Orthodontic biomechanics and anchorage

This course will take you from zero to hero of the following orthodontic topics: Orthodontic tooth movement; Biomechanics of tooth movement and Anchorage.

Here are the main headlines that this course covers:

Orthodontic tooth movement

1. Role and structure of periodontal ligament

2. Theory of tooth movement

3. Optimal orthodontic force

4. Tissue response to orthodontic force

4.1 Changes in the pressure zone

4.2 Changes in the tension zone

5. Stages of tooth movement

6. Types of force based on magnitude and force decay.

7. Effects on drugs on the response to orthodontic force

Biomechanics of tooth movement

1. Introduction

2. Laws of Newton

3. Definition of force

4. Definition of center of resistance

5. Center of rotation

6. Definition of moment

7. Types of dental movements

7.1 Tipping

7.2 Translation

7.3 Root movement

7.4 Rotation

7.5 Intrusion

7.6 Extrusion

8. Definition of a couple

9. Static equilibrium

10. Action and reaction

11. Deep bite correction

12. Correction of bilateral posterior open bite

13. Correction of anterior cross bite

14. Use of V bend

15. Diastema closure

Anchorage

1.Introduction

1.Definition for anchorage

2. Classification of anchorage

2.1 Intraoral or extraoral

2.2 Intramaxillary and intermaxillary

2.3 Type A, Type B, Type C

3. Intramaxillary anchorage

• Anchorage preparation

• Soft tissue anchorage

• Free anchorage

4. Intermaxillary anchorage

5. Extraoral anchorage

6. Indications for anchorage

7. Factors to consider determining the type of anchorage

8. Tips to reinforce posterosuperior anchorage

9. Tips to reinforce anteroinferior anchorage

10. Types of anchorage

10.1.1. Minimal Anchorage.

• Stops.

• Tip back.

• Arch wire tie back.

• Toe-in, Toe-Out.

• Retro-ligature.

• Intermaxillary elastics.

• Lip Bumper.

10.2. Moderate Anchorage.

• Nance Button.

• Transpalatine Arch (TPA).

• Lingual Arch

10.3. Maximum or Severe Anchorage.

• Chromosome arch.

• Transpalanance

10.4. Absolut Anchorage