part 2 - orthodontics

Question 1

preventive ortho

Answer 1

allpws dentist to prevent irregularities and mallposition

Question 2

interceptive ortho

Answer 2

allows dentist to correct problems as they develop

Question 3

corrective ortho

Answer 3

allows dentist to correct already existing problems

Question 4

post op care instructions after braces

Answer 4

• floss teeth
• brush teeth after meals
• rinse mouth
• avoid eating sugary, sticky, hard, husk foods

Question 5

function of hawley appliance

Answer 5

retains teeth in their new position

Question 6

angles classification of occlusion

Answer 6

class I - normal molar positions but overcrowding in anteriors

class II
- div 1: over bite and teeth protrude outwards
- div 2: overbite and teeth retrude outwards

class III
- under bite

Question 7

principles of tooth movement

Answer 7

force on tooth induces bone resorption on pressure side

causing compression and stretching of perio ligaments

Question 8

function of headgear

Answer 8

external appliance used to move and realign teeth before braces

Question 9

components of braces and functions

Answer 9

separators
- separates teeth before fitting bands

ortho bands
- provides anchor to arch wire

bonded brackets
- fastens arch wire to tooth

arch wire
- serves as pattern for how arches will take its shape

power products
- elastic chain
- elastics
- elastic threads
- comfort tubing

Question 10

physical features of ortho molar bands

Answer 10

buttons, tubes, cleats

Question 11

power instruments

Answer 11

elastic chain
- closes spaces

elastics
- closes spaces and correct occlusion

elastic threads
- tubing used to close space or aid in eruption of impacted teeth

comfort tubing
- enhances patient comfort

Question 12

objective vs subjective symptoms

Answer 12

objective
- what we observe

subjective
- what the pt feels