Orthodontic Appliances Question And Answers

Orthodontic Appliances General Concepts Short Questions

Question 1. Advantages and disadvantages of removable appliances.
Answer.

Removable Appliances Advantages:

• Oral hygiene maintenance
• Useful in tipping movement
• Less chair time
• Convenient to operators to handle more patient
• Fewer forces required
• Not technique sensitive
• Easy to fabricate
• Relatively cheaper
• Damaged appliances can be replaced

Removable Appliances Disadvantages:

• Poor patient cooperation
• Capable of only tipping movement
• Prolonged duration of treatment
• Difficult to treat multiple rotations
• Difficult to close residual space created due to extraction
• Risk of damaging and misplacing appliances by patient
• Cannot be used to treat severe cases of Class 2 and Class 3 malocclusions with unfavorable growth pattern

Question 2. Ideal requisites of Orthodontic appliances.
Answer.

• Biologic requirements:
  • Able to result in desired tooth movement
  • Should not create any damage to oral structures
  • Should not interfere with growth
  • Should not interfere with oral functions
  • Should not create unwanted tooth movement
  • Biocompatible
  • Should not disintegrate
• Mechanical requirement
  • Simple to fabricate
  • Not bulky
  • Strong to withstand forces
  • Able to apply forces to tooth
  • Universal applicable
• Hygienic
  • Should be self-cleansing
• Esthetic
  • Esthetically acceptable

Orthodontic Appliances General Concepts Short Questions And Answers

Question 1. Disadvantages of Fixed Appliances.
Answer.

• Difficult to maintain oral hygiene
• More time consuming
• More chair time required
• Technique sensitive
• May apply misdirected forces
• Frequent visits required
• Expensive

Question 2. Advantages of Fixed Appliances.
Answer.

• Cooperation of the patient is achieved
• Various tooth movements are possible
• Tooth movement of multiple teeth is possible simultaneously
• Good occlusion is achieved
• More precise tooth movements are possible

Read And Learn More: Orthodontics Short And Long Essay Question And Answers 

• Can be used in complicated malocclusions
• Better anchorage is obtained
• Management of appliances possible
• Convenient for the operator as no need for timely wear of the appliance
• Less time for treatment required

Question 3. Ideal requirements of removable appliances.
Answer.

• Biologic requirements:
  • Able to result in desired tooth movement
  • Should not create any damage to oral structures
  • Should not interfere with growth
  • Should not interfere with oral functions
  • Should not create unwanted tooth treatment
  • Biocompatible
  • Should not disintegrate
• Mechanical requirement:
  • Simple to fabricate
  • Not bulky
  • Strong to withstand forces
  • Able to apply forces to tooth
  • Universal applicable
• Hygienic:
  • Should be self-cleansing
• Esthetic:
  • Esthetically acceptable

Question 4. Advantages of removable appliances.
Answer.

• Oral hygiene maintenance
• Useful in tipping movement
• Less chair time
• Convenient for the operator to handle movement
• Fewer forces required
• Not technique sensitive
• Easy to fabricate
• Relatively cheaper
• Damaged appliances can be replaced