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Aims and Learning Outcomes

On completion of the module, you should

  • Have knowledge of the features of normal and ideal occlusion;
  • Have knowledge of the classification of malocclusion;
  • Have knowledge of the principles of tooth movement, force application and anchorage
  • Have knowledge of common orthodontic appliance systems and their mechanical principles;
  • Be familiar with the aetiology of malocclusion;
  • Be familiar with the limitations of orthodontic treatment;
  • Be familiar with the potential risks and benefits of orthodontic treatment, including iatrogenic damage
  • Be competent at taking intraoral and extraoral photographs of patients, and photographs of models and radiographs;
  • Be competent at taking dental impressions;
  • Be competent at taking and checking occlusal records, including gnathological facebow readings;
  • Be competent at casting, basing and trimming orthodontic models
  • Be competent at producing a cephalometric analysis of a skull radiograph by contemporary methods
  • Be competent at PAR and IOTN scoring and have knowledge of their uses in assessing treatment outcome and prioritising treatment
  • Be competent at the correct selection and manipulation of dental biomaterials used by the orthodontic therapist;
  • Be competent at identifying and selecting appropriate instruments for the task to be carried out;
  • Be competent at using equipment and instruments safely;
  • Be competent at maintaining instruments


This module consists of five sections:

  • The Principles of Orthodontics
    • Occlusion, malocclusion, classification and aetiology of malocclusion
    • Dental anomalies
    • Tooth movement
    • Force application and Anchorage
    • Orthodontic appliance systems and their mechanical principles
    • Risks and benefits and limitations of orthodontic treatment
  • Clinical Records
    • Record keeping written assessment records and medical history
    • Photographs, study models and radiographs
    • Impression technique, occlusal records, gnathological facebow readings
    • Laboratory work with impressions, casting, basing, and trimming orthodontic models
    • Radiography and Cephalometric analysis
  • Orthodontic indices and clinical governance
  • Dental biomaterials science
    • Materials and mechanics
  • Orthodontic Instruments
    • Identification, selection of appropriate instruments, use of equipment and instruments safely maintenance of instruments
    • Stock control of orthodontic consumables hardwear, materials and medicaments

Key Facts


Siobhan Flood / Katie Robertson


Dr Liz Hopkins

30 minute written paper
1 hr practical test
Competency assessments

Core/Optional: Core

CATS: 12

Code: MD925

How to apply