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Types of Removable Orthodontic Appliances

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Types of Removable Orthodontic Appliances

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Questions and Answers

Which appliance is designed to encourage passive expansion, deposition of bone laterally, and remove pressure from the upper lip?

Lip pads

Monobloc appliance

Frankel appliance

Buccal shields (correct)

What is the best time for treatment of skeletal Class III due to mandibular excess?

8-10 yrs 'early mixed dentition'

11-15 yrs 'Late mixed/ early permanent dentition'

CS1, CS2 'pre-pubertal stage'

CS3-CS4 and MUST continue until the age of 16-18 years (correct)

What is the most popular type of fixed functional appliance developed to allow for full-time action?

Monobloc appliance

Frankel appliance

Herbst appliance (correct)

Twin block appliance

What does a Frankel appliance achieve with the use of wires and acrylic shields?

Displace the cheeks and lips away from the teeth (A) Signup and view all the answers

What is the purpose of bite blocks that interlock in occlusion to posture the mandible forwards?

Keep the mandible in position and posture it forwards (A) Signup and view all the answers

What is used for treatment of patients with skeletal Class II due to maxillary excess by restricting further maxillary growth?

<ol> <li>A face bow. 2. Means of intraoral attachment. 3. Head cap/ neck strap. 4. Means of elastic traction. (B)</li> </ol> Signup and view all the answers

When is Class II mandibular deficiency best treated?

Just before the pubertal growth spurt (A) Signup and view all the answers

What does a Herbst appliance deliver through using extra oral means to result in a skeletal effect?

Orthopedic force (B) Signup and view all the answers

What can be incorporated into a Twin block appliance?

Expansion screws for passive expansion and bone deposition laterally (B) Signup and view all the answers