CLII can be classified into

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Treatment of CLII malocclusion

CLII can be classified into

CLII div 1

CLII div 2

What we mean by CLII

Some times

Molar CLI & canine CLII

Molar CLII & canine CLI

Dental CLII on skeletal CLI or CLIII due to habits ?

T. Wallen

Etiology of class II

1. skeletal

2.

Soft tissue

Over jet & over bite

3.

Dental factor

• In case of large teeth size so we either have

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.

3.

4.

1.

2.

Treatment objectives in CLII div1

Relief of crowding

Reduction of over bite

Reduction of over jet

Correction of CLII of buccal segment teeth

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.

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.

Types of treatments

Young growing

Removable

 fixed

adult

Sever CLII 1

• Combination of orthodontic treatment and surgery

Treatment by removable appliance

 CLII div 1

 Skeletal CLI or mild sk. CLII

 Canine mesially angulated

 Cooperative patient

NOTE: always correct the overbite before the overjet correction

Treatment by removable appliance

 Stage 1

Exo. Up. 4

1.

Adam 56

2.

Finger spring or BCR on 3

3.

Fitted labial arch

4.

Acrylic base plate

5.

Ant. Bite plane (flat or inclined)

Stage 2

1.

2.

3.

4.

Double Adam clasp 56

Stoppers C clasp 3

Ant bite plane

Robert retractor 2112

Stage 3

 Retainer

 Adam 6

 Hawly

 Acrylic base plate

Treatment by fixed appliance

1.

Canine vertically or distally angulated

2.

Upper incisors not proclined

3.

90 degree rotation

4.

Moderate – sever CLII

5.

Residual space

6.

Increased over bite

Surgical correction

• Adult

• Vertical maxillary excess

• Gummy smile

• Retruded mandible

ىده ريطتسي هـــــجوو رينم هجو

اد غ ةاجنلاو ايند زوفلا امهيفــــــف

ادنس يغتبي رهـظل دانـــــــسلا امه

ادبع ام الله ريغ قحلل ناهــــــجو

امهب مصتعاف ىسومو داوجلا امـه

دمع هب تحاط نمل دامعلا امــــــه

3.

4.

1.

2.

 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

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