Can Manual Dexterity Tests Predict Dental Students' Pre-Clinical Skills?

Published 16 October 2026
Reviewed by Dr. Advaitha Anand, BDS MDS (Conservative Dentistry & Endodontics)

Dental school admissions often involve multiple steps, including interviews and practical evaluations. Among these, manual dexterity tests (MDT)—assessments that measure psychomotor ability, or physical coordination and fine motor skills, through a series of hands-on tasks—have a long history of use. However, their exact value in predicting how well a student will perform in practical training has remained somewhat unclear.

A commentary published in October 2026 examined the relationship between admission test scores and the pre-clinical technique performance of dental students.

What the Study Examined

Researchers looked at data from 363 dental students at the National University of Singapore between 2017 and 2022. The admissions process at this institution combines manual dexterity assessments with multiple mini-interviews. The study specifically compared the students’ scores on their manual dexterity admission tests with their percentile-normalised pre-clinical technique scores in Paediatric Dentistry.

What the Researchers Found

The analysis revealed a statistically significant positive correlation between manual dexterity test performance and pre-clinical technique scores (tau = 0.180, with a range of 0.145 to 0.304).

This finding suggests that tests evaluating physical coordination and fine motor tasks may indeed capture relevant psychomotor abilities that translate into subsequent pre-clinical training performance.

Understanding the Limitations

While the results show a measurable association, the authors of the commentary noted important boundaries to keep in mind:

Study Type: This was a commentary and data analysis of a specific student group at a single institution, rather than a broad trial across multiple universities.
Correlation, Not a Guarantee: The findings show a statistical correlation, meaning these tests indicate a general trend in readiness rather than guaranteeing a student’s exact future clinical success.
Not a Stand-Alone Tool: The researchers emphasize that manual dexterity tests should not be used by themselves as the sole admission criterion. Instead, they function best when used alongside other evaluation methods as an indicator of a candidate’s readiness for hands-on training.

What This Means for Patients

For patients visiting a dental clinic, this research offers a behind-the-scenes look at how dental professionals are selected and trained. Dentistry requires a high degree of physical precision and fine motor control. Studies exploring how training programs evaluate these skills help institutions refine their admissions processes, ensuring that future practitioners possess the foundational dexterity required for detailed dental procedures.