SOS. Curriculum Course Contents 2022 - COURSE NO. 07
THE EDGEWISE BIOMECHANICS (PART III) TREATMENT OF CLASS III NONSURGERY CASE-EXTRACTION OF THE TEETH 15,25,34 AND 44 AND EARLY ORTHOPEDIC TREATMENT
FOR CLASS III CASES


COURSE CONTENTS:

Day 1 - Wednesday

10.00 Continue of the old Typodont Set-up. The Finishing Phase

General Discussion of any problems
Case conference. Diagnosis & Treatment planning

12.30 Lunch
14.00 TREATMENT PLANNING OF CLASS III NONSURGERY

Control of the Transverse Dimension
Rapid Maxillary Expander
Biedermann-Hyrax and Bonding type
Face mask. When & How to use. Over-correction in the maxilla.

TREATMENTS PLANNING FOR CLASS III

A. Early treatment and 2 phase treatment
B. Treatment for Teenager and precaution.
C. Treatment for Adult and precaution.
D. Extraction vs. Nonextraction. Open-bite vs. Deep-bite cases

TYPODONT SET UP:

In Class III malocclusion or Class III tendency. Protrusion of the maxillary anterior teeth. Moderate crowding with palatally erupted. #12 or #22 or both.
One max. canine highly erupted. Retrusion of the mand. anterior teeth
Overbite = 3-4 mm Overjet = -3 mm and anterior x-bite
In the class the teeth 15,25,34 and 44 will be extracted

18.00 Class finish

Day 2 - Thursday

10.00 Control of the Vertical Dimension

Extraction pattern and timing
Characteristics of the Class III extraction case
Failures in Class III extraction therapy
Open space for palatally erupted #12 or #22
The Adjustment phase. How should the case look at the end of this phase?
The retention phase and Retainers

12.30 Lunch
14.00 WIRE BENDING EXERCISE :

Maxillary 0.016 SS leveling arch wire with stop-loop between 11 and 21 and
coil spring for space opening for 12 and 22.
Mand. 0.016 SS leveling arch wire with tie-back loops mesial to 16, 26 or
Mand. 0.016 x 0.022 D-RECT arch wire
Maxillary 0.016 x 0.016 SS intermediate arch wire with std. closing loops distal to 14, 24 or
in clinical situation 0.016 x 0.022 TMA arch wire is recommended.
Mand 0.016 x 0.016 SS intermediate arch wire with std. closing loops distal to 43 and 33
Maxillary 0.016 x 0.022 CAW with std. closing loops distal to 14, 24
Maxillary 0.016 x 0.022 FAW with std. closing loops distal to 16, 26 to engage max. 2nd molars or
Maxillary 0.016 x 0.022 FAW with 2 Teardrop loops distal to 12, 22 and T.B. loops distal to 16, 26 to engage max. 2nd molars

18.00 Class finish

Day 3 - Friday

10.00 Revision of the previously taught principles of the edgewise technique

Control of the Sagittal Dimension
Biomechanics for correction of Anterior X-Bite
The roll of interincisal angle
The inclination of the max. anterior teeth and TMD
Over-retraction of the mand. anterior teeth
Mandibular posterior bite plate/ Bonded type

WIRE BENDING EXERCISE :

Mandibular 0.017 x 0.022 contraction arch wire with bull loops distal to 43, 33 with intrusion step for anterior segment, # 37 and #47 are engaged, the sweep and progressive torque in the posterior segments
12.30 Lunch
14.00 Conclusions:

Biomechanics during 5 treatment phases of

A. Class III Open-bite cases
B. Class III Deep-bite cases
C. Class III Asymmetry cases

Retraction technique (see details in Biomechanic Manual)

15.00 Class finish

WHAT TO BRING ALONG?

Pliers & Wires (size see above)
Wire Bending Exercise Book & other Manuals
1 Articulator (Typodont) with acrylic white teeth
1 set of 018 slot Mini WICK Brackets (ORMCO)
Banded with Alexander 1st & 2nd molar bands (washbon),
Open coil spring
1 Super glue
1 Set cementation kit
1 "Stabilo" Waterproof Marker, Medium Black






SOS. Curriculum Course Contents 2022



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