Tissue management and Impression making Flashcards
The ______ of the margin is not the determining factor, but the precision of ______ is.
Location
the fit
What are the 3 prerequisites for success of crown impressions?
- tissue health
- saliva control
- displacement of gingival tissues
What drugs can help obtain moisture control?
Anticholenergics
How soon do you give your patients anticholinergics before drying effect is needed?
30-60 minutes before
What patients would avoid using anticholinergics with?
Heart disease
GI obstruction
Glaucoma
Where do you typically want to start packing cord?
Interproximally
When do you want wet cord and when do you want dry cord?
Dry cord when placing
Wet cord when removing
What type of cord does OSU use?
Knitted
What are the two most common types of hemostatic agents used today?
Aluminum chloride
Ferric sulfate
What is the risk placing hemodent or any low pH hemostatic agent for longer than 5 minutes?
The smear layer is removed
What stops the bleeding when you use ferric sulfate?
Blood coagulation
Astringedent vs viscostat plus pH and effects?
Astringedent = Very low pH and loss of smear layer after 5 minutes
Viscostat plus = Higher pH and no loss of smear layer after 8 minutes
Using cords with ______ can cause tachycardia.
Epinephrine
Which of the following is the most common electrosurgery technique?
- Fully rectified current
- Fully rectified filtered current
- Partially rectified current
Fully rectified current
When would you not want to do electrosurgery?
- During inflammation
- Patients with pacemakers that aren’t shielded
