Teeth Numbering Quiz

Build fluency in common tooth numbering systems in about 10 minutes. Get a fast, free snapshot of your knowledge across 16 questions with a clear score band and no sign-up.

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Questions: 1610 minutes

08:30

July 22, 2026

July 22, 2026
Material has been updated

July 22, 2026
Material has been published

3,144 views

285 completions

244 likes

Scale Explorer

How the Scales are Structured

example score

10/16

Teeth Numbering Knowledge (TNK)

Measures how accurately you interpret and convert between Universal, FDI, and Palmer tooth-numbering notations across common scenarios.

Foundations to review

Developing knowledge

Strong knowledge

0 – 6: Foundations to review | 7 – 12: Developing knowledge | 13 – 16: Strong knowledge

A score of 10 indicates developing knowledge, showing solid understanding of core numbering rules with occasional mix-ups between arches, sides, or cross-system equivalents.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Dental students and trainees

41%OF USERS

People in dental school or early clinical training who want quick practice converting between Universal, FDI, and Palmer systems and identifying teeth from chart-style prompts.

Dental assisting and hygiene learners

34%OF USERS

Assistants, hygienists, and their students reviewing tooth identification, primary vs permanent numbering, and common notation used in everyday charting.

Curious patients and educators

25%OF USERS

Patients, parents, or teachers who want to understand dental chart entries and tooth numbering basics for learning or general curiosity.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

Teeth Numbering Knowledge (TNK)

Average

11.8

Normal range

9.2 — 14.4

min.

max.

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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SAMPLE QUESTIONS

Example Questions From the Test

- Maxillary right lateral incisor
- Maxillary left central incisor
- Mandibular right central incisor
- Maxillary right central incisor
- It becomes #1 because numbering shifts forward
- It is left unnumbered because the sequence is incomplete
- It remains #2 because missing teeth do not renumber the dentition
- It becomes #16 to mark the end of the upper arch
- Mandibular right first molar
- Mandibular left first molar
- Mandibular right second molar
- Maxillary right first molar

These are 3 of the 16 real questions — the rest appear in the test. No sign-up needed to start.

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WHAT THE TEST MEASURES

About This Assessment

Teeth Numbering Quiz - Symptoms and Signs

Test your knowledge of the Universal, FDI, and Palmer tooth-numbering systems with 16 focused questions. You will identify permanent and primary teeth, interpret chart entries, compare mirrored teeth, and convert between common notation systems. This free, quick quiz requires no sign-up and provides an overall knowledge band based on your score. It is an educational exercise, not a clinical credential or a substitute for professional dental training.

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