Extractions in orthodontics: aligners, braces, microimplants, transpalatal arches

Extractions in orthodontics: aligners, braces, microimplants, transpalatal arches

Category: Orthodontics

Instructor(s): Marco Rosa, Helder Jacob, Saulo Gribel, Marino Musilli, Alfredo Gilbert, Ektor Grammatopoulos, Anderson Mamede

Course structure: Lessons: 7 lessons | Duration: 8 h 14 min

Course overview

To extract or not to extract, that is the question. And we have prepared a comprehensive answer!

Analysis from A to Z of extraction methods in orthodontic treatment, selection thinking strategies and clinical cases. With the new course you will learn:

Course lessons

Lesson 1: Biomechanics of space closure. Аnchorage control

• Biomechanical considerations for controlling tooth movement
• Biomechanics for predictable tooth movement
• Mechanics of space closure:
• Protocols of sliding mechanics
• Protocols of friction-free space closure mechanics.
• Determining the ratio of anterior retraction to posterior protraction
• Choosing between one-step and two-step retraction technique
• Implementing Mini Screw Implants (MSIs) for space closure management
• Step-by-step analysis of space closure cases using the one-step retraction technique
• Step-by-step analysis of space closure cases using the two-step retraction technique
• Step-by-step analysis of space closure cases with the application of miniscrews for maximum anchorage.

Lesson 2: Serial extraction in mixed dentition. Germectomy

• Treatment plan:
• Serial extraction
• Expansion
• Leeway.
• Ideal cases for serial extraction
• Non-extraction protocol
• Slicing of the deciduous teeth
• Ways of lower anterior crowding prevention
• Appliances for maxilla expansion
• Germectomy: timing, indications and contraindication, surgical treatment options
• Early correction of recession.

Lesson 3: Extraction of maxillary premolars and space closure

• Choosing the teeth to be extracted according to the malocclusion
• Anchorage
• Biomechanical perspective
• Types of tooth movements
• Biomechanics of space closure
• Types of retractions
• Vertical control
• Class 2 Division 1 corrections clinical cases
• Class 2 Division 2 corrections clinical cases.

Lesson 4: Hinge mechanics and TPA mechanics to close spaces

• Biomechanics of space closure
• Hinge mechanics: definition
• How to calculate the hinge position
• How to calculate the amount of the force delivered on the tooth from the appliance
• Transpalatal arch (TPA): indications for use
• Protocols for the use of transpalatal arches and modifications
• Difficulties in working with transpalatal arches
• Springs: manufacturing method in the clinic
• Combined use of microimplants and transpalatal arch
• Protocol for molar mesialization
• Analysis of complex clinical cases of space closure in adult patients.

Lesson 5: Orthodontic space closure with lingual fixed appliances

• How to identify cases treated best with extraction of teeth
• Set-up extraction cases with lingual appliances
• Optimum timing for extracting teeth
• Mechanics for closing spaces
• Speed-up safely extraction space closure
• Optimum finishing in extraction cases
• Retention protocols.

Lesson 6: Treatment of severe crowding Сlass I cases in orthodontics

• Diagnosis of severe crowding Сlass I (radiographs, clinical examination, model and cephalometric analysis)
• Treatment planning and sequencing:
• Sequence of extractions
• Orthodontic appliance selection
• Anchorage control
• Torque control during retraction and an estimation of treatment duration based on the severity of crowding and the patient's specific needs.
• Mechanics and orthodontic appliance use:
• Archwire sequences
• Bracket placement
• Braces-archwires friction and chain elastics force on sliding mechanics.
• Monitoring and adjusting treatment
• Evaluation of treatment outcome: what you should pay attention to
• Retention of treatment results.

Lesson 7: Digital protocols in extraction cases treated with the lingual orthodontics applainces

• Lingual orthodontics biomechanics
• How to avoid losing anchorage?
• Torque application and torque control in lingual orthodontic appliances
• Analysis of the different geometry of lingual orthodontic wires
• Robotics in orthodontics. Where we are now?
• Finishing in lingual orthodontics. A hybrid system
• Retention: protocols
• Relapse in the lingual technique.

Who is this course for?

This online course is designed for dentists and dental professionals interested in orthodontics, clinical decision-making and evidence-informed dental practice.