risk/benefit in orthodontics Flashcards
What are the benefits of orthodontic treatment?
Improvement in:
1. Appearance - dental and facial
2. Function
3. Dental health
What are the psychological benefits of ortho?
Severe malocclusion affects facial attractiveness
Correction may improve self esteem and psychological well-being
Quality of life improvement
How are children with normal dental appearanced judged as?
More intelligent
More friendly
More desirable as a friend
Less aggressive
What aspects of the occlusion are improved with ortho?
Larger anterior open bites
Severe increased OJ
Marked reverse OJ
What is the relationship between ortho and speech defects?
Ortho tx rarely improves speech defects
What does 1 or 2 on the IOTN dental health component indicate?
No need or low need for treatment (minimal benefit)
What does 3 on the IOTN dental health component indicate?
Borderline need for treatment (some benefit)
What does a 4 or 5 on the IOTN dental health component indicate?
Need or high need for treatment (significant benefit)
What does the MOCDO acronym stand for?
Missing teeth
Overjet
Crossbites
Displacement of contact points
Overbites
What are the implications of impacted teeth?
Can cause external root resorption of adjacent teeth
Can be associated with cyst formation
What is the risk of an OJ >6mm?
Risk of trauma to the upper incisors will increase with size of OJ
Worse with incompetent lips
What are the implications of anterior crossbites?
Loss of periodontal support
Can lead to tooth wear
What are the implications of posterior crossbites?
If significant can cause asymmetry
Requires early correction
What is the link between crowding and caries?
Crowding not directly linked to increased caries risk
Crowded teeth are more difficult to clean and take longer to clean
What is the link between crowding and periodontal disease?
Weak association
Crowding can make surfaces less accessible and harder to clean
Individual motivation has bigger impact on effective brushing