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Pregled bibliografske jedinice broj: 774502


Autori: Cavrić, Jelena; Vodanović, Marin; Marušić, Ana; Galić, Ivan
Naslov: Time of mineralization of permanent teeth in children and adolescents in Gaborone, Botswana
Izvornik: Annals of anatomy (0940-9602) 203 (2016), si; 24-32
Vrsta rada: članak
Ključne riječi: Permanent teeth ; Third molars ; Dental mineralization ; Botswana ; Demirjian method
The mineralization sequence of permanent dentition can be used to assess the stage of development and age of individuals. The most commonly used methods are based on the assessment of developmental stages of target groups of teeth on one side of the lower jaw. When compared with the rest of the world, fewer studies have been done on dental age in Sub- Saharan Africa, particularly in the region of Southern Africa. The aim of this study was to determine the chronology of mineralization of permanent teeth by the evaluation of developmental stages according to the Demirjian's method from 1973 and to evaluate dental age by using sex- specific self-weighted scores for dental stages and 50th percentile conversion tables of total maturity scores of seven mandibular teeth. We used a sample of panoramic radiographs (OPTs) of black African children and adolescents from the city of Gaborone, Botswana, with the aim of forming an appropriate sample to evaluate the development of the teeth in this socio- geographic environment. The final sample consisted of 1760 OPTs (807 males and 953 females) of individuals aged 6–23 years. The developmental stages of the all permanent teeth in the left side of the maxilla and the mandible were evaluated. Comparing the maxilla and the mandible, we found similar development within different stages for most of the teeth. In comparison to the average age at each stage of development, including the third molars between males and females, it is evident that females are slightly faster in developing permanent teeth, but without statistical significance for most of the developmental stages. Applying 50th percentile conversion tables for calculating the dental age for the first seven mandibular teeth, 616 OPTs of the children (299 males and 317 females), aged 6.08–16.80 years, were evaluated and their dental age was calculated. Mean dental age was overestimated in comparison to chronological age by 1.25 ± 1.11 years and 0.72 ± 1.02 years for males and females, respectively (p < 0.001). These findings indicate that Demirjian's method from 1973 is not suitable for routine use and that there is a need for establishing specific standards for Botswana children of black African origin for dental age estimation.
Izvorni jezik: ENG
Current Contents: DA
Citation Index: DA
Kategorija: Znanstveni
Znanstvena područja:
Puni text rada: 774502.2016_RAD_CC_AA_-_Cavric_-_Time_of.pdf (tekst priložen 4. Vel. 2016. u 14:32 sati)
Tiskani medij: da
URL Internet adrese:
Broj citata:
DOI: 10.1016/j.aanat.2015.08.001
Google Scholar: Time of mineralization of permanent teeth in children and adolescents in Gaborone, Botswana
Upisao u CROSBI: Ivan Galić (, 3. Ruj. 2015. u 12:42 sati
S.I.: Dental Morphology Research - Past meets Present.

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