University of Khartoum

Eruption Time of Permanent Teeth in Children and Young Adolescents In Khartoum state

Eruption Time of Permanent Teeth in Children and Young Adolescents In Khartoum state

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Title: Eruption Time of Permanent Teeth in Children and Young Adolescents In Khartoum state
Author: Atitallah, MH; Yahia, NA; Mudawi, AM
Abstract: Background The present study was performed to evaluate eruption times of permanent teethamong Sudanese children. Materials and Methods Multistage random sampling was used to collect data from school children. A total number of 616 pupils (53.25% boys and 46.75% girls) were examined. The study population was divided into 5 age groups, 5 years, 6-7; 8-9; 10-11; 12-13 and 14 years old. Their exact date of birth was obtained from school records and an informed consent was obtained from the parents of each child. Population was divided into governmental and private schools, keeping in consideration that private schools population comprised 10% of the target sample size population only. The subjects were examined using a sterilized mouth mirror and probe under adequate illumination for the eruption of permanent teeth. The data were subjected to regression analysis. Results A total of 616 children, 46.75% girls and 53.25% boys, were examined. The mean age of females was 9.31±2.64 SD years, and the mean age of males was 9.28± 2.83 (SD years. The median age of eruption of each tooth was earlier in girls than in boys. Although the range of years during which the permanent teeth erupted was similar in both gender, i.e. 6–12 years. All mandibular teeth tend to erupt earlier than their maxillary counterparts the only exception is upper second premolar in females and second permanent molar in males. Conclusion Parallel to earlier reports on different ethnic groups, the results of this study indicate that the permanent teeth of Sudanese children erupt earlier in girls than in boys, and the mandibular teeth erupt earlier than the corresponding maxillary teeth. The findings seem to correspond to earlier studies done in other parts of the world.
URI: http://khartoumspace.uofk.edu/handle/123456789/19546
Date: 2015


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