Restorative & Prosth 2 Exam 1 | Verified Answers | 2024
1. what does a blue box represent in axium: unapproved items
2. what are prerequisites for fixed impressions: tissue health, saliva control, and displacement of gingival tissues
3. describe the anatomy of a good fixed impression: distinct m...
1. what does a blue box represent in axium: unapproved items
2. what are prerequisites for fixed impressions: tissue health, saliva control, and displacement of
gingival tissues
3. describe the anatomy of a good fixed impression: distinct marginal detail, cuff or flash beyond
the margin, smooth internal detail of the preparation
4. what hemostatic agents do we use for fixed impressions: aluminum chloride (20-25%),
aluminum potassium sulfate (up to 100%), aluminum sulfate (25%), ferric sulfate (12.7 - 15.5%),
ferric chloride (22%), racemic epinephrine (15% HCl)
*we use ferric sulfate
5. what is the outcome of five minute exposure with aluminum chloride (he- modent, 21.3%):
complete smear layer removal and noticeable dentin etching, some tubules remain particle
occluded
6. true or false: for viscostat (ferric sulfate) to be effective, it has to be rubbed in: true
7. true or false: you should not be able to see the final cord when it is packed prior to a fixed
impression: false; you need to be able to see the cord - if you can't see it, you probably need to
use a bigger size
8. when using the double cord technique, under what circumstance can the second cord be left in
when taking the impression: if the full finish line can be seen - if the second (deeper) cord is on
some of the finish line, it needs to be removed before the impression is taken
9. true or false: accuracy and consistency are enhanced when the adhesive is used in a perforated
tray: true
10.when submitting lab work, what needs to be included: laboratory prescrip- tion signed by you
and instructor & pay slip with stamp approval
11.true or false: your cord should be left in the impression when submitting to the lab: false; no
cords, cotton rolls, or gauze can be attached to the impression when given to the lab because
they cannot be disinfected
12.true or false: impressions need to be disinfected for 10 minutes, rinsed, dried and placed in
special bags before being submitted to the lab: true
13.if a patient is paying out of pocket, how much do they have to pay before something is sent to
the lab: 1/2
and then the balance must be paid prior to releasing from the lab
14.what denture teeth does OSU use: portrait by dentsply
they have good esthetics, are durable, and are expensive & high quality teeth
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15.true or false: the same quality teeth and acrylic are used for everything made here in the lab:
true
16.true or false: our lab stocks all shades of denture teeth: false; it only stocks shades with VITA
identifiers
17.true or false: we need to scan lab slips into axium: true; and if the slip has a sticker than that
needs to be included too
18.what is the most common acrylic shade used: LRP (light reddish pink)
19.what impression materials can be used for denture relines: polyvinyl (send to lab) and lynal
(patient wears it home for about a week and see if it benefits them, then it is sent to the lab to
become hard reline)
20.true or false: when doing a hard external / soft internal occlusal guard you need to wax it up:
false; you only need to wax it up for hard external and hard internal guards
21.true or false: occlusal guards are therapeutic devices: false; they are strictly to protect the
teeth from wear, they do not treat TMD
22.what is the most common thing we use pick up impressions for: repairs to RPD
*it is done by pouring the impression without taking the prosthesis out and it also poured with
the prosthesis in
23.what requires a pick up impression: adding a tooth to a partial, repairing a flange on an
RPD or complete denture, and repairing a broken clasp
24.to shade match a crown, what should be done: take a photo with the shade tab in the same
focal plane as the tooth (may need to take with 2 or 3 tabs)
25.when would a patient sign a treatment waiver: if an agency patient agrees to or asks for a non-
covered service
26.true or false: we should prescribe Prevident to agency patients: false; we should prescribe
Denta 5000+ because Prevident is not covered
27.what is the format of a prescription: Rx: name of drug and dosage Disp: quantity
of drug
Sig: medication directions Refill:
number of refills
28.when leaving a voicemail for a prescription, what information should be given: your
credentionals (name, attending doctor's name, attending license num- ber, NPE/DEA number),
patient info (name and DOB), medication (name, amount, directions, refills), and call back info
29.true or false: schedule II drugs cannot be prescribed through phone call: -
true
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