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Tooth Number Quiz: Practice Identifying Teeth by Number

Quick, free tooth numbering quiz to build speed and accuracy. Instant results.

Editorial: Review CompletedCreated By: Kaylee MumfordUpdated Aug 25, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for tooth numbering quiz on coral background

This tooth numbering quiz helps you practice identifying each tooth by number and find its spot on the chart. Build speed, check weak areas before a class or exam, and see your score right away. For extra review, try our dental charting practice, a tooth identification quiz, or a tooth anatomy quiz.

In the Universal Numbering System, which tooth is #8?
Maxillary right central incisor (Correct: Universal #8 is the maxillary right central incisor at the midline of the upper arch)
Maxillary left central incisor
Maxillary right lateral incisor
Mandibular right central incisor
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In the Universal Numbering System, which tooth is #19?
Maxillary right first molar
Mandibular left first molar (Correct: #19 begins the mandibular left molar sequence)
Mandibular right first molar
Maxillary left first molar
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In FDI notation, which tooth is 16?
Maxillary left first molar
Mandibular right first molar
Maxillary right first molar (Correct: Quadrant 1, position 6 indicates upper right first molar)
Mandibular left first molar
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In FDI notation, 11 designates which tooth?
Maxillary right central incisor (Correct: Quadrant 1, position 1)
Maxillary left central incisor
Maxillary right lateral incisor
Mandibular right central incisor
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In the Universal primary dentition, which tooth is labeled A?
Maxillary right first molar
Maxillary right central incisor
Maxillary right second molar (Correct: Primary letters A-J are maxillary from right to left; A starts at the upper right second molar)
Mandibular right second molar
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Which tooth is #27 in the Universal system?
Mandibular right canine (Correct: #27 is the lower right canine)
Mandibular left canine
Maxillary right canine
Maxillary left canine
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Which tooth is #14 in the Universal system?
Maxillary left first molar (Correct: #14 is upper left first molar)
Maxillary left second molar
Maxillary right first molar
Mandibular left first molar
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Which tooth is #4 in the Universal system?
Maxillary right canine
Mandibular right second premolar
Maxillary right second premolar (Correct: #4 is the upper right second premolar)
Maxillary right first premolar
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Which tooth is #10 in the Universal system?
Maxillary left lateral incisor (Correct: #10 is upper left lateral incisor)
Maxillary right lateral incisor
Mandibular left lateral incisor
Maxillary left central incisor
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In FDI notation, which tooth is 36?
Mandibular left first molar (Correct: Quadrant 3, position 6)
Maxillary left first molar
Mandibular right first molar
Maxillary right first molar
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In FDI notation, which tooth is 26?
Maxillary left first molar (Correct: Quadrant 2, position 6)
Maxillary right first molar
Maxillary left second molar
Mandibular left first molar
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Which tooth is #12 in the Universal system?
Mandibular left first premolar
Maxillary left first premolar (Correct: #12 is upper left first premolar)
Maxillary right first premolar
Maxillary left canine
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In FDI notation, which tooth is 45?
Mandibular right second premolar (Correct: Quadrant 4, position 5)
Maxillary right second premolar
Mandibular left second premolar
Mandibular right first premolar
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Which tooth is #5 in the Universal system?
Mandibular right first premolar
Maxillary right canine
Maxillary right first premolar (Correct: #5 is upper right first premolar)
Maxillary right second premolar
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In FDI notation, which tooth is 23?
Maxillary right canine
Maxillary left lateral incisor
Maxillary left canine (Correct: Quadrant 2, position 3)
Mandibular left canine
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Which tooth is #7 in the Universal system?
Maxillary right central incisor
Maxillary right lateral incisor (Correct: #7 is upper right lateral)
Mandibular right lateral incisor
Maxillary left lateral incisor
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Which tooth is #26 in the Universal system?
Mandibular right lateral incisor (Correct: #26 is lower right lateral incisor)
Mandibular right central incisor
Mandibular left lateral incisor
Maxillary right lateral incisor
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In FDI notation, which tooth is 48?
Mandibular right third molar (Correct: Quadrant 4, position 8)
Mandibular right second molar
Mandibular left third molar
Maxillary right third molar
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In FDI notation, which tooth is 34?
Mandibular left second premolar
Mandibular right first premolar
Maxillary left first premolar
Mandibular left first premolar (Correct: Quadrant 3, position 4)
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In FDI notation, which primary tooth is 62?
Primary mandibular left lateral incisor
Primary maxillary right lateral incisor
Primary maxillary left lateral incisor (Correct: Primary quadrants 5-8; 62 is upper left lateral incisor)
Primary maxillary left central incisor
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Study Outcomes

  1. Identify Universal Tooth Numbers -

    Apply the universal tooth numbering system to distinguish each tooth's unique number with confidence.

  2. Locate Key Teeth Like #15 -

    Pinpoint the #15 tooth location and other specific teeth using clear anatomical landmarks.

  3. Analyze Numbering Patterns -

    Recognize common patterns in the teeth numbering quiz to streamline identification across quadrants.

  4. Apply Numbering in Charting -

    Use your skills to accurately record tooth numbers in clinical charting scenarios.

  5. Enhance Dental Vocabulary -

    Strengthen your understanding of dental terms through an engaging identifying teeth quiz format.

  6. Evaluate Your Dental IQ -

    Self-assess your performance on the tooth numbering quiz and identify areas for further study.

Cheat Sheet

  1. Universal Numbering System Basics -

    The American Dental Association's Universal Numbering System labels permanent teeth 1 - 32, starting with the upper right third molar as #1 and ending with the lower right third molar as #32. Primary teeth use letters A - T in matching order, so you can differentiate adult vs. child dentition in a tooth numbering quiz. Practicing with these sequences boosts your speed on any identifying teeth quiz.

  2. FDI (ISO) Two-Digit System -

    The FDI system uses a two-digit code: the first digit denotes quadrant (1 - 4 for permanent, 5 - 8 for primary) and the second digit the tooth's position (1 - 8). For example, universal #15 (upper left second molar) equals FDI 27, since it's in quadrant 2 and tooth 7. Learning both systems sharpens your dental vocabulary and ensures you can ace any tooth number quiz internationally.

  3. Quadrant Identification Techniques -

    Visualize the mouth divided into four quadrants to quickly locate each tooth: upper right (UR), upper left (UL), lower left (LL), and lower right (LR). In the universal system, UR starts with #1 - #8, UL #9 - #16, LL #17 - #24, and LR #25 - #32. Mastering this pattern helps you pinpoint #15 tooth location and other key numbers in any teeth numbering quiz.

  4. Primary vs. Permanent Dentition Differences -

    Primary (baby) teeth use letters A - T while permanent teeth use numbers, so distinguishing between them prevents mix-ups on your identifying teeth quiz. Note that primary second molars (letters J and K in the upper arch) correspond to permanent molars numerically, which can be tricky. Brushing up on these differences ensures you're prepared for both pediatric and adult tooth numbering scenarios.

  5. Mnemonic Tricks and Practice Drills -

    Use easy memory aids like "Start at the star (upper right #1)" or the phrase "Good Kids Like Milk" (for Incisors, Canines, Premolars, Molars) to recall tooth types and sequence. Combine flashcards with tooth numbering quiz apps to reinforce associations between numbers and specific tooth locations. Regular timed drills boost both speed and confidence when identifying teeth in any quiz format.

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