From Arches to Surfaces
Mastering Dental LocatioNS
Start
Locating the Tooth: The Arch & Quadrant Grid
Before we read a radiograph, we need a universal language for location. The dental arches and quadrants act as your first coordinate system. Click each of the to explore!
Next
Talking Teeth: The 5 Basic Surfaces
Once the quadrant is identified, we use these five specific surfaces to describe the exact location of a finding on a single tooth (like a cavity or a fracture). Mouse over each to learn more.
Next
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Great Job!
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Write an awesome subtitle here to provide context
Use this space to add some awesome interactivity. Include text, images, videos, tables, PDFs... even interactive questions! Premium tip: If you want to get insights on how your audience interacts, remember to enable user tracking from the Analytics preferences. Let the communication flow!
Use this space to highlight super-relevant data.
The upper arch. It is fixed (non-movable) and forms part of the skull. All teeth are anchored to the maxilla bone.
The lower arch. It contains the movable jawbone (the mandible).
Q1: Upper Right Teeth #1–#8 (Using the Universal Numbering System)
Q2: Upper Left Teeth #9–#16 (Using the Universal Numbering System)
Q3: Lower Left Teeth #17–#24 (Using the Universal Numbering System)
Q4: Lower Right Teeth #25–#32 (Using the Universal Numbering System)
From Arches to Surfaces
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Created on October 23, 2025
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Transcript
From Arches to Surfaces
Mastering Dental LocatioNS
Start
Locating the Tooth: The Arch & Quadrant Grid
Before we read a radiograph, we need a universal language for location. The dental arches and quadrants act as your first coordinate system. Click each of the to explore!
Next
Talking Teeth: The 5 Basic Surfaces
Once the quadrant is identified, we use these five specific surfaces to describe the exact location of a finding on a single tooth (like a cavity or a fracture). Mouse over each to learn more.
Next
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Interactive Question
Great Job!
Write a great headline
Write an awesome subtitle here to provide context
Use this space to add some awesome interactivity. Include text, images, videos, tables, PDFs... even interactive questions! Premium tip: If you want to get insights on how your audience interacts, remember to enable user tracking from the Analytics preferences. Let the communication flow!
Use this space to highlight super-relevant data.
The upper arch. It is fixed (non-movable) and forms part of the skull. All teeth are anchored to the maxilla bone.
The lower arch. It contains the movable jawbone (the mandible).
Q1: Upper Right Teeth #1–#8 (Using the Universal Numbering System)
Q2: Upper Left Teeth #9–#16 (Using the Universal Numbering System)
Q3: Lower Left Teeth #17–#24 (Using the Universal Numbering System)
Q4: Lower Right Teeth #25–#32 (Using the Universal Numbering System)