4.2 Article

Evaluation of Mesiodistal Root Angulation of Permanent Incisors, Canines, and First Pre-Molars by Orthopantomogram Dental Imaging Findings in 296 Children Aged 6-14 Years

Journal

MEDICAL SCIENCE MONITOR
Volume 28, Issue -, Pages -

Publisher

INT SCIENTIFIC INFORMATION, INC
DOI: 10.12659/MSM.937833

Keywords

Dentition; Mixed; Radiography; Dental; Digital; Tooth Eruption

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This study evaluated the mesiodistal root angulation of permanent lateral incisors, canines, and first molars in 296 children aged 6-14 years and found a moderate correlation between the movements of these teeth in boys and girls aged 6-12 years.
Background: Early pre-eruptive inclination changes of the first premolar (FP) and its associative changes with canine (C) inclination are important to predict canine impaction. This study aimed to evaluate the mesiodistal root angulation of permanent lateral incisors (LI), canines, and first molars by orthopantomogram dental imaging in 296 children ages 6-14 years at a single center in India. Material/Methods: The total number of participants was 296, with equal numbers of boys and girls divided into 4 age groups: 6-8 years, 8-10 years, 10-12 years, and 12-14 years. Angles between lateral incisor, erupting canine, and first pre-premolar with midline were measured on an orthopantomogram (dental imaging which includes all the teeth with TMJ). The angle between the erupting C with LI and erupting C with FP was measured. Pearson's correlation was also evaluated between the movement of the erupting canine with lateral incisor and erupting canine with erupting first premolar. Results: There was a significant difference in the angular values of different age groups (P <= 0.05). The movements between LI, C, and FP were moderately correlated boys and girls aged 6-12 years. Conclusions: The findings from this study showed that in boys and girls aged 6-14 years, eruption of the upper canine tooth was synchronized with eruption of the LI and FP.

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