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7 Mistakes You’re Making with Digital Scans that is costing you days of time

Ted Mattingly
Ted Mattingly

 

Let’s be honest: your intraoral scanner isn’t a magic wand.

If you bought it thinking it would magically fix a bad prep or a bloody margin, you’ve been sold a bill of goods. Technology doesn’t replace skill; it amplifies it.

Using a high-end scanner to send a bad file to a lab is just a more expensive way to be wrong.

At Smile Fusion, we see the "digital artifacts" of laziness every day. We also work with dentists who are moving to our lab becuase they can’t figure out why their digital crowns still need 20 minutes of chairside grinding.

If you want get quality, speed, and cost-efficiency in one package: you have to stop making these seven amateur mistakes.


1. The "Hole" Truth: Missing Data Points

Your scanner’s software is a liar.

When you miss a spot: especially on the interproximal surfaces or the distal of that second molar: the software "fills in the gaps" using an algorithm.

Do you really want a computer "guessing" what your patient’s contact point looks like?

Algorithms are great for Netflix recommendations; they are terrible for dental margins. If there’s a hole in your scan mesh, there will be a hole in your restoration’s fit.

  • The Fix: Use a systematic scan path. Don't just "paint" the teeth randomly. Follow the occlusal, then lingual, then buccal.
  • The Pro Tip: Inspect the mesh in "monochrome" or "stone" mode. Color hides voids. Grey reveals the truth.

2. The Ghost of the Second Molar

The distal of the last molar is the Bermuda Triangle of digital dentistry.

Most clinicians stop too soon. They get 90% of the tooth and assume the lab can "figure out" the rest.

If the lab can’t see the distal margin, they are guessing the emergence profile.

This leads to crowns that feel like "slugs" in the patient’s mouth or, worse, food traps that turn a simple crown into a future extraction.

3. The "Bloody Mess" Approach

Digital scanners can see through a lot of things, but they cannot see through blood, saliva, or crevicular fluid.

If you can't see the margin with your eyes, the scanner can't see it with its sensors.

Too many dentists skip the retraction cord because they think "digital is faster." Digital is only faster if the restoration fits the first time.

  • The Reality Check: Blood absorbs the light from the scanner. This creates "melting" or "noise" on your digital margin.
  • The Script: Tell your assistant, "I need this bone-dry. If I see a bubble of spit, we stop."

4. The "Bite" That Barked

We’ve all seen it: a beautiful scan, a perfect margin, and a crown that is 2mm too high.

Why? Because your patient bit down in a "habitual" position instead of centric.

Or even worse, you only captured one small segment of the buccal bite. If the software doesn't have enough data to "stitch" the arches together, it guesses the vertical dimension.

  • The Fix: Capture a generous buccal segment. Don't just scan the prep area; scan from the premolars to the last molar.
  • Check the screen: If the digital arches look like they are floating or "crashing" into each other, delete and rescan.

5. Treating Your Scanner Like a Fax Machine

The biggest mistake you’re making isn't technical: it's mental.

You’re treating your scanner like a "send and forget" tool. You scan, you click submit, and you pray.

"Send and Pray" is not a business strategy.

At Smile Fusion, we utilize real-time scan validation. Our experts analyze your file while the patient is often still in the chair. If we see a void or a questionable margin, we tell you immediately.

Why wait 3 weeks for a "re-impression" phone call when you can fix it in 30 seconds now?

6. Dirty Optics and Forgotten Calibration

When was the last time you calibrated your scanner? If you had to think about it, the answer is "too long ago."

A dirty lens is the digital equivalent of a blurry impression.

Smudges, scratches, or even just dust on the scanner tip create cumulative errors. Over an entire arch, those small errors add up to a restoration that simply doesn't fit.

7. Stop being gaslighted into believing you can't have it all

Most labs make you choose:

  1. High Quality (But it takes 3-4 weeks).
  2. Low Price (But it’s made of "mystery meat" zirconia).
  3. Fast Turnaround (But it fits like a sock on a rooster).

We think that’s BS.

Smile Fusion Dental Labs can provide all three. 

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