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1. Rotary Burs - 🧠 ANSWER ✔✔Refer to textbook
2. Drug Handout - 🧠 ANSWER ✔✔Refer to drug handout
,3. What type of restoration would you use a gingival retraction cord for? - 🧠
ANSWER ✔✔You would use a gingival retraction cord for a crown
4. What are the uses of gingival retraction cord? - 🧠 ANSWER ✔✔A
gingival retraction cord is used to ensure that an impression with clear
margins can be obtained.
5. For which patient would you not use an epinephrine impregnated
gingival retraction cord? - 🧠 ANSWER ✔✔Epinephrine is a vasoconstrictor
which increases heartbeat (tachycardia). It is contradicted for patients with
heart disease, diabetes, or hyperthyroidism.
6. What is the highest concentration of epinephrine? - 🧠 ANSWER
✔✔1:20,000
7. Nitrous oxide to oxygen ratios? - 🧠 ANSWER ✔✔The most common ratio
is 2:1
8. When is it acceptable to send a patient who has not paid their dental bill
an ultimatum letter? - 🧠 ANSWER ✔✔It is only appropriate to send an
ultimatum letter after the first 3 stages of collection have failed. It must first
go through the reminder stage, inquiry/discussion stage and urgency stage.
,9. How often does the organized dental assistant send a reminder of non-
payment? - 🧠 ANSWER ✔✔Typically every 30, 60, 90 days. Or at the
discretion of the Dentist.
10. A buffer period is primarily used for what? - 🧠 ANSWER ✔✔To maintain
the pH of the mouth
11. Which muscle is not used for mastication? - 🧠 ANSWER ✔✔The
muscles of facial expressions are not used during mastication, which
includes the orbicularis oris, buccinator, mentalis, and the zygomatic major.
The muscles used during mastication include the internal and external
pterygoid muscles, masseter and temporal muscles.
12. What are the parts of the TMJ? - 🧠 ANSWER ✔✔Composed of 3 parts:
The glenoid fossa of the temporal bone
The articular eminence of the temporal bone
The condyloid process of the mandible
13. Which bone articulates with the mandible? - 🧠 ANSWER ✔✔The
temporal bone
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, 14. Which gauge needle is used for injecting different areas in the mouth? -
🧠 ANSWER ✔✔Needle gauges used are 25, 27 and 30. The smaller the
gauge, the larger the diameter.
15. State the different injections used in the mouth and where the topical
would be placed. - 🧠 ANSWER ✔✔Local infiltration (topical placed in the
area of treatment)
Field block (topical placed in vestibule near apex of the tooth)
Nerve Block (topical placed posterior to retromolar pad and anterior to
mandibular foramen)
16. When is a dental implant implicated? - 🧠 ANSWER ✔✔Used to replace
one individual tooth, multiple teeth, or to restore an edentulous arch.
17. What is ANUG? - 🧠 ANSWER ✔✔Acute necrotizing ulcerative gingivitis.
The symptoms include painful bleeding gums, and ulceration of the
interdental papillae. This is frequent in patients who smoke and those who
are under stress.
18. What prophylactic antibiotic is used with a penicillin allergy? Non-
penicillin allergy? - 🧠 ANSWER ✔✔Penicillin allergy:Clindamycin,
cephalexin and doxycycline