Traumatic injuries Test #2 Flashcards
With enamel fractures what percent will experience pulpal necrosis if you do nothing?
1-2%
-No pulpal treatment
What does an uncomplicated crown fracture involve?
-Enamel and dentin
What percent of uncomplicated crown fractures will experience pulpal necrosis if you do nothing?
1-7%
What is the treatment for uncomplicated crown fractures?
- Expose dentin protection immediately (CaOH cement or other hard dental liner (VitraBond), then restore if less that 1/2 mm of dentin
- Reattachment of separated tooth fragment
What does a complicated corwn fracture involve?
- Enamel
- Dentin
- Pulp
What percent of complicated crown fracture experience necrosis if untreated?
-100%
What is the treatment of a complicated crown fracture?
- Pulp capping with CaOH within the 1st 30 hrs
- Partial pulpotomy
- Full pulpotomy
T/F As time increases the depth of pulpal therapy increases
True
T/F Inflammation has no effect on the success for vital pulp therapy
False
-It decreases success
With a mature tooth what affors the most predictable success?
-Pulpectomy
T/F With an immature tooth the vital pulp therapy should always be attempted
true
After pulpal therapy what is the most important factor?
-Bacteria tight seal
What is a Cvek pulpotomy?
-Shallow 2mm day of injury -greater than 80%
What is the treatment for a horizontal root fracture in the cervical or middle 1/3?
-Splint
What is the treatment for a horizontal root fracture in the apical 1/3?
-No immediate treatment
If you have a concussion luxation injury what does that mean?
- No displacement
- No mobility
- Percussion sensitive
What do you do for treatment in concussion luxation?
-No treatment
What is subluxation?
-No displacement, but mobile and percussion sensitive with possible sulcular bleeding
What do you do for treatment in subluxation?
-No treatment
What is extrusive luxation?
- Displacement coronally
- Mobile
- Pulp test non-vital
What is the treatment for extrusive luxation?
- Reposition
- Splint 2-4 weeks
- RCT later if needed
What is lateral displacement?
-Displacement either (MDVL)
What is the treatment for lateral displacement?
- Reposition
- Splint 2-4 weeks
- RCT later if needed
What is intrussive?
- Displacement apically
- No mobility
- May re-erupt spontaneously if imature apex
- HIgh incedence of ankylosis?
How do you treat intrussive luxation?
- May spontaneously re-erupt
- May use orthodontics
- RCT
What is avulsion luxation?
-Complete displacement from socket
What is the treatment for avulsion luxation?
-Immediate reimplantation and splint
What are key factors in an avulsion luxation?
- Duration
- Storage medium
- Apical maturity
If you have a closed apex in an avulsed tooth what is the treatment if the tooth has been out for less than 60 min?
- Place in saline, milk (best), or saliva
- Irrigate socket
- Reimplant and splint 2 weeks
- Antibiotics (doxy or pen)
- RCT one week (CaOH 2 weeks)
If you have an open apex in an avulsed tooth what is the treatment if the tooth has been out for less than 60?
- Saline to clean
- Doxycycline for 5 min
- Minocycline (aresting)
- Reimplant and splint
- Antibiotics
- Follow for vitality
If the avulsed tooth with a closed apex has been out for greater than 60 minutes what is the treatment?
- Soak in 2% NaF for 5-20 minutes
- RCT in NaF soaked gauze in hand
- Replant and splint 4 weeks
If the avulsed tooth with an open apex has been out for greater than 60 minutes what is the treatment?
- May not reimplant due to very high incidence of ankylosis
- RCT out of mouth
What can you use for a splint?
- Ortho wire
- Titanium Trauma splint
- Composite splint
- 12 lb test
