Related Experiment Video
Updated: Jun 22, 2025
07:32
Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
Published on: February 23, 2024
1.1K
The effect of birth weight on tooth development by Demirjian's method
Yasaman Bozorgnia1, Shahin Mafinejad2, Sonia Dokohaki3
1Department of Orthodontics, North Khorasan University of Medical Sciences, Bojnurd, Iran.
Clinical Oral Investigations
|July 4, 2024
Summary
Birth weight did not significantly impact tooth development in children aged 7-8 years. This study found no statistical difference in dental age between normal, low, and very low birth weight groups.
Area of Science:
- Pediatric Dentistry
- Human Growth and Development
- Dental Anthropology
Background:
- Birth weight is a critical indicator of neonatal health and development.
- Variations in birth weight, including low birth weight (LBW) and very low birth weight (VLBW), may potentially influence various physiological processes, including dental maturation.
- Understanding these influences is crucial for pediatric health assessments.
Purpose of the Study:
- To investigate the relationship between birth weight categories (Normal Birth Weight, Low Birth Weight, Very Low Birth Weight) and tooth development in children.
- To compare dental age with chronological age across different birth weight groups in 7-8-year-old children.
Main Methods:
- A retrospective cohort study involving 75 children aged 7-8 years.
- Children were classified into Normal Birth Weight (NBW), Low Birth Weight (LBW), and Very Low Birth Weight (VLBW) groups.
- Dental age was assessed using Demirjian's 8-teeth method on panoramic radiographs, and compared to chronological age using One-way ANOVA and chi-square tests.
Main Results:
- The mean difference between dental and chronological age was slightly higher in VLBW (0.22 years) and LBW (0.19 years) groups compared to the NBW group (0.08 years).
- This trend of decreasing age difference with increasing birth weight was not statistically significant (P=0.55).
- No significant differences in tooth development were found between the birth weight groups (P=0.529) or genders (P=0.191).
Conclusions:
- Birth weight, within the studied categories, does not appear to be a significant determinant of tooth development in children aged 7-8 years.
- The findings suggest that other factors may play a more prominent role in dental maturation during this age range.
- Further research with larger cohorts and diverse populations is warranted to explore potential subtle effects or long-term impacts.
Related Concept Videos
01:15Teeth
373
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
373
01:21Tooth Anatomy
422
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
422