Root Camp Lecture 7 - Vital and Non-vital teeth and Medication Flashcards
(26 cards)
Vital or necrotic pulp?
Debridement and cleaning of canal
Vital
Necrotic
Vital or necrotic pulp?
Create morphological and dimensional conditions so the canal can be filled 3D
Vital
Necrotic
Vital or necrotic pulp?
Tx includes principles of asepsis and anti-sepsis (“prevent contamination”)
Vital
Vital or necrotic pulp?
Simple tx (pulp removal, cleaning, shaping, obturation)
Vital
Vital or necrotic pulp?
High success rate
Vital
Vital or necrotic pulp?
Eliminate infection or significantly reduce it
Necrotic
What is the primary cause of post-treatment disease?
Intraradicular
All instrumentation techniques left at least _____% of the canal’s surface area untouched
35%
NaOCl has ______ surface tension, so it can reach more areas
low
________ dissolves biofilm
NaOCl
Calibrate the irrigation needle ____ mm short of the WL, use back-and-forth motions, and don’t let the needle ________ the canal
2 mm; block
Which gauge needles allow better penetration?
Smaller gauge
The irrigation needle must go in _________
passively
Which alternative irrigation technique?
Frequency is 1-6 KHz
Sonic
Which alternative irrigation technique?
Frequency is 25 KHz
Ultrasonic
Placement of a medicinal substance in the pulp cavity, btwn the sessions necessary to complete tx
Intracanal medication
What does the following describe?
Reduces PA inflammation
Reduces microorganisms that survived the prep of the canal/prevents their proliferation
Acts as a physical barrier to prevent contamination
Solubilizes organic matter
Neutralizes toxic products
Combats persistent exudation
Controls inflammatory resorption
Stimulates repair
Intracanal medication (CaOH)
How do you remove the smear layer?
3 mL of 17% EDTA (slow flow - 2 mins)
3 mL of 3.5% NaOCl (slow flow - 2 mins)
Which instrument?
Size smaller than MAF
Low speed w/ clockwise rotation
Use only in the straight portion of the root canal
Lentulo spiral
What does the following describe?
Dense and homogenous filling
Fully filled up to WL
15 days for adequate action
No time limit
Intracanal medication (CaOH)
What is the intracanal medication (CaOH) usage time for vital pulp?
No time limit
What is the intracanal medication (CaOH) usage time for necrotic pulp w/o apical lesion?
At least 7 days
What is the intracanal medication (CaOH) usage time for necrotic pulp w/ apical lesion, sinus tract, or swelling?
At least 15 days
Enlarge the apical third to at least intstrument #_____
30
