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Tooth wear patterns in the deciduous dentition.

John J Warren1, Takuro Yonezu, Samir E Bishara

  • 1College of Dentistry, University of Iowa, N-337 Dental Science Building, Iowa City, IA 52242-1010, USA. john-warren@uiowa.edu

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|December 20, 2002
PubMed
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Mild tooth wear is common in children, but severe wear is linked to specific bite issues, not diet. Early identification of these occlusal factors may benefit long-term dental health.

Area of Science:

  • Pediatric Dentistry
  • Dental Morphology
  • Epidemiology

Background:

  • Tooth wear is prevalent in primary (deciduous) teeth.
  • Early identification of tooth wear factors may prevent adult tooth wear.

Purpose of the Study:

  • Describe tooth wear patterns in the deciduous dentition.
  • Correlate tooth wear with occlusal characteristics.
  • Examine relationships between tooth wear and dietary habits.

Main Methods:

  • Longitudinal study of 355 children (4-5 years old).
  • Analysis of dental stone casts for tooth wear severity.
  • Assessment of occlusal characteristics and dietary intake (fruit juice, soft drinks).

Main Results:

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  • All children showed some tooth wear; 16% had severe wear.
  • Tooth wear was more pronounced in the upper (maxillary) arch and front (anterior) teeth.
  • Severe molar wear linked to posterior crossbites; severe incisor wear linked to Class III canine relationships.
  • No significant association found between tooth wear and fruit juice or soft drink consumption.

Conclusions:

  • Mild tooth wear is universal in the deciduous dentition.
  • Severe tooth wear is associated with specific occlusal factors.
  • Dietary patterns investigated did not correlate with tooth wear in this cohort.