Treatment of CLII malocclusion

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Treatment of CLII malocclusion
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CLII can be classified into

• CLII div 1
• CLII div 2

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What we mean by CLII
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Some times

• Molar CLI canine CLII
• Molar CLII canine CLI
• Dental CLII on skeletal CLI or CLIII due to
  habits ?

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T. Wallen
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Etiology of class II

• 1. skeletal

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2. Soft tissue
Over jet over bite
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3. Dental factor

• In case of large teeth size so we either have

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• In association with skeletal relationship
• the muscles of the
• lips and tongue govern
• the inclination and degree of vertical
  development of the incisors, and thus govern
  the incisal overjet and overbite.

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Treatment objectives in CLII div1

1. Relief of crowding
2. Reduction of over bite
3. Reduction of over jet
4. Correction of CLII of buccal segment teeth

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Treatment of class II division 1

• There are many factors that must be taken in Mind
  during treatment
• I- Age of the patient.
• 2-severity of the cases.
• 3- Patient's cooperation.

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• If the patient is growing start with CLII
  correction.
• But CLII should be due to antero posterior.
• But if it was due to vertical problem so further
  growth of the mandible will lead to posterior
  rotation of the mandible and
• in competent lips.

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Types of treatments

• Young growing

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adult

• Removable
• fixed

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Sever CLII 1

• Combination of orthodontic treatment and surgery

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Treatment by removable appliance

• CLII div 1
• Skeletal CLI or mild sk. CLII
• Canine mesially angulated
• Cooperative patient

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• NOTE
• always correct the overbite- before
• the
• overjet correction

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Treatment by removable appliance

• Stage 1
• Exo. Up. 4
• Adam 56
• Finger spring or BCR on 3
• Fitted labial arch
• Acrylic base plate
• Ant. Bite plane (flat or inclined)

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(No Transcript)
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Stage 2

1. Double Adam clasp 56
2. Stoppers C clasp 3
3. Ant bite plane
4. Robert retractor 2112

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Stage 3

• Retainer
• Adam 6
• Hawly
• Acrylic base plate

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Treatment by fixed appliance

• Canine vertically or distally angulated
• Upper incisors not proclined
• 90 degree rotation
• Moderate sever CLII
• Residual space
• Increased over bite

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Surgical correction

• Adult
• Vertical maxillary excess
• Gummy smile
• Retruded mandible

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• The crown of lower third molar is suspected to be
  completed in age of -------
• 6-9 years
• 18-24 years
• 10-14 years
• 12-16 years