Technology

    Digital Impressions vs. Traditional Molds: Why Scanners Changed Dentistry

    Goopy impression trays are largely obsolete. Here's what intraoral scanners actually do, why they're more accurate, and how they shorten your time in the chair.

    7 min readMarch 17, 2026

    What an Intraoral Scanner Actually Does

    A digital scanner is a small wand with a camera on the end. It captures thousands of images per second and stitches them into a precise 3D model of your teeth and gums—usually in a couple of minutes, with no trays, no goop, and no gagging.

    Why Digital Beats Traditional for Accuracy

    Traditional impressions distort. The material shrinks, gets pulled when removed, and is subject to handling errors before it reaches the lab. Digital scans skip every one of those steps. The result is restorations—crowns, onlays, veneers, aligners, nightguards—that fit better the first time.

    The Patient Experience Is Just Better

    No tray full of cold material pressed against your palate. No \"hold still and breathe through your nose\" for four minutes. Scans pause and resume freely, can be reviewed instantly, and let us show you exactly what we see on screen.

    Where Scanners Fit Into Modern Treatment

    Digital impressions power same-day crowns, smile design previews, aligner therapy, implant planning, and long-term monitoring of wear or recession. Once your scan is on file, we can compare it against future scans to catch tiny changes years before they become problems.

    Have questions about anything in this article? Our team at Prentice Dental is happy to talk through your situation in plain English—no pressure, no upsells.

    Dr. Joshua Prentice

    About Dr. Joshua Prentice

    DDS, Kois Center Graduate with Honors

    Dr. Prentice has completed advanced training at the prestigious Kois Center, one of dentistry's most respected institutions for comprehensive treatment planning and evidence-based care. He lectures nationally on complex restorative dentistry, digital workflows, and airway-centered treatment.

    With over 15 years of experience in comprehensive dentistry, Dr. Prentice combines cutting-edge technology with evidence-based protocols to deliver predictable, lasting results for complex dental cases.

    Experience Modern, Goop-Free Dentistry

    See what a digital scan looks like at your next visit—and why our restorations fit so well.

    Or call us at (972) 539-6831