Module 4

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Module 4

  1. 1. Module: Orthodontics PowerPoint ® Presentation for Specialty Chairside Assisting with Labs
  2. 2. Module: Orthodontics Orthodontics Part A: The Orthodontic Team Part B: Orthodontics
  3. 3. Module: Orthodontics <ul><li>Learning Objectives </li></ul><ul><li>1. Define the Key Terms. </li></ul><ul><li>2. Define and describe orthodontics and the DA’s role in an orthodontic setting. </li></ul><ul><li>3. Describe occlusion and malocclusion. </li></ul><ul><li>4. Define and describe what is included in preventive, interceptive, and corrective orthodontic treatment. </li></ul><ul><li>5. Explain the process of tooth movement. </li></ul>
  4. 4. Module: Orthodontics <ul><li>Learning Objectives </li></ul><ul><li>6. Differentiate between fixed and removable appliances. </li></ul><ul><li>7. State the functions of basic orthodontic instruments. </li></ul><ul><li>8. Describe the stages of orthodontic treatment. </li></ul><ul><li>9. Demonstrate the knowledge and ability to assist during orthodontic treatment. </li></ul>
  5. 5. Key Terms <ul><li>Activator </li></ul><ul><li>Angle’s classification </li></ul><ul><li>Arch wires </li></ul><ul><li>Brackets </li></ul><ul><li>Buccal tubes </li></ul><ul><li>Buccoversion </li></ul><ul><li>Corrective orthodontics </li></ul><ul><li>Distoversion </li></ul><ul><li>Elastics </li></ul><ul><li>Fixed appliances </li></ul><ul><li>Headgear </li></ul><ul><li>Interceptive </li></ul><ul><li>Invisible aligners </li></ul><ul><li>Ligature wire </li></ul><ul><li>Linguoversion </li></ul><ul><li>Malocclusion </li></ul><ul><li>Normal occlusion </li></ul>
  6. 6. Key Terms <ul><li>Orthodontic bands </li></ul><ul><li>Overbite </li></ul><ul><li>Removable appliances </li></ul><ul><li>Resorption </li></ul><ul><li>Separators </li></ul><ul><li>Space maintainer </li></ul><ul><li>Springs </li></ul>
  7. 7. Part A: The Orthodontic Team
  8. 8. The Orthodontic Team <ul><li>Orthodontist </li></ul><ul><li>Reception and business-office staff </li></ul><ul><li>Office coordinator </li></ul><ul><li>Laboratory technician </li></ul><ul><li>Orthodontic assistant </li></ul>
  9. 9. Responsibilities of the Orthodontic Assistant <ul><li>Take study model impressions </li></ul><ul><li>Take and process intraoral and extraoral radiographs </li></ul><ul><li>Do the tracing on cephalometric radiographs </li></ul><ul><li>Give oral hygiene instructions and instruction on appliance wear and care </li></ul><ul><li>Prefit bands before cementation </li></ul><ul><li>Apply sealants to teeth to be bonded </li></ul><ul><li>Place and remove arch wires and ligatures </li></ul>
  10. 10. Part B: Orthodontics Normal occulsion Malocclusion
  11. 11. Causes of Malocclusion Genetic factors Systemic factors Local factors
  12. 12. Malpositions of Groups of Teeth <ul><li>Anterior cross-bite </li></ul><ul><li>Posterior cross-bite </li></ul><ul><li>Edge-to-edge bite </li></ul><ul><li>End-to-end bite </li></ul><ul><li>Open bite </li></ul><ul><li>Overjet </li></ul><ul><li>Overbite </li></ul><ul><li>Underjet </li></ul>
  13. 13. Types of Orthodontic Treatment Preventive and Interceptive treatment Corrective treatment
  14. 14. Process of Tooth Movement Osteoblasts Osteoclasts
  15. 15. Orthodontic Appliances Fixed appliances Removal appliances
  16. 16. Orthodontic Instruments
  17. 17. Orthodontic Instruments
  18. 18. The Orthodontic Patient The diagnostic appointment The consultative appointment
  19. 19. Sequence of Orthodontic Treatment <ul><li>Application of separators </li></ul><ul><li>Placement of the posterior bands </li></ul><ul><li>Placement of the anterior brackets </li></ul><ul><li>Placement of the arch wire </li></ul><ul><li>Interval checkups </li></ul><ul><li>Completion appointment </li></ul>
  20. 20. Assessment Questions <ul><li>What are the three causes of malocclusion? </li></ul><ul><li>Genetic, systemic, and local factors </li></ul><ul><li>What are the bone-resorbing cells called? </li></ul><ul><li>Osteoclasts </li></ul><ul><li>What are the bone-forming cells called? </li></ul><ul><li>Osteoblasts </li></ul>
  21. 21. Summary of Module <ul><li>Key Terms </li></ul><ul><li>The orthodontic team </li></ul><ul><li>Normal occlusion </li></ul><ul><li>Malocclusion </li></ul><ul><li>Types of orthodontic treatment </li></ul><ul><li>Orthodontic appliances and instruments </li></ul><ul><li>The orthodontic patient </li></ul>

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