Risks & Benefits

Question 1

What are the main risks of fixed orthodontic treatment?

Answer 1

1. Decalcification
2. Root resorption
3. Relapse

Question 2

How is decalcification prevented in fixed orthodontic treatment?

Answer 2

1. Case selection
2. Establish good OH (HPT)
3. Diet advice
4. Fluoride
   - -> High risk duraphat 2,800ppm x2 daily (normal toothpaste other times)
   - -> Otherwise normal advice re TP & mw
   - -> Varnish (22,600ppm) 4 monthly

Question 3

How is relapse managed?

Answer 3

1. Case selection
   - -> Avoid mild cases
   - -> Inform retainers part of tx
2. Retainers

Question 4

What are the risk factors for root resorption?

Answer 4

1. Type of tooth movement (prolonged, high force, intrusion, large movements, torque)
2. Root morphology (blunt, pipette, resorbed already)
3. Prev trauma
4. Nail biting
5. Short root syndrome

Question 5

What are the ‘other’ risks of orthodontic treatment?

Answer 5

• Soft tissue trauma
• Recession
• Loss of PD support
• Tooth wear/ enamel #
• Loss of vitality
• Allergy
• Failed tx

Question 6

What are the benefits to orthodontic treatment?

Answer 6

1. Improved appearance (psychological)
2. Improved function (speech, mastication)
3. Improved occlusal stability
4. Improved dental health