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Teeth01:15

Teeth

281
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...
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Tooth Anatomy01:21

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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...
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Updated: May 23, 2025

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Relationship Between Smartphone Use and Traumatic Tooth Fractures in Korean Adolescents.

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Increased smartphone use is linked to a higher risk of traumatic dental injuries (TDIs) in Korean adolescents. This study highlights the potential impact of excessive screen time on adolescent oral health and safety.

Keywords:
adolescentcrown fracturesmartphonetraumatic dental injury

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Area of Science:

  • Adolescent Health
  • Dental Traumatology
  • Public Health

Background:

  • Adolescent smartphone addiction is a growing concern, potentially leading to reduced attention spans.
  • This reduced attention may increase susceptibility to traumatic dental injuries (TDIs).

Purpose of the Study:

  • To investigate the association between smartphone usage patterns and the occurrence of TDIs in Korean adolescents.
  • To quantify the risk of tooth fractures related to varying levels of weekly smartphone use.

Main Methods:

  • Utilized data from the 2023 Korea Youth Risk Behavior Survey, encompassing 52,875 adolescents.
  • Collected and analyzed data on demographics, weekly smartphone use, exercise frequency, and past-year tooth fracture history.
  • Employed logistic regression analysis to determine the correlation between smartphone use duration and tooth fracture risk.

Main Results:

  • Mean weekly smartphone use was 2146.91 ± 1276.60 minutes.
  • Tooth fracture prevalence increased with higher smartphone usage: 9.3% (extremely low users) to 13.6% (extremely excessive users).
  • Higher smartphone usage significantly correlated with an increased risk of tooth fracture.

Conclusions:

  • Increased smartphone use is associated with higher rates of tooth fracture among Korean adolescents.
  • Findings suggest a potential role for excessive smartphone use in contributing to traumatic dental injuries.
  • Highlights the need for awareness and potential interventions regarding adolescent screen time and injury prevention.