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Dental Impression Procedure

Dental Impressions

Dental impressions are preliminary for most dental appliances. They are taken so as to ensure that the new bridge or crown will align with the current bite. The impressions form a mold similar to your teeth so that the treatment feels natural and does not affect the soft tissues.


The procedure may cause some discomfort to the patient but it is inevitable as it is the only way to ensure perfect results. Discomfort results from the alginate materials used or the gag reflex. The alginate materials don’t have a pleasant taste and since they are foreign, they may trigger the body’s natural defense mechanism causing a gag reflex. A Barrie dentist will do the best to ensure that the discomfort is minimal.


Dental Impressions Are Taken In Two Ways

Traditional method




  • The dentist starts by selecting a horseshoe tray. It should be one that approximately fits the patient’s teeth.
  • The tray is filled with alginate or polyvinyl siloxane. The products used for this procedure are not safe to ingest. However, they are non-toxic and inert making them safe to be used in the mouth.
  • The tray is then placed in the patient’s mouth and left to stand for five minutes. One is advised to keep still during these five minutes as movements can cause inaccuracies.
  • If gagging occurs, you can do the following:
    • Breathe deeply through the nose: This might be hard especially with your mouth wide open, but it will help get a good impression. If your nose is congested, takes some decongestion medication before the procedure.
    • Allow the saliva to drool
    • Shift your focus to something else: You can do some calculations in your head, count backwards, plan your day activities, or study the charts in the dental room among many other things.
    • Sit in a comfortable position: Make sure that you are comfortable enough before the tray is placed in your mouth.
    • The dentist Barrie may set you up in an upright position or tilt your head forward to ensure that the impression material does not find its way to your throat.
  • The tray is then removed and used to cast the bridge or crown
Dental Impression Procedure
Dental Impression Procedure

Digital Dental Impressions

The results produced by this traditional method may have some slight variations.

Advancements in cosmetic dentistry Barrie have led to the development of digital dental impressions. Digital impressions are faster and more comfortable to the patient as compared to the traditional ones. They are also more accurate and cause less harm to the environment.

They are done by the use of 3D scanners.


  • A 3D scanner is inserted into the mouth. It scans through the teeth with a laser, measuring the time taken for the laser to reflect back. The time estimate determines how far each tooth is. This process takes very little time.
  • A computer takes the data from the scanner and forms an accurate 3D model. The model can be printed if the doctor needs it.


The impression taken will be used to make a functional or dentistry Barrie bridge or crown that fits perfectly on your existing tooth structure.

Additional Articles About Aesthetic Cosmetic Dentistry
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Natalia Bradu
14:55 26 Apr 17
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Shamil Shamilov
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Yulia Rebarbar
Yulia Rebarbar
13:13 26 Apr 17
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Andrew B
13:31 26 Apr 17
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