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2024-2025 Workforce Catalog

UDLT 102 - Dental Morphology, Occlusion & Articulation

Students will develop an overarching knowledge of human dental morphology to include anatomical landmarks, terminology, tooth numbering systems and tooth development, introduction to human mandibular movement through the examination of the interrelation of skeletal and muscular systems, tooth surfaces and the temporomandibular joints. Also includes types of cusps with their interrelation to the opposing dentition, examination of the centric relation and vertical dimension in edentulous patients, types of dental articulator and comparisons of normal occlusion and various malocclusions i.e. Angle’s Classification.

  button image Prior Learning and link to PLA webpage

Course Learning Outcomes:
  1. Locate, identify, and describe anatomical landmarks of the teeth and oral cavity on both analogue and digital models.
  2. Identify and explain basic terminology.
  3. Locate, identify, and describe basic anatomical landmarks of the teeth, permanent dentition, and deciduous (primary) dentition.
  4. Detail the location and function of head and neck skeletal structures and musculature.
  5. Enumerate oral structures and related physiology.
  6. Sculpt teeth #3-8 maxillary and #19-22 mandibular in soap, wax, or gypsum.
  7. Describe dental anatomy and morphology as it relates to occlusion and mastication.
  8. Describe elements Angle’s Classification of occlusion
  9. Describe mandibular movements as they relate to mastication
  10. Identify various types of cusps & cusp fossa relationships
  11. Describe how the dentist establishes centric relation and vertical dimension in the edentulous patients.
  12. Comparison review of dental articulators
  13. Explain how patient information is moved to and approximated with a dental articulator
Outline:
  1. Anatomical Landmarks and Terminology
    1. Vocabulary and terminology
    2. Teeth
    3. Oral mucosa
    4. Skeletal
    5. Musculature
    6. Temporomandibular joint
  2. Tooth Development and Landmarks
    1. Deciduous teeth
    2. Permanent teeth

C         Tooth numbering systems

  1. Tooth Sculpting
    1. Soap carving
    2. Wax carving
    3. Gypsum manipulation
  2. Review of anatomy and morphology relating to occlusion and mastication.
    1. Anatomy of the skull and mandible
    2. Muscles of mastication
    3. Occlusal tooth anatomy
    4. Temporomandibular joint
  3. Angle’s Classification of occlusion
    1. Normal
    2. Prognathic
    3. Retrognathic

VI.       Overview of mandibular movements

  1. Protrusive
    1. Posselt’s envelope of motion
  2. Lateral
    1. Working
    2. Balancing

VII       Types of cusps & cusp fossa relationships

  1. Stamp cusp
  2. Shear cusp
  3. Cusp to occlusal embrasure pattern
  4. Cusp to fossa pattern
  5. Cross bite
  6. Compensating curves
    1. Curve of Spee
    2. Curve of Wilson
    3. Plane of Munson

VIII.Establishes centric relation and vertical dimension in the edentulous patients.

A.Terminology

      1. Centric occlusion
      2. Centric relation
      3. Physiologic rest position
      4. Vertical dimension of occlusion
      5. Vertical dimension of rest
      6. Freeway space
  2. Gothic arch tracing
  3. Facebow transfer

IX. Comparison review of dental articulators

  1. Analogue
    1. Plastic Single Use Articulator
    2. Fixed Guide Articulator
    3. Semi-Adjustable Arcon Articulator
    4. Semi-Adjustable Non-Arcon Articulator
  2. Bennett’s movement and Bennett’s angle
  3. Christensen’s Phenomenon