DHY 134 - Head and Neck Anatomy
Description
This course is a study of the normal anatomy of the head and neck including the bones, muscles, blood supply, and nervous system. An introduction to the anatomical features related to dental local anesthesia is also provided.
Credit Hours: 2
Contact Hours: 2
Prerequisites/Other Requirements: DHY 114
English Prerequisite(s): None
Math Prerequisite(s): None
Course Corequisite(s): DHY 139
Academic Program Prerequisite: None
Consent to Enroll in Course: No Department Consent Required
Dual Enrollment Allowed?: No
Course Fees: $5.00
Number of Times Course can be taken for credit: 1
Programs Where This Course is a Requirement:
Dental Hygiene, A.A.A.S.
General Education Requirement:
None
General Education Learner Outcomes (GELO):
NA
Course Learning Outcomes:
1. Name and locate the bones of the skull.
2. Differentiate between facial bones and cranial bones.
3. Locate and name the paranasal sinuses.
4. Name and locate the bones of the neck.
5. Name three abnormalities of bone and describe their effects on the oral cavity.
6. Name and locate the two muscles of the neck that have significance to the dental professional.
7. Name and locate the muscles of facial expression.
8. Name and locate the muscles of mastication including the hyoid muscles.
9. Name and list the functions of the four muscle groups of the tongue.
10. List or recognize the functions of the parts of the temporomandibular joint.
11. Describe the movements that the temporomandibular joint is capable of.
12. Locate and identify the arteries that supply the structures of the oral cavity, the head and the neck.
13. Locate and name the veins that provide drainage of the structures of the oral cavity, the head and the neck.
14. Locate and identify the nerves that innervate the structures of the oral cavity and face.
15. Identify the sites for the common intraoral injection sites.
16. List the adjacent structures of each common intraoral injection site.
17. Explain the steps of how dental infection can spread to surrounding tissues.
18. Explain the possible consequences when a dental infection spreads to surrounding tissues.
Course Outline:
I. Anatomy of the Head and Neck
A. The Skeletal System
B. Bones of the Skull
C. Cranial Bones
D. Facial Bones
E. Paranasal Sinuses
F. Bones of the Neck
G. Muscles of the Head and Neck
1. Cervical Muscles
2. Muscles of Facial Expression
3. Muscles of Mastication
a. Hyoid muscles
4. Muscles of the Tongue
a. intrinsic
b. extrinsic
5. Muscles of the Pharynx
H. Temporomandibular Joint
1. Anatomy
a. bones
b. capsule
c. disc
d. ligaments
2. Jaw movements
I. Blood Supply
1. Arterial supply
2. Venous drainage
J. Nervous system
1. Autonomic nervous system
2. Nerves to the oral cavity
a. Trigeminal nerve
b. Facial nerve
K. Anatomy of local anesthesia
1. Maxillary
2. Mandibular
L. Fascia, Spaces and the Spread of Dental Infection
Approved for Online and Hybrid Delivery?:
No
Instructional Strategies:
Lecture 80-90%
Discussion 10-30%
Mandatory Course Components:
None
Equivalent Courses:
None
Accepted GRCC Advanced Placement (AP) Exam Credit: None
AP Min. Score: NA
Name of Industry Recognize Credentials: None
Course prepares students to seek the following external certification:
No
Course-Specific Placement Test: None
Course Aligned with ARW/IRW Pairing: NA
Mandatory Department Assessment Measures:
None
Course Type:
Program Requirement- Offering designed to meet the learning needs of students in a specific GRCC program.
Course Format:
Lecture - 1:1
Total Lecture Hours Per Week: 2
People Soft Course ID Number: 104329
Course CIP Code: 51.0601
Maximum Course Enrollment: 32
General Room Request: None
High School Articulation Agreements exist?: No
If yes, with which high schools?: NA
Non-Credit GRCC Articulation Agreement With What Area: No
Identify the Non Credit Programs this Course is Accepted: NA
School: School of Health & Exercise Science
Department: Dental Auxiliaries
Discipline: DHY
Faculty Credential Requirements:
Certification/License Requirement (list below), Master’s Degree (GRCC general requirement), Other (list below), Professionally qualified through work experience in field (Perkins Act or Other) (list below), Program Accreditation Requirement (list below)
Faculty Credential Requirement Details:
Must be a Registered Dental Assistant, Registered Dental Hygienist, or Dentist.
DH CODA Standard 3-7 states: The full time faculty of a dental hygiene program must possess a baccalaureate or higher degree. Part-time faculty providing didactic instruction must have earned at least a baccalaureate degree or be currently enrolled in a baccalaureate degree program. All dental hygiene program faculty members must have: a) current knowledge of the specific subjects they are teaching. b) documented background in current educational methodology concepts consistent with teaching assignments. c) Faculty who are dental hygienists must be graduates of dental hygiene programs accredited by the Commission on Dental Accreditation.
Master’s degree in Education or a related credential is preferred. A minimum of 2 years of related work experience (4,000 hours) is required to satisfy Perkin's Vocational Act requirements.
Major Course Revisions: N/A
Last Revision Date Effective: 20220215T18:41:28
Course Review & Revision Year: 2026-2027
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