What is an iTero scan and does it replace impressions?
Quick Clinical Answer
An iTero scan is a 3D digital intraoral scanner that captures thousands of high-resolution images per second to create an accurate 3D model of your teeth and gums. It completely replaces gooey, uncomfortable alginate impression trays, eliminating the gag reflex and producing instant digital records for crowns, aligners, and smile simulations.
How 3D Intraoral Scanning Works
Traditional dental impressions rely on metal or plastic trays filled with cold alginate or polyvinyl siloxane putty. Patients must hold the putty in their mouth for several minutes, often triggering gagging and discomfort.
The iTero intraoral scanner uses optical wand technology that glides gently over your teeth, taking over 6,000 optical frames per second to construct a photorealistic, millimeter-accurate 3D render on screen in real time.
Key Advantages of Digital Scanning
Impression-free experience: No messy trays or unpleasant taste.
Real-time feedback: Dentist and patient can immediately inspect bite alignment and margins in 3D.
Invisalign Outcome Simulator: Patients can view a simulated before-and-after digital progression of tooth alignment in minutes.
Enhanced crown and bridge fit: Digital CAD/CAM records sent electronically to the laboratory eliminate impression shrinkage or distortion.
Related Treatment
iTero 3D Digital Scanner →Frequently Asked Questions
Does an iTero scan emit radiation?
No. The iTero scanner uses optical light and laser sensors, emitting zero ionizing radiation. It is completely safe for children and pregnant women.
How long does a full mouth scan take?
A comprehensive full-arch intraoral scan typically takes between 3 to 5 minutes.
Can an iTero scan be used for pediatric patients?
Yes. Children who struggle with gagging during traditional impression trays tolerate digital optical wand scans very comfortably.