Paeds tutorials

Question 1

History takihg for an avulsed tooth, questions?

Answer 1

When did it happen
Any other injuries
Any signs of lost consciousness

Question 2

What should an avulsed tooth be stored in and why?

Answer 2

Milk or saline - isomolar solutions will keep tooth viable

Question 3

Why would you not replant an avulsed primary tooth?

Answer 3

Permanent successor lies palatally to deciduous tooth, replanting may cause damage

Question 4

When do the permanent incisors start to mineralise?

Answer 4

Around time of birth

Question 5

Injuries to the deciduous tooth can cause what defects to a permanent tooth?

Answer 5

Disturb formation,
Could erupt with defects
Could be dilacerated

Question 6

What foods should be avoided after avulsion?

Answer 6

Granular

Soft diet

Question 7

What does a yellow tooth suggest?

Answer 7

Sclerosing dentine

Question 8

What does a pink tooth suggest?

Answer 8

Bleeding in pulp

Question 9

What does a grey tooth suggest?

Answer 9

Blood clot in dentine

Question 10

What happens duringn internal resorption?

Answer 10

Pulp enlarges and turns pink

Question 11

What advise would you give over the phone for replantation?

Answer 11

Rinse root
Hold by crowm
Right way round
Bite on hankie after

Question 12

When does root completion happen?

Answer 12

3 yrs after eruption

Question 13

If a tooth is avulsed before root completion what can happen?

Answer 13

Immature wide apex
Root may not continue to grow
Growth disturbed

Question 14

PDL of avulsed tooth heals when?

Answer 14

7-10 days after

Question 15

How should a splint be placed?

Answer 15

Situate on avulsed tooth and healthy teeth either side

0.5-0.6mm wire

Question 16

If a fracture occurs and pulp/dentine exposed, treat how?

Answer 16

Partial polpotomy

La, enlarge exposure, remove diseased pulp until healthy, caoh, gi cement/composite bandage

Question 17

Why js it important for a root to reach full length?

Answer 17

To stabilise

Question 18

When seating a hall crown, why should 2 opposing crowns not be placed in the same app?

Answer 18

Allow time for the occlusion to settle

Wait 5,6 weeks

Question 19

When priorotising crowns what teeth should be first?

Answer 19

Most cariosu

E’s to maintain space

Question 20

What teeth does MIH effect?

Answer 20

First perm molars and incisors

Question 21

Why does mih cause sensitivity?

Answer 21

Enamel is soft snd porous

Question 22

What is the cause of mih?

Answer 22

Idiopathic

Disturbance to ameloblasts during formatiom

Question 23

What should you rule out before diagjosing mih?

Answer 23

Caries
Fluorosis
Amelogenesis imperfecta

Question 24

How can you temporise mih?

Answer 24

Ssc

Question 25

What can be done to help teeth with sensitivtiy and mih?

Answer 25

Duraphat

Stannous F gel - brush with for one min after brushing and dont eat for 30 mins 1/2 x daily 12+years

Question 26

Why are teeth with mih hard to restore?

Answer 26

Abnormal etching pattrerns

Question 27

When should 6’s be extracted?

Answer 27

8-10 7yrs - bifurcation of 7 seen radiographically

Question 28

If xla 6’s too early what can happen?

Answer 28

5’s can drift

Question 29

Why do you need to wait for the bifurcation to take out a 6?

Answer 29

7 can rotate and not erupt?

Question 30

If crowding may happen when should the 6’s be extracted?

Answer 30

After eruption of the 7

Question 31

In what case would you extract without waiting to see the bifurcation?

Answer 31

Evidence of infection

Question 32

Order and dates of deciduous dentition eruption?

Answer 32

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

Question 33

Check what about the eruption pattern?

Answer 33

Check symmetry

Right order

Question 34

At what ages do the perm molars erupt?

Answer 34

6 6
7 12
8 18

Question 35

What could be a complication of a complicated root fractur?e

Answer 35

Pulpal necrosis

Question 36

What are some signs of pulpal necrosis?

Answer 36

Disscolouratiom, dilaceration, pain on biting, mobility, sinus or swelling

Question 37

When should follow up radiographs be taken?

Answer 37

4 weeks
3 months
6 months
1 yr
Yearly after

Question 38

How long should you splint for and why for no longer?

Answer 38

2 weeks

Ankylosis may occur

Question 39

What is an mtu plug?

Answer 39

Used to close an open apex