Paeds tutorials Flashcards
History takihg for an avulsed tooth, questions?
When did it happen
Any other injuries
Any signs of lost consciousness
What should an avulsed tooth be stored in and why?
Milk or saline - isomolar solutions will keep tooth viable
Why would you not replant an avulsed primary tooth?
Permanent successor lies palatally to deciduous tooth, replanting may cause damage
When do the permanent incisors start to mineralise?
Around time of birth
Injuries to the deciduous tooth can cause what defects to a permanent tooth?
Disturb formation,
Could erupt with defects
Could be dilacerated
What foods should be avoided after avulsion?
Granular
Soft diet
What does a yellow tooth suggest?
Sclerosing dentine
What does a pink tooth suggest?
Bleeding in pulp
What does a grey tooth suggest?
Blood clot in dentine
What happens duringn internal resorption?
Pulp enlarges and turns pink
What advise would you give over the phone for replantation?
Rinse root
Hold by crowm
Right way round
Bite on hankie after
When does root completion happen?
3 yrs after eruption
If a tooth is avulsed before root completion what can happen?
Immature wide apex
Root may not continue to grow
Growth disturbed
PDL of avulsed tooth heals when?
7-10 days after
How should a splint be placed?
Situate on avulsed tooth and healthy teeth either side
0.5-0.6mm wire
If a fracture occurs and pulp/dentine exposed, treat how?
Partial polpotomy
La, enlarge exposure, remove diseased pulp until healthy, caoh, gi cement/composite bandage
Why js it important for a root to reach full length?
To stabilise
When seating a hall crown, why should 2 opposing crowns not be placed in the same app?
Allow time for the occlusion to settle
Wait 5,6 weeks
When priorotising crowns what teeth should be first?
Most cariosu
E’s to maintain space
What teeth does MIH effect?
First perm molars and incisors
Why does mih cause sensitivity?
Enamel is soft snd porous
What is the cause of mih?
Idiopathic
Disturbance to ameloblasts during formatiom
What should you rule out before diagjosing mih?
Caries
Fluorosis
Amelogenesis imperfecta
How can you temporise mih?
Ssc
What can be done to help teeth with sensitivtiy and mih?
Duraphat
Stannous F gel - brush with for one min after brushing and dont eat for 30 mins 1/2 x daily 12+years
Why are teeth with mih hard to restore?
Abnormal etching pattrerns
When should 6’s be extracted?
8-10 7yrs - bifurcation of 7 seen radiographically
If xla 6’s too early what can happen?
5’s can drift
Why do you need to wait for the bifurcation to take out a 6?
7 can rotate and not erupt?
If crowding may happen when should the 6’s be extracted?
After eruption of the 7
In what case would you extract without waiting to see the bifurcation?
Evidence of infection
Order and dates of deciduous dentition eruption?
Lower a 6 months Lower b 7 months Upper a 8 months Upper b 9 months Lower d 12 months Upper d 15 months Lower c 16 months Upper c 18 months Lower e 20 Upper e 24
Check what about the eruption pattern?
Check symmetry
Right order
At what ages do the perm molars erupt?
6 6
7 12
8 18
What could be a complication of a complicated root fractur?e
Pulpal necrosis
What are some signs of pulpal necrosis?
Disscolouratiom, dilaceration, pain on biting, mobility, sinus or swelling
When should follow up radiographs be taken?
4 weeks 3 months 6 months 1 yr Yearly after
How long should you splint for and why for no longer?
2 weeks
Ankylosis may occur
What is an mtu plug?
Used to close an open apex
