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Head and Neck Anatomy

DH 118

Head and Neck Anatomy

DH 118

Course Description

Prerequisites: Prerequisites: DH 100 and 101, each with a C (2.

0) minimum grade and admission to the Dental Hygiene Program. Presents anatomy of the human head and neck and surrounding structures. Emphasizes basic anatomical terminology, landmarks, and a complete description of the skeletal, muscular, lymphatic, vascular, and innervation systems. (30-45)

Outcomes and Objectives

Define and use anatomical terms, directional reference terms and anatomical planes of section. The student will be able to:

Objectives:

  • Correctly define and use anatomical terms.
  • Define each of the following directional reference terms:
  • Define through imaginary anatomical planes of section:
  • Define each of the following terms:
  • Define and differentiate between systematic and regional views and approaches to the study of anatomy.

Identify and explain the function of the various regions and associated surface landmarks of the head and neck.

Objectives:

  • Oral Region
  • Oral Cavity
  • Palate
  • Tongue
  • Floor of the Mouth
  • Pharynx

Identify all the bones of the skull. In addition the student will be able to identify the landmarks foramen and articulations for each bone in the skull.

Objectives:

  • Define the skeletal system and list its primary functions.
  • Define and identify from a histological section of bone, slide, or drawing:
  • Define each of the following and then compare and contrast them in terms of their function and location:
  • Define and give an example of each of these bone markings:
  • Identify and describe the function of the Atlas C1 and the Axis C2 vertebra.
  • Define and identify on a skull, model or diagram, the following sutures:
  • On a series of diagrams/model bones, be able to identify correctly the following bones of the skull:
  • On diagrams, models, and/or skeletal material, correctly identify the following foramen, canals, or openings:
  • On diagrams, models, or skulls, identify these landmarks.
  • Define and be able to locate the following sinuses:
  • Define and be able to identify the following venous sinuses:
  • State the location of the following specialized bones of the skull/neck:
  • Define and be able to identify the Temporomandibular Joint, Superior Temporal Line, and Foramen Lacerum
  • List injection sites for maxillary and mandibular teeth and surrounding tissues.

Identify all the muscles of the head and neck indicating points of attachment, function, innervation and vascularization for each muscles.

Objectives:

  • Define each of the following terms as it relates to skeletal muscle:
  • Identify the following muscles on diagrams and models and list their origin, insertion (points of attachments), action (s), major innervation and vascularization.
  • List and/or identify all the muscles involved in the following groups of muscles:

Identify all the arterial branches of the external and internal carotids and describe what structures are suggested by each of the arteries.

Objectives:

  • The External Carotid artery and each of its branches on a model or diagram:
  • Describe the structures supplied by each of the arteries listed above.
  • Identify on a model or diagram the branches of the Facial artery:
  • Identify on a model and/or diagram the branches of the Maxillary Artery.
  • Describe the structures supplied by each of the arteries listed above.
  • Explain the clinical significance of arterial connections and venous connections in the head and neck.
  • Identify on a model or diagram the following veins:

Locate and identify all the major groups of lymph nodes of the head and neck. In addition the student will be able to integrate the knowledge about head and neck lymphatics into clinical practice.

Objectives:

  • Identify on a diagram and describe lymphatic drainage pathways of:
  • List the "collar" nodes.
  • On a diagram and/or given situation, follow lymphatic drainage.
  • Explain the clinical significance of lymphatic drainage patterns.
  • List the reasons for one in your profession to have knowledge of lymphatic and the importance of an examination of the lymph nodes of the head and neck.

Name the twelve cranial nerves, individual exit site from the skull and particular functions. Emphasis will be placed on the functions of the cranial nerves important to dentistry.

Objectives:

  • List by name and roman numeral each of the following 12 pairs of cranial nerves; Indicate if they are afferent, efferent, or mixed. State the functions for each nerve.
  • Associate the site of exit from the skull for each cranial nerve.
  • List the four pairs of nerves that are of particular significance to the dental profession.