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Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

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A population-based survey on interarch malocclusion and background determinants.

Mohsen Shirazi¹, Mahsa Mortazavi¹, Yasamin Farajzadeh Jalali²

¹Department of Orthodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.

Journal of Clinical and Translational Research

|January 23, 2023

Summary

Most school-aged children in Tehran have malocclusion, with ethnicity and residence influencing dental relationships. Early detection of these interarch problems is key for prevention.

Keywords:

Malocclusion Mixed dentition Preventive orthodontics Skeleto-dental anomalies

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Area of Science:

Orthodontics
Pediatric Dentistry
Public Health

Background:

Malocclusion prevalence is influenced by genetics, environment, and ethnicity.
Interarch problems in children require investigation into contributing factors.

Purpose of the Study:

To determine the prevalence of interarch problems in Tehran school children aged 9-11.
To describe the influence of ethnicity, education, and economic status on these issues.

Main Methods:

Data from the Comprehensive Evaluation of Skeleto-Dental Anomalies (CESDA) study in Tehran, 2015.
Cluster random sampling of 1429 children (9-11 years old) from 19 districts.
Statistical analysis using Chi-square and binary logistic regression.

Main Results:

Only 10% of children had ideal interarch relationships; most had at least one problem.
Ethnicity and place of residence were significant determinants of molar relationships.
Gender and residence significantly impacted anteroposterior, vertical, horizontal, and interarch relationships (P < 0.002).

Conclusions:

The majority of 9-11-year-old children in Tehran exhibit interarch problems.
Early detection and intervention are crucial for preventing advanced orthodontic anomalies.