10-508-102Oral Anatomy, Embry, Histology
Course Information
Description
Prepares Dental Hygienist students to apply detailed knowledge about oral anatomy to planning, implementation, assessment, and evaluation of patient care. Students identify distinguishing characteristics of normal and abnormal dental, head, and neck anatomy and its relationship to tooth development, eruption. and health.
Total Credits
4

Course Competencies
  1. Distinguish the morphology of teeth (permanent and deciduous)
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify divisions of tooth into thirds, line and point angles
    identify distinguishing characteristics of all permanent as permanent vs. primary, maxillary vs mandibular, right vs. left and tooth type
    identify the root characteristics of each tooth by tooth number/name and surface
    identify the preventive form/function of the dental morphology
    identify deviations in preventive form characteristics
    identify the teeth expected/not expected to be present in a child/adolescent at any given age
    distinguish between anterior centrals, lateral and canines, including left and right
    distinguish between maxillary 1st and 2nd premolars
    distinguish between mandibular 1st and 2nd premolars
    distinguish between maxillary 1st, 2nd and 3rd molars
    distinguish between mandibular 1st, 2nd and 3rd molars
    distinguish teeth as permanent or primary maxillary 1st or 2nd molars
    distinguish teeth as permanent or primary mandibular 1st or 2nd molars

  2. Classify normal occlusion and malocclusion relationships
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    classify occlusion and facial profiles according to Angle's Classification
    classify individual and groups of teeth in malalignment/malocclusion
    identify occlusion features of primary dentitions
    follow safety and infection control protocol when working with a fellow student
    differentiate normal from abnormal swallowing

  3. Differentiate between normal and abnormal anatomy development/eruption
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    describe where each represents a normal sequence of events in tooth development
    identify normal dominating physiologic processes at each stage of development
    identify the components of the tooth germ and reduced enamel epithelium and their products
    illustrate normal tooth tissue development
    illustrate normal root formation
    identify causes of resorption of primary roots
    illustrate normal age of development teeth
    determine if the correct teeth are present for the age of the patient
    determine any anatomical abnormalities represented in a scenario with patterns of tooth development and eruption

  4. Translate terminology related to head and neck anatomy
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    determine the meaning of the root-words of terms that describe head and neck anatomy
    detect signs that indicate a built-up word
    recognize combining forms
    determine the meaning of the prefixes
    determine the meaning of the suffixes
    identify context clues
    correctly pronounce terms that describe head and neck anatomy
    use and interpret terms that describe head and neck anatomy

  5. Differentiate tooth histology by examining tooth tissues
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify the clinical significance of the density of crystals in enamel and dentin in given examples
    identify the clinical significance of the arrangement and direction of the enamel rods in given examples
    detect the cause of tooth sensitivity in given examples
    explain changes in dentin and pulp that are most likely due to age in given examples
    explain the clinical significance of changes in dentin and pulp in given examples

  6. Distinguish normal intra and extra oral structures of head and neck
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify anatomic structures
    point out any abnormalities
    distinguish descriptions of gingiva as healthy or not healthy
    exhibit correct grammar, punctuation, use of medical/dental terminology, and spelling

  7. Correlate the location and drainage patterns of the lymphatics of the head and neck to the clinical implications
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    show the drainage patterns of the following lymphatic node groups from their locations to the venous system; Waldeyer's ring, preauricular, submandibular, submental, superior and inferior deep cervical
    explain how areas of the head and neck drain into each node group
    explain the role lymphatic drainage plays in the spread of infection and oral cancer
    identify clinical implications for preventing, arresting, or minimizing the spread of infection and oral cancer

  8. Identify the clinical significance of osteology landmarks
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    label osteology landmarks correctly
    explain the clinical significance of the osteology landmarks

  9. Illustrate the relationship between the anatomy and function of the tissues of the periodontium
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify the fibers of the periodontal ligament
    identify the location, name, and function of fibers of the periodontal ligament
    identify the location, name, composition, and function of the cementum and periodontal ligament
    explain how the periodontal ligament responds to occlusal stress, loss of function and local acute destruction
    indicate the amount of clinical attachment level present
    accurately identify the location of the zone of attached gingiva

  10. Show how the muscles of the head and neck create movement and expressions
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    correctly label muscles
    describe the action of each of the muscles of facial expression, neck, tongue and soft palate
    note the origin, insertion and action of each muscle of mastication

  11. Identify the histology, anatomy, movement, and disorders of the temporomandibular joint (TMJ)
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify the components of the TMJ including the histological tissue
    identify the type of cartilage present in a growing condyle
    describe the demonstrated TMJ movement (opening/closing hinge, glide bennet's) and the muscles creating that movement
    identify subluxation, disc derangement and overclosure, including symptoms associated with TMJ dysfunction
    distinguish between descriptions of unilateral and bilateral complete and partial ankylosis of the TMJ
    identify descriptions of centric occlusion, centric relation and rest positions of the TMJ
    identify atrophied, hypertrophied or tender muscles during TMJ subluxation, disc derangement, ankylosis, bruxism and overclosure

  12. Correlate the arterial and venous circulation of head and neck and dental structures to clinical implications
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    show the divisions of the common carotid artery
    identify the eight major branches of the external carotid artery and what each supplies
    identify the arterial and venous circulation for each tooth and associated periodontium, including the flow from and back to the heart
    identify the areas supplied by the facial artery
    identify venous drainage of deep and superficial structures of the head and neck
    identify areas of anastomosis
    trace potential routes of cavernous sinus infection

  13. Correlate the innervation of the head, neck, and dental structures to clinical implications
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify the V, VII, IX and XII cranial nerves from their origin in the brain, cranium exit point including function and name
    identify the 3 divisions of the Trigeminal nerve and its ganglion and areas of innervation
    identify the nerves for the teeth and associated periodontium
    identify the nerves to be anesthetized
    identify anatomical considerations for local anesthetic

  14. Compare the normal and abnormal development of facial structures
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    determine the sequence of the development of the maxilla, lips, mandible, hard and soft palate, nasal septum, and tongue in sequence from developmental sources
    predict the ages of completion of the upper lip, tongue, critical fusion times for the primary palate
    identify points and ages where cleft lip, cleft palate, bifid tongue, oblique facial cleft, bifid uvula can develop
    explain functional impairments of cleft lip, cleft palate, bifid tongue
    identify which teeth may be affected by stated locations of a cleft palate

  15. Illustrate the normal histological characteristics of mucous membranes to their clinical characteristics and functions
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    identify layers and histological features
    identify where this type of oral mucosa is found and what category of mucous membrane it is
    summarize the functions of each layer
    examine how cells and tissue layers are held together
    explain the rate of oral cavity tissue renewal
    identify location, clinical appearance, or histological features of taste buds
    identify histological features of membrane tissues
    identify categories of mucous membranes in oral mucosa