disadvantage of resin bonded denture- maryland bridge Ans- debonding
advantage of a maryland bridge Ans- less tooth reduction
what is gutta percha made out of Ans- zinc oxide
what drug increases the concentration of lidocaine in the blood Ans- propanolol
best initial treatment for maxillary oroantro fistula (sinus perf) Ans- antibiotic and irrigation
- depends on the size: <2mm - DO NOTHING; 2-6mm: AB, nasal decongestant and figure 8 suture; 6mm- flap surgery
min occlusal reduction for PFM crown Ans- 1.5mm
usually 1.5-2mm
min occlusal reduction for Gold crown Ans- 1.5mm
min occlusal reduction for ACC Ans- 2mm
xrays show many well demarcated PA radiolucencies- what to do next? Ans- pulp test them
purpose of SRP Ans- To reduce inflammation and pockets
You extracted a tooth, 1 day later pt has a big blood clot.
Next step? Ans- remove clot, apply pressure with gauze, evaluate
what drug is taken with arthritis Ans- naproxen
what is an advantage of under contoured temps Ans- improves gingival health
Porcelain fractures because 3 reasons: Ans- -It was a long span resulting in flexing of metal
-unsupported porcelain -not enough occlusal reduction
why would a denture pt have difficulty swallowing with a F/F Ans- Insufficient interocclusal space; over extended lingual land on mand denture
you insert F/F , 1 side contacts in CR, the other doesn't contact why? Ans- dimensional change during processing
Arrow to reciprocal clasp (above/at HOC) - what is purpose? Ans- to counterbalance force of retentive arm/clasp
**Blunted roots of anterior teeth are due to? Ans- Excessive orthodontic forces
when placing an implant, what's the best choice Ans- endosseous
what is best treatment to replace one single tooth Ans- implant
advantage of an implant Ans- avoid the need to cut healthy teeth
an RPD is better than FPD for what reason Ans- more hygenic
xrays cannot determine what? Ans- F/L width of the alveolar bone
V notch is cut into plaster cast to be able to? Ans- Remove and replace model more accurately
What isn't an indication of an MI? Ans- Pounding heart beat
if a patient has a history of angina, what do u do? Ans- have pt take nitroglycerin
Ideal occlusal reduction for porcelain on functional cusp? Ans- 2mm
The last 1/3 of the retentive arm of the clasp is located where? Ans- apical to height of contour
the best way to close an oro-antral fistula- sinus perf Ans- surgery, but depends on size
what do you when it's difficult to match the shade of adj teeth Ans- lower shade in color saturation and less gray
what is the purpose of die spacer Ans- to allow room for cement die spacer: an agent applied to a die to provide for the luting agent in the finished casting
applying endo ice to a tooth and the tooth responds but goes away in 3 seconds, what's the diagnosis Ans- reversible pulpitis applying endo ice to a tooth and the tooth responds but goes away immediately, what's the diagnosis Ans- healthy tooth
In an emergency, the accepted dose of injectable epi is? Ans- .2cc of 1:1000
max epi dose for healthy patient Ans- 0.2mg an appointment
max epi for cardiac patient Ans- .04mg
max lido without epi Ans- 4.4mg/kg
Max lido with epi Ans- 7mg/kg
Hydrocholorothiazide Ans- thiazide diuretic, helps body from not absorbing too much salt, used to treat high BP
**Perio packs should be removed after surgery? Ans- one week
what's the prognosis for a diabetic patient Ans- poor
calcium channel blockers cause? Ans- gingival hyperplasia
-dipine
Ideal undercut for wrought wire retentive arm is? Ans- 0.03
wrought wire Ans- - more flexible
- flexes in all directions - due to flexibility, more stress on abutment teeth
- requires more of an undercut
cast clasp Ans- - less flexible
- flexes in one direction
- more stress on abutment teeth
- requires less of an undercut
infrabony defect Ans- 1 wall: hemiseptal 2 wall: crater - most common 3 wall: trough
4 wall: ext socket
vertical cleft of the bone Ans- dehiscence
Best method to clean FPD? Ans- Proxy brush Indexing base of the cast - advantage? Ans- Allows accurate reattachment of the cast in
proper articulator mounting
pt with a joint replacement doesn't have to pre-med if its been Ans- 1 year
patient that smokes, evaluate for what? Ans- nicotinic stomatitis
bacteria associated with ANUG Ans- Actinobacccilus Spirochaetes
most difficult 3rd molar ext Ans- mand: distoangular
if nervous patient hyperventilates Ans- have them breathe into paper bag
Ideal implant for #10? Ans- Endosseous
Wax up for RPD framework is made on? Ans- Refractory investment cast
least number of mand implants for stability Ans- 2
advantage of AP strap major connector Ans- less interference with taste and speech
U shaped major connector, contraindicated because of what reasons Ans- lacks strength and lacks rigidity
indication for altered cast technique Ans- When saddles rock under occlusal loading
medical condition aggravated by overweight pts Ans- hypertension
Porcelain jacket crown margin should have? Ans- A shoulder or butt joint
Linear blue structure on ventral surface of the tongue on 70yo patient? Ans- lingual varicosity
main side effect of aspirin Ans- increased bleeding
phlebitis Ans- inflammation of a vein
NG dosage for pt with angina Ans- .4mg
Normal width of keratinized gingiva tissue on the buccal surface of the mandible is? Ans- 3-4mm
Surgical flap for perio is done for? Ans- Access for instrumentation
Type of healing for surgical flap? Ans- long junctional epithelium