ORTHODONTICS II

Course Code:

6021-6022

Semester:

6th Semester - Division – Sector “Dental Technology”

Specialization Category:

SC

Course Hours:

4

ECTS:

5


LEARNING OUTCOMES

Upon competition of the course students will:

  • acquire the necessary scientific and applied knowledge, which will enable them to fabricate simple orthodontic appliances. Schwarz Plate, Hawley Plate, lingual/palatal arches, rapid palatal expander etc.
  • Understand the material properties and uses of orthodontic acrylics and their effects on humans and environment.
  • Be able to construct orthodontic clasps and arches
  • Fabricate orthodontic plates with screws
  • Be able to use simple orthodontic laboratory appliances

 

SYLLABUS

Theory
1. Orthodontic Acrylics, Historical Overview, materials, properties, advantages, disadvantages and environmental impact.
2. Palatal and lingual arches (Nance, Goshgarian, Quad Helix). Step by step construction and their modifications.
3. Rapid palatal expander. Function, step by step construction and their modifications.
4. Space maintenance fixed and removable appliances.
5. Orthodontic wire soldering techniques.
6. Active orthodontic plates, step by step construction and modifications. (Schwartz Plate, distalisation plate, regaining space plate)
7. Passive orthodontic Plates step by step construction and modifications (Retainers, Hawley retainer)
8. Orthodontic appliances to prevent/inhibit bad habits. Use, indications. Function. Step by step construction and their modifications.
9. Functional orthodontic appliances. Principles of function, description, step by step construction. Modifications of functional appliances such as Activator, Bionator, Fränkel, and Delaire mask, Crozat and Twin Block.
10. Repair of orthodontic appliances.
11. Bite planes: function and step by step construction.

 

Lab
1. Fabrication of labial arches.
2. Construction of various orthodontic clasps. Construction of Adams, Schwarz, Jackson, Schneemann, triangular and ball end retainer clasps
3. Fabrication of a Hawley retainer with jackscrew fitting for expansion and acrylic plate.
4. Palatal and lingual arches (Nance, Goshgarian, Quad Helix). Step by step construction and their modifications.
5. Rapid palatal expander. Function, step by step construction and their modifications.
6. Space maintenance fixed appliances. Step by step construction by soldering orthodontic wire.
7. Construction of simple thermoplastic splint retainer