General

Question 1

List 4 things that can determine prognosis of a traumatised tooth.

Answer 1

Type of fracture
Complicated or not
Maturity of tooth; apex closed or open
Mobility
Vitality of the pulp

Question 2

List 5 possible treatment options for impacted molars.

Answer 2

Leave and monitor
Antibiotics and analgesics
Ortho separator
Ortho appliance attached to 6 to bring into position
Surgical extraction

Question 3

A patient has an avulsion of a permanent incisor. What advice do you give?

Answer 3

Reassure
Do not handle the tooth by the root
Gently rinse any debris off under cold water
Reimplant ASAP or store in saliva, milk, saline
Come to dentist immediately

Question 4

Give 3 storage mediums for an avulsed tooth.

Answer 4

Saliva
Milk
Saline solution

Question 5

Give 4 extra-oral features of Down’s Syndrome.

Answer 5

Atlanto-axial instability
Oblique palpebral fissures
Thick fissured dry lips
Epilepsy
Hearing problems
Small midface

Question 6

Name 4 medical features associated with Down’s Syndrome.

Answer 6

Congenital heart defects
Alzheimer’s disease
Epilepsy
Leukaemia
Hearing impairment
Diabetes
Coeliac disease
Thyroid disease
Intellectual impairment

Question 7

Name 4 intra-oral features associated with Down’s Syndrome.

Answer 7

Large fissured togue/macroglossia
Maxillary hypoplasia
High arched palate
AOB
Class III malocclusion
Hypodontia
Microdontia
Increased periodontal disease due to immunocompromised

Question 8

How can you manage fluorosis?

Answer 8

Accept
Microabrasion
Composite veneers
Porcelain veneers (<18 yrs)
Can try bleaching but may make white spots whiter too

Question 9

What splint is used for an avulsed tooth?

Answer 9

Flexible 2 weeks

Question 10

Mum phones dentist telling them that their child has swallowed fluoride toothpaste and is worried. What 3 questions should you ask the mum?

Answer 10

How old is the child?
What concentration of fluoride is in the toothpaste?
How much did they swallow?
How much the child weighs?

Question 11

What timeframes in a child’s life are implicated in MIH?
Why?

Answer 11

Pre, neo and post natal
Development of 6s (7/12 IU) and 1s (up to 6/12 after birth) during these periods

Question 12

What are the topical effects of fluoride?

Answer 12

Promote remineralisation of teeth
Bactericidal
Remineralise enamel as fluoroxyapatite

Question 13

What are the effects of primary tooth trauma on a primary tooth?

Answer 13

Discolouration
Infection
Delayed exfoliation

Question 14

What are the effects of primary tooth trauma on a permanent tooth?

Answer 14

Enamel defects
Delayed eruption
Arrested development
Abnormal morphology

Question 15

When does complete apexogenesis occur?
What is this?

Answer 15

Approx 1.5yrs after eruption
When the apex of the root closes

Question 16

What is the order of eruption in primary teeth?

Answer 16

A, B, D, C, E
Lowers before uppers

Question 17

When do upper A’s erupt?
When do lower A’s erupt?

Answer 17

8-12 months
6-10 months

Question 18

When do upper B’s erupt?
When do lower B’s erupt?

Answer 18

9-13 months
10-16 months

Question 19

When do upper C’s erupt?
When do lower C’s erupt?

Answer 19

16-22 months
17-23 months

Question 20

When do upper D’s erupt?
When do lower D’s erupt?

Answer 20

13-19 months
14-18 months

Question 21

When do upper E’s erupt?
When do lower E’s erupt?

Answer 21

25-33 months
23-31 months

Question 22

What is the eruption sequence of permanent teeth in the maxilla?

Answer 22

6,1,2,4,5,3,7,8

Question 23

What is the eruption sequence of permanent teeth in the mandible?

Answer 23

6,1,2,4,5,3,7,8

Question 24

When do 6’s erupt?

Answer 24

Upper- age 6
Lower- age 6

Question 25

When do 1’s erupt?

Answer 25

Upper- age 7-8
Lower- age 6-7

Question 26

What is leeway space?

Answer 26

Extra mesio-distal space occupied by the primary molars which are wider than the premolars that replace them

Question 27

When do 2’s erupt?

Answer 27

Upper- age 8-9
Lower- age 7-8

Question 28

When do 3’s erupt?

Answer 28

Upper- age 11-13
Lower- Age 9-11

Question 29

When do 4’s erupt?

Answer 29

Upper- 10-11 years
Lower- 10-11 years

Question 30

When do 5’s erupt?

Answer 30

Upper- 10-12 years
Lower- 10-12 years

Question 31

When do 7’s erupt?

Answer 31

Upper- 12-13 years
Lower- 11-13 years