CLII div 1
CLII div 2
Molar CLI & canine CLII
Molar CLII & canine CLI
Dental CLII on skeletal CLI or CLIII due to habits ?
T. Wallen
2.
Over jet & over bite
3.
• 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.
Young growing
Removable
fixed
Sever CLII 1
• Combination of orthodontic treatment and surgery
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
• 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