulsed permanent teeth, and (iii) teachers' perspective on dental trauma education and self-evaluation of dental trauma knowledge. The correct answer scores were calculated according to section 2 (6 questions-17 items). Data were analyzed using Mann-Whitney U test, Kruskal-Wallis test, and multiple linear regression analysis. Results: The correct answer score was calculated out of 17; the highest score was 13 and the mean score was 8.5. The level of knowledge on emergency management of avulsed teeth was higher among the teachers who had previously been trained on the subject. Conclusion: The knowledge of Turkish school teachers about emergency management of avulsed teeth is limited. The findings obtained in this study indicated that an educational strategy for teachers is strongly required.