ORTHODONTIC CASE

Done By : Esra Mohammad

Name : Omar Hussam

Age : 9 years old

No medical conditions

reported at present.

Stage of dentition :

Late mixed dentition

Frontal view

Bilateral :

Symmetrical

PROFILE

Straight Lips are together in centric occlusion

INTRA ORAL VIEWS Anterior view :*Anterior crossbite on tooth (21)* Upper shift to right

MODEL ANALYSIS Tanaka and Johnston analysis :Sum of lower C.I = 2626 / 2 = 13For lower : 13 + 10.5 = 23.523.5 x 2 = 4747 + 6 + 7 + 6 + 7 = 73 = tooth material in

lower arch .For upper :13 + 11 = 24 x 2 = 4848 + 9.5 + 7.5 + 10 + 7.5 = 82.5 tooth

material in the upper arch .

CEPHALOMETRIC RADIOGRAPH

Cephalometric analysis

Dental Evaluation SN 96ـــــــــــــ

NA 21ـــــــــــــ

IMPA 86ـــــــــــــ

NB 24ـــــــــــــ

ــــــــــــــ ــــــ 136ــ

Result : retroclaine of lower incisors.

Anterior

There is crowding in lower anterior teeth

Right Left

TREATMENT OBJECTIVESTo correct upper left lateral incisor

Treatment Plan :Hawley’s appliance with Z-spring on 21

Anterior

Right Left

Activation of Z-spring

Anterior

Right Left

Thank you