Related Experiment Video
Updated: May 2, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
Published on: February 23, 2024
Correlation between permanent tooth eruption pattern and the predominance of the motor function laterality
Ana Veloso-Durán1, Ma Carmen Vazquez-Salceda, Julian López-Jiménez
1Universitat Internacional de Catalunya, Campus Sant Cugat, Sant Cugat del Valles, (Barcelona), Spain, andreup@uic.es.
Objectives:
To asses whether dental eruption order can play a role in the early diagnosis of crossed laterality.
Study Design:
Dental eruption pattern along with eye, ear, hand and foot lateralism were examined on 131 children between 6 to 8 years old from public schools from a multietnic population area of Barcelona city. Statistic methods (Statgraphics Plus 5.1 program) were used to evaluate data recollected.
Results:
Only foot and dentition lateralities behave as independent variables regarding hand laterality. So dental eruption laterality (along with the foot one) would be one of the parameters more related to hand laterality given that dentition variable relationship is greater that the foot one. This suggests that tooth eruption could be more clinically relevant. Crossed laterality hand-foot is significantly more predominant in men (13%) than in women (1,6%). Meanwhile, the relationship between hand and dentition didn't show any influence of sex.
Conclusions:
Dental eruption order, can be used as a good parameter in the determination of the patient's laterality.
Related Concept Videos
Lateralization
Teeth
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...
Tooth Anatomy
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...
Major Somatic Sensory Pathways

