SAQ weak spots

Question 1

treatment of MIH (functional not aesthetic)

Answer 1

1. prevention - high fluoride toothpaste, FV 4x year, tailored OHI, diet advice
2. sesnsitivity - tooth mousse may be recommended if suitable
3. Fissure sealants - good for molars with no breakdown
4. Composite restorations for teeth with enamel breakdown

Question 2

name 4 advantages of removable appliances

Answer 2

good oral hygiene
easy to clean
good anchorage
good for tipping teeth
cheap to make
less time chairside

Question 3

name 2 conditions/circumstances that may see delayed eruption of primary teeth

Answer 3

preterm birth
nutritional deficiency
chromosomal abnromality e.g down syndrome

Question 4

name 3 conditions that may see delayed eruption of permanent teeth (local and systemic)

Answer 4

local:
ectopic position of tooth germ
supernumerary tooth in way
crowding
trauma

systemic:
cleidocranial dystosis
down syndrome
nutritional deficiency
hypothyroidism
hereditary gingival fibromatosis

Question 5

how are infra occluded teeth graded

Answer 5

1 - occlusal surface above contact points of adjacent tooth
2 - occlusal surface at contact point
3 - occlusal surface below

Question 6

what is the incidence of infra occlusion in primary molars

Answer 6

8%

Question 7

what is behaviour management

Answer 7

focuses on communication and education
aims to build trusting relationship between dentist and patient
encourages patient to have positive attitude towards oral health

Question 8

name 3 types of communicative management techniques

Answer 8

tell show do
distraction
positive reinforcement
voice control

Question 9

what drug is commonly used for inhalation sedation

Answer 9

nitrous oxide

Question 10

contraindications of inhalation sedation

Answer 10

severe COPD
claustrophobia/ fear of the mask
common cold
tonsilitis
1st trimester of pregnancy

Question 11

name 2 skeletal and 2 dental changes that occur when using a functional appliance

Answer 11

skeletal:
promotion of mandibular growth
restriction or redirection of maxillary growth
increase of LAFH

dental:
retroclination of upper incisors
proclination of lower incisors
mesial movement of lower teeth
distal movement of upper teeth

Question 12

an IOTN aesthetic score of what indicates a need for treatment

Answer 12

score 8-10 = definite tx need
5-7 = borderline

Question 13

name 4 potential causes of a midline diastema

Answer 13

hypodontia
tooth size: arch size discrepancy
midline supernumerary
low labial frenum
proclination of upper labial segment

Question 14

name 3 dental anomalies that commonly occur in cleft patients

Answer 14

hypodontia
supernumeraries
delayed eruption
hypoplasia

Question 15

what malocclusion is commonly seen in CLP

Answer 15

class III

Question 16

what strength of tooth paste should be used by
- children under 3
- children 3-7
- over 7
- high risk 10 to 16
- high risk over 16

Answer 16

• under 3 smear of 1000ppm
• 3-7 1350ppm
• 7+ 1500ppm
• high risk 10-16 = 2800ppm
• high risk 16+ = 5000ppm

Question 17

name 3 proposed methods of mass fluoride delivery (in particular to children) and mention a pro and con

Answer 17

water - very cheap , ethical concerns
salt - cheap, encouraging salt intake?
milk - cheap , not everyone likes milk

Question 18

intramembranous vs endochondral ossification

Answer 18

intramembranous - bone developsdirect from primitive mesenchymal tissue
endochondral - cartilage precursor

Question 19

2 examples of intramembranous bones

Answer 19

flat bones
maxilla
frontal
mandible

Question 20

2 examples of endochondral ossification

Answer 20

ethmoid
sphenoid

Question 21

turners tooth (turners hyoplasia)

Answer 21

An enamel defect in the permanent teeth caused by periapical inflammatory disease in the overlying primary tooth