Maricopa Community Colleges  DHE109   19992-20006 
Official Course Description:   MCCCD Approval:  12/14/99  
DHE109      19992-20006 LEC 3 Credit(s) 3 Period(s)
Orofacial Anatomy
Study of the anatomical considerations of the head and neck. Covers osteology, musculature, blood supply, glandular tissue, the nervous system and the routes of infection. Basic overview of intra and extra-oral anatomical landmarks associated with local anesthesia also covered. Prerequisites: Admission to the Dental Hygiene Program or permission of the instructor.
 
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MCCCD Official Course Competencies:
 
DHE109   19992-20006 Orofacial Anatomy
1. Locate and identify the regions and associated surface landmarks of the head and neck. (I)
2. Identify the bones of the skull. (I)
3. Explain developmental disturbances of the osteology of the head and neck. (I)
4. Describe and locate the origin, insertion and action of the muscles of the head and neck. (II)
5. List and describe the function and cranial exits for the twelve cranial nerves. (II)
6. Describe the location, innervation and function of the trigeminal, glossopharyngeal and vagus nerves. (II)
7. Explain the relationship of the autonomic nervous system to the head and neck. (II)
8. Identify the venous and arterial blood supply to the teeth, head and neck. (II)
9. Explain the location and function of the lymphatic system of the head and neck. (II)
10. Trace the routes of infection of the orofacial region. (III)
11. Locate the injection penetration sites for local anesthesia. (IV)
12. Describe the anatomy and functioning of the Temporomandibular Joint. (V)
13. Describe common disorders associated with the Temporomandibular Joint. (V)
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MCCCD Official Course Outline:
 
DHE109   19992-20006 Orofacial Anatomy
    I. Anatomical Terminology
        A. Surface anatomy terminology
          1. Scalp layers
          2. Planes and surfaces
        B. Skull
          1. Terminology
          2. Anterior aspect
          3. Lateral aspect
          4. Inferior aspect
          5. Medical aspects of mandible
          6. Hyoid bone
          7. Cranial cavity
          8. Temporomandibular joint
          9. Abnormalities of bone
      II. Systems
          A. Muscle
            1. Muscles of mastication
            2. Accessory muscles of mastication
            3. Muscles of facial expression
            4. Muscle of the tongue
            5. Muscle of the pharynx
          B. Nervous
            1. Peripheral nervous system
            2. Autonomic nervous system
          C. Arterial and venous
            1. Arterial supply
            2. Venous drainage
          D. Lymphatic
            1. Terminology
            2. Dentally significant nodes
          E. Digestive (salivary glands)
        III. Routes of Spread of Clinical Infections
            A. Tissues
            B. Vascular canals
            C. Lymphatic systems
          IV. Injection Sites for Local Anesthetic
              A. Landmarks
              B. Innervations
            V. Anatomy of the Temporomandibular Joint
                A. Joint
                  1. Bones
                  2. Capsule
                  3. Disc
                  4. Ligaments
                B. Temporomandibular Joint disorders
                  1. Deviations
                  2. Subluxations
                C. Jaw movements
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