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2021 - 2022 Dallas College Catalog

2021 - 2022 Catalog
Program: Dental Hygiene
Degree Plan: Dental Hygiene A.A.S.

Note: This program may lead to an occupational license for which a prior criminal history may make a student ineligible. For more information, please visit:

This program is THECB Approved Program of Study (POS).

(Associate of Applied Science Degree)

El Centro campus only

  • Students pursuing this award program are required to meet Texas Success Initiative (TSI) standards and course prerequisites.
  • Complete at least 25% of the credit hours required for graduation through instruction by Dallas College.
  • Students who are accepted into this program must meet the required minimum passing score of "75" for specified courses within the degree plan.

Degree Plan Code: AAS.DENTAL.HYG.21

The Dental Hygiene Program is a two-year 68 credit hour program leading to the Associate of Applied Science Degree. The program prepares graduates to be eligible to take the National Board Dental Hygiene Examination (NBDHE) and a regional clinical board in order to apply for licensure by the Texas State Board of Dental Examiners to become a Registered Dental Hygienist (RDH). The program is accredited by the American Dental Association Commission on Dental Accreditation (CODA): 211 East Chicago Ave.; Chicago, IL 60611; Telephone: 800-621-8099 or 312-440-4653; website:

The program applies classroom and laboratory skills to clinic experience in the on-site dental clinic.
Contact the Assessment Center at El Centro campus for the pre-entrance assessment and, Health Occupations Admissions to receive an information packet.

Course Course Title Credit Hours
BIOL 2401 Anatomy and Physiology 1 4
BIOL 2402 Anatomy and Physiology 2 4
BIOL 2420 Microbiology for Non-Science Majors 4
CHEM 1406 Introductory Chemistry 1 OR 4
CHEM 1405 Introductory Chemistry 1 OR (4)
CHEM 1411 General Chemistry 1 (4)
Pre-Entrance Requirements Total 16
Course Course Title Credit Hours
DHYG 1301 Orofacial Anatomy, Histology and Embryology 3
DHYG 1304 Dental Radiology 3
DHYG 1431 Preclinical Dental Hygiene 4
DHYG 1227 Preventive Dental Hygiene Care 2
Semester Total 12
Course Course Title Credit Hours
DHYG 1207 General and Dental Nutrition 2
DHYG 1235 Pharmacology for the Dental Hygienist 2
DHYG 1261 Clinical- Dental Hygiene/Hygienist 2
DHYG 2201 Dental Hygiene Care 1 2
ENGL 1301 Composition 1 3
Semester Total 11
Course Course Title Credit Hours
DHYG 1219 Dental Materials 2
DHYG 1161 Clinical - Dental Hygiene/Hygienist 1
Summer Total 3
Course Course Title Credit Hours
DHYG 1239 General and Oral Pathology 2
DHYG 1311 Periodontology 3
DHYG 2231 Dental Hygiene Care 2 2
DHYG 2362 Clinical - Dental Hygiene/Hygienist 3
SPCH 1311 Introduction to Speech Communication OR 3
SPCH 1315 Public Speaking OR (3)
SPCH 1321 Business and Professional Communication (3)
Semester Total 13
Course Course Title Credit Hours
DHYG 1315 Community Dentistry 3
DHYG 2363 Clinical - Dental Hygiene/Hygienist 3
DHYG 2153 Dental Hygiene Practice 1
PSYC 2319 Social Psychology 3
+Elective Humanities/Fine Arts 3
Semester Total 13
Minimum Hours Required 68

+Humanities/Fine Arts Elective - must be selected from the AAS Core Options for Humanities/Fine Arts.

NOTE: Students enrolling in this program who plan to transfer to a four-year insitution should consult an advisor or counselor regarding transfer requirements and the transferability of these courses to the four-year institution of their choice.