![]() The conversation serves as a diversion that takes the patient’s mind off of any discomfort or gagging sensations. Even if a patient has been given instructions, he or she might move on accident, so it’s helpful to have an assistant chat with the patient during the procedure. Fay Ashley 7. Use the art of distractionĪn impression can become distorted if a patient gags and moves too much. To overcome this, it’s important to consult the Instructions for Use included with the material and make sure to keep track of the material expiration date. Pay attention to the packagingĪ warped impression is occasionally a result of expired materials or improper mixing. One method to ensure the margins are visible is to syringe around the prepared tooth once with the material, lightly blowing air all around the preparation, and then continuing to syringe the remaining material. ![]() In more severe cases, we may have the patient focus on breathing through his or her nose or may try some distraction techniques like lifting a leg during the impression. This way, they can lean forward to lessen the feeling that the material is going down their throats. Usually, an excess of heavy body material is what triggers the gag reflex. Also, it can help to have patients sit up straight, and sometimes even put their legs on the ground so that they are sitting sideways in the chair. Damodaran, DDS, Birch Lake Dentalįor patients who are more susceptible to gagging, try using the least amount of material possible. This trick ensures you’re using the right size tray before dispensing any impression material.įor sizing a triple tray, check the opposite side of the arch while the patient bites down on an empty tray. This provides a mental image of what the occlusion should look like, gives the patient a feel for what he or she needs to do, and gives you an opportunity to ensure the patient is biting down correctly when the actual impression is taken. It also gives the patient a practice round so that he or she knows what to expect when the actual impression is taken.įor a full arch, I typically make sure the tray fits over the bite registration. Trying the tray inside a patient’s mouth prior to adding impression material makes the impression easy and predictable. Luke Presley, DDS, Kimche & Presley Cosmetic & Sports Dentistry 3. To counteract any unavoidable blood or saliva that does occur near the margins, impressioning with a hydrophilic impression material like 3M™ Impregum™ Soft Polyether Impression Material or 3M™ Imprint 4™ VPS Impression Material becomes more critical for success. ![]() If a patient is bleeding a lot, dentists could consider using hemostasis agents, mechanical retraction with cords or retraction paste, or a combination of any of those to ensure that the margins remain visible and dry. ![]() Keeping the margins free of blood and saliva is key for an accurate impression. Take it from these seasoned dental and lab professionals who suggested these 10 tips to improve the chance of getting a perfect impression the first time. Most agreed that while some impressioning best practices can be taught, a lot of the best techniques are learned over time through trial and error. Recently, 3M talked with a number of dental offices and laboratories about some typical challenges associated with dental impressions. Unfortunately, there are a lot of factors that work against the accuracy of an impression, and retaking an impression is a hassle for everyone involved. Whether for dentures, crowns, clear aligners or custom trays, taking impressions is a necessary procedure in most dental practices. ![]()
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