Chris Chang's Updated Protocols: Biomechanics, Impaction, Treatment with TADs and Aligners

— Advances in bracket and wire design to further enhance torque control and space closure, especially when paired with TSADs
— Simple and continuous light force system for Class 2 correction using bite turbos, Class 2 elastics, and infrazygomatic crest (IZC) screws
— Application of modern bracket and wire designs to enhance torque control and facilitate space closure in Class 2 treatment
— Integration of temporary anchorage devices (TADs) with aligner or fixed mechanics to improve efficiency and predictability in managing severe Class 2 malocclusions.

— The role of extra-alveolar buccal shelf (BS) screws in providing stable anchorage for the conservative treatment of skeletal Class 3 malocclusion
— Advances in bracket and wire design to enhance torque control and facilitate space closure in challenging class 3 cases
— Integration of buccal shelf (BS) screws and 3D lever arms with modern appliance systems to effectively manage severe Class 3 cases without surgery.

— The role of extra-alveolar TADs in achieving stable and predictable anchorage
— Design and placement protocols for TADs in Class 3 correction
— Step-by-step protocols for non-surgical management of severe Class III cases
— Clinical case demonstrations and long-term stability outcomes.

— Introduction to the Damon Ultima System: concept and evolution
— Key features and innovations compared to previous Damon systems
— Improved bracket design and torque control mechanics
— Integration with light-force archwires for efficient tooth movement
— Clinical advantages: precision, comfort, and reduced treatment time
— Case example illustrating system performance and outcomes.

— Treatment without MARPE
— Arch development with the Damon System
— Treatment of Class III asymmetry cases
— Why choose the Damon System?
— How to simplify treatment mechanics.

— Challenges associated with maxillary and mandibular impactions in orthodontics
— Application of minimally invasive techniques, such as VISTA, for the treatment of impacted upper and lower incisors and canines
— Advantages of using VISTA in preserving gingival tissue and reducing treatment duration
— Strategies for achieving precise and efficient outcomes in complex.

— TADs for challenging tooth movements such as forced eruption, mesialization, and molar uprighting in aligner therapy
— Application of TADs at different stages of aligner treatment to manage impactions and other complex movements
— Protocols for designing treatment plans that leverage the complementary strengths of aligners (pushing) and TADs (pulling) to simplify complex orthodontic cases.

— The role of temporary anchorage devices (TADs) in facilitating complex tooth movements during aligner treatment
— Application of TADs to perform bodily movements such as forced eruption and mesialization that are difficult to achieve with aligners alone
— Use of TADs in cases requiring molar uprighting and impaction management
— Combining aligners and TADs for optimal treatment outcomes.

— Introduction to Discrepancy Index (DI): definition and clinical relevance
— Components and scoring system of DI
— Overview of Cast-Radiograph Evaluation (CRE) and its diagnostic value
— Step-by-step protocol for calculating DI and CRE in clinical cases
— Case presentation: practical application and interpretation of DI and CRE results.

— How to diagnose Class 2 malocclusion and evaluate mandibular growth potential to guide treatment planning
— Indications, biomechanics, and limitations of the FOUR Class 2 treatment designs:
 

- Class 2 elastics
- Infrazygomatic crest (IZC) screws
- Mandibular advancement (MA) devices
- MA combined with IZC screws.
 

— Selection and application of the most appropriate Class 2 mechanics in aligner therapy to achieve predictable treatment outcomes.

— Identification of the FOUR key anatomical sites (IZC, buccal shelf, incisor region, and ramus) for miniscrew placement and their clinical indications
— Six innovative principles of miniscrew applications for managing sagittal, vertical, and transverse discrepancies, as well as complex impactions
— Protocols of miniscrew-based mechanics to improve treatment outcomes in complex orthodontic cases, including:
 

- Whole-arch distalization
- Posterior intrusion
- Crossbite correction
- Impacted tooth traction.

— Advanced simplified mechanics with braces for Class 1, 2, and 3 malocclusions
— Impaction treatment and complex cases with mini-implants
— Aligner mechanics with TADs
— Class 2 and Class 3 mechanics with aligners.