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7. You have finally persuaded your 8-year-old patient to have impressions taken: When seating the maxillary tray; however; she starts to gag: Describe some concepts...

Question

7. You have finally persuaded your 8-year-old patient to have impressions taken: When seating the maxillary tray; however; she starts to gag: Describe some concepts or techniques you could use to make this procedure a positive experience for the patient:8. You are assisting in taking a final impression of a patient's mandibular arch; using an automix material: After transferring the syringe material to the dentist, you ready the heavy-bodied material for the tray: While preparing the tray;

7. You have finally persuaded your 8-year-old patient to have impressions taken: When seating the maxillary tray; however; she starts to gag: Describe some concepts or techniques you could use to make this procedure a positive experience for the patient: 8. You are assisting in taking a final impression of a patient's mandibular arch; using an automix material: After transferring the syringe material to the dentist, you ready the heavy-bodied material for the tray: While preparing the tray; the cartridge runs out of material before the tray is completely filled: What could have prevented this? What should you do now?



Answers

A dentist has a small mirror of focal length $16 \mathrm{~mm}$. He views the cavity in the tooth of a patient by holding the mirror at a distance of $8 \mathrm{~mm}$ from the cavity. The magnification is (a] I (b) $1.5$ (c) 2 (d) 3

So the question here, basically us us to explain why, if we block sodium channels in the neuron surrounded affected tooth, it could help eliminate pain. This is because sodium channels were responsible for the deep polarisation effect of any action potential. And basically, if you block the sodium channels, there's gonna be no action potential, which is responsible for pain.

In this problem, given that the value of empty is equal to two which can be further return it as I buy 0.0 one fight. So the value of S. A. is equal to -0.03. Meted. I will use the lesson one by our physical too. one by has not plus one by aside Which is required to one x 0 15 plus one by 10.0 teddy. This is minus, this is in minus, so simplifying it further, I get the value of their physical too, the euro point 03 m. As we all know that Have physical to minus are by two. R. is the radius of curvature. So finally I get the value of our Is equal to two multiplication by zero point. Yeah totally. Which is equal to zero 06 m.

In this problem, you are given a dental mirror, and this tooth is one centimeter in front of the A dental mirror and an image is formed eight centimeters behind the mirror. The fact that this is behind the mirror actually tells us a lot of information. This tells us that this is a virtual image. All virtual images are upright, and this tells us that d I should actually be a negative value So we can use that information to help us itself for the focal length of this mirror so we can use the mirror equation one over d o plus one over D. I equals one of her f again. If we want to solve for F, we do want to inverse the entire left side. So it's one of radio plus one over d. I equals one of her f was that and then we can go ahead and plug in our number. So this gives us one over one plus one over make it of eight, which gives us a vocal links of 1.1 four centimeters. The fact that this comes out to be a positive number tells us that this is a con cave mirror because Khan cave mirrors have positive vocals and then we can use the magnification equation to tell us a little bit more information. So our magnification is d I over Dio equals h I over h o equals m. But again, we're only going to use this part of the equation, which is 8/1 equals. So this tells us that are magnification is eight tow whatever. Ah, high our heights of the object is our hides of our image will be eight times that of the height of the object.

We have been given a dentist as a mirror of focal land F is given as mhm minus 16 amen. And we know the distance of the object from the mirror. That is the sense of the tooth from the mirror object distance. Mhm. Object distance meal Is given as -8 mm. We have been out of the magnification. Um We know magnification is focal length upon for Colin minus object distance you On putting the value. We regard this as -16 upon -16 minor seat on solving this is obtained. Urz. Therefore the magnification of the meter used by the dentist is too.


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