3rd year

Question 1

longest interval for child recall?

Answer 1

12months

Question 2

child recall in high risk?

Answer 2

3months

Question 3

what is classical conditioning?

Answer 3

make environment different to situations child has felt scared before

Question 4

what is operant conditioning?

Answer 4

reward good behaviour

Question 5

what is ICCMS?

Answer 5

international caries classification + management system

Question 6

what is sensitivity?

Answer 6

probability of getting a false negative

high sensitivity = low false negative

Question 7

what is specificity?

Answer 7

probability of getting a false positive

high specificity = low false positive

Question 8

how do children gingiva look different to adults?

Answer 8

more vascular, thinner ep, less keratinisation, fewer CT

= redder, can be confused for inflammation

Question 9

how can puberty effect gingiva

Answer 9

change in hormones can lead to chronic gingivitis

if severe = aggressive periodontal disease

Question 10

what anticonvulsant can cause gingival hyperplasia?

Answer 10

phenytoin

Question 11

difference between major + minor gingivitis artefacta

Answer 11

major = loss of periodontal support

Question 12

what happens in Reyes syndrome?

Answer 12

brain + liver damage

Question 13

how to manage natal/neonatal teeth?

Answer 13

only remove if:

1. mobile
2. interfere with feeding
3. inflammation/ulcers

natal = birth, neonatal = 30days after birth

Question 14

what is ferric sulphate used for?

Answer 14

haemorrhage control

Question 15

when carrying out a pulpotomy on a primary molar, what is profuse haemorrhage a sign of ? and how should it be treated?

Answer 15

serious inflammation of radicular pulp

intermediate dressing with ledermix

second visit - pulpotomy

should orginally stop bleeding in <3mins

Question 16

why is formaldehyde CI in pulpotomy?

Answer 16

carcinogenic

Question 17

how does MTA work?

Answer 17

stimulates cytokine release from plural fibroblasts, stimulating hard tissue formation

Question 18

which primary teeth would you consider RCT in?

Answer 18

non-vital Es only - all others extract

Question 19

what do you use instead of gutta percha in primary RCT?

Answer 19

resorbable paste

Question 20

what causes a tooth to turn pink?

Answer 20

internal resorption

Question 21

4 causes of systemic intrinsic enamel staining?

Answer 21

amelogenisis imperfecta
fluorisis
systemic illness
idiopathic

Question 22

5 causes of local intrinsic dentine staining?

Answer 22

1. necrotic pulp
2. metal ions from amalgam
3. root canal filling materials
4. caries
5. internal resorption

Question 23

4 causes of systemic intrinsic dentine staining?

Answer 23

1. dentinogenous imperfecta
2. tetracycline
3. congenital porphyria
4. liver problems = xs bilirubin stain teeth green/yellow

Question 24

4 treatments for discoloured teeth in children?

Answer 24

1. enamel micro-abrasion
2. whitening - vital + non-vital
3. veneers
4. crowns

Question 25

when is micro abrasion indicated?

Answer 25

1. white/brown marks intrinsic in outer layer of enamel 2. turner teeth 3. fluorosis 4. idiopathic speckling 5. post-ortho demineralisation 6. prior to veneers

Question 26

what chemicals are used for micro-abrasion?

Answer 26

37% phosphoric acid or 18% HCL then sodium bicarbonate + water fluoride paste

Question 27

what is it important to tell pt after micro-abrasion?

Answer 27

dont eat coloured food for 12hrs enamel can look creamier

Question 28

what is orobase used for?

Answer 28

protect gingivae in tooth whitening

Question 29

legal max percentage of hydrogen peroxide?

Answer 29

6%

Question 30

what chemical is used for tray based whitening of vital teeth?

Answer 30

10% carbamide peroxide - releases 3% hydrogen peroxide

Question 31

2 techniques used for non-vital bleaching?

Answer 31

walking bleach | inside/outside bleaching

Question 32

after removing 1-2mm of GP what must be placed over the root filling for walking bleach/inside out technique?

Answer 32

zinc phosphate cement/ GIC

Question 33

what % of carbamide peroxide is used for walking bleaching?

Answer 33

35%

Question 34

why are therm-catalytic techniques for walking bleaching CI?

Answer 34

risk of cervical resorption osteoclast activity increases as pH decreases

Question 35

how many acidic intakes a day is classed as high risk for erosion?

Answer 35

>4

Question 36

when does hypominerlisation in MIH happen?

Answer 36

post eruption

Question 37

how can hypomineralised enamel effect restoration?

Answer 37

reduced bond strength

Question 38

does amelogenisis imperfecta have more effect on primary or permanent teeth?

Answer 38

primary

Question 39

does dentinogenesis imperfecta have more effect on primary or permanent teeth?

Answer 39

permanent