Gabardo Giovana, Maciel José Vinícius Bolognesi, Franco Ademir, de Lima Antonio Adilson Soares, da Costa Thays Regina Ferreira, Fernandes Ângela
Department of Stomatology, Universidade Federa do Paraná, Curitiba, Paraná, Brazil.
Division of Oral Radiology, Faculdade São Leopoldo Mandic, Instituto de Pesquisas São Leopoldo Mandic, Campinas, São Paulo, Brazil.
Spec Care Dentist. 2020 May;40(3):267-272. doi: 10.1111/scd.12456. Epub 2020 Mar 12.
To assess dental maturation in children with amelogenesis imperfecta (AI) and compare their estimated dental age with the age of non-AI children.
Panoramic radiographs of children with (n = 27) and without (n = 54) AI were retrospectively collected in the ratio of 1:2. The former consisted of case group, while the latter figured as control group. Both groups were paired by sex and age (P > .05). Dental maturation was assessed in each radiograph using Demirjian's staging technique and Willems' method. Intra- and interexaminer reproducibility reached >0.8. The mean estimated dental age in subjects with AI was 12.5 ± 2.69 years, while in subjects without AI it was 11.73 ± 2.48 years (P = .21). The comparison of mean chronological (12.26 ± 2.6 years) and estimated dental age (12.5 ± 2.69 years) in subjects with AI did not reveal statistically significant differences (P = .38).
This study highlights the similarity of dental maturation between subjects with and without AI from the radiographic perspective of crown-root formation.
评估釉质发育不全（AI）患儿的牙齿成熟度，并将其估计牙龄与非AI患儿的年龄进行比较。
回顾性收集AI患儿（n = 27）和非AI患儿（n = 54）的全景X线片，比例为1:2。前者为病例组，后者为对照组。两组按性别和年龄配对（P > 0.05）。使用德米尔坚分期技术和威廉姆斯方法对每张X线片的牙齿成熟度进行评估。检查者内和检查者间的重复性均>0.8。AI患儿的平均估计牙龄为12.5±2.69岁，而非AI患儿为11.73±2.48岁（P = 0.21）。AI患儿的实际年龄（12.26±2.6岁）与估计牙龄（12.5±2.69岁）的比较未显示出统计学上的显著差异（P = 0.38）。
本研究从牙冠 - 牙根形成的影像学角度突出了AI患儿和非AI患儿牙齿成熟度的相似性。
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