Preventive orthodontics

Question 1

PREVENTIVE MEASURES

Answer 1

1. Caries control
2. Parent counseling
3. Space maintenance
4. Exfoliation of deciduous teeth
5. Abnormal frenal attachments
6. Treatment of locked permanent first molars
7. Abnormal oral musculature and related
   habits
8. Extracting supernumerary teeth

Question 2

Caries control

Answer 2

Diet counselling
Topical fluoride application
Pit and fissure sealant
Educating parents
6 months-1year
2 years
3 years
5-6 years

Question 3

Abnormal oral habits

Answer 3

Tongue thrusting
Hyperactive mentalis
Thumb/lip/digit sucking
Mouth breathing

Question 4

Anchorage loss is prevented by

Answer 4

Nance palatal button
Trans-palatal arches
Lingual arches

Question 5

Exfoliation Of Deciduous Teeth

Answer 5

– Over-retained deciduous/root stumps.
– Fibrous gingivae.
– Ankylosed/submerged deciduous teeth to be assessed radiographically.
– Restoration overhangs of the adjacent tooth.
– Presence of any supernumerary tooth.

Question 6

Ideal Requirements Of Space Maintainers

Answer 6

1. maintain the desired mesiodistal dimensions
2. not interfere with the eruption of the permanent teeth.
3. maintenance of functional movement of the teeth.
4. allow for space regainence
5. lessermaintenanceandcooperationwithuse of fixed space maintainers

Question 7

Distal Shoe Space Maintainer

Answer 7

Types:
– Willets – Bar type gingival extension.
– Roche’s – ‘V’ shaped gingival extension

Contraindications:
– If several teeth are missing in same
quadrant as there is lack of abutment.
– Medically compromised patients
– Poor oral hygiene.
– Lack of patient or parental cooperation