How to take denture impressions like a pro ! | Denture Impression technique | Border Moulding | Anatomical Landmarks | Importance of accurate denture impressions
Taking impressions is essential in dentistry, it is the first step in any dental treatment and has to reproduce and replicate the oral environment in a precise and accurate manner, get this stage wrong and you can find it costing you more in the long run with remakes, more appointments, bad word of mouth from patients.
In this guide I will show you the steps to take denture impressions like a pro to get accurate, consistent and precise results with every impression. I learnt a lot of this technique from Joseph Massad DDS who has his own impression technique system.
The procedures can be used to take your preliminary impression, this guide is mainly for a S/T Secondary impression. Ask your laboratory to design the S/T like this:
Because it outlines the 3D detailed space of the point of reflection between the cheek muscles and the alveolar bone. It outlines the ideal and optimum peripheral extension to stop over extended dentures causing dislodgement via cheek muscles pushing on the dentures during functional movements. Example time, place your finger in the top part of your buccal vestibular sulcus, now with your lips push down, exactly, need I say no more.
Can I use a special tray extended to that area and just take a final wash?
No. Special trays are rigid and tough and if extended to the maximum depth of the sulcus it will not allow material to flow into this area and will push the cheeks outwards and provide a false representation of the functional movements with all the muscles in a stressed state.
Border moulding needs a material to flow into the peripheral area without stressing the cheek muscles and then set with the simulation of functional movements from the muscles in a relaxed but functional state as preformed in the steps above. This provides a accurate representation of a patient chewing or talking with the dentures borders seating into peripheral area.
Should I do border moulding on all impression, even partials ?
Why not. It allows you to master this and become better with each impression, I do this for all impressions, preliminary, secondary, partially dentate even additions on dentures. It soon becomes second nature and you can become a pro at this. It may seem time consuming at first but think of it like this, you place the tray in the mouth it takes about 1 min 45 seconds for the material to set, border moulding takes just as long. Instead of standing there holding it in place, why not do the border moulding procedure and make effective use of that time spent and make every impression a good first impression.
I will soon continue writing on how to take denture impression like a pro, I am not picky, I am thorough and I like to do things correctly, precisely, productively, consistently and accurately, maybe its the technician in me.
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About the author:
Kash Qureshi is a Clinical Dental Technician (Denturist) in the U.K who oversees and quality controls over 3000+ fixed and removable prosthesis including implant cases from a clinical and technical aspect monthly at Bremadent Dental Laboratory & Swissedent Denture Clinic in London.
www.swissedent.co.uk www.bremadent.co.uk firstname.lastname@example.org