Course Catalog : Subject Area




Dental Hygiene Courses Offered @ TNCC

Course Description and Pre-requisites
DNH 111 Oral Anatomy
(2 credits) Studies the morphology and function of the oral structures with emphasis on the primary and permanent dentition, eruption sequence, occlusion, and intra-arch relationships. Lecture 2 hours per week.
DNH 115 Histology/Head and Neck Anatomy
(3 credits) Prerequisite(s): BIO 145 and BIO 150. Presents a study of the microscopic and macroscopic anatomy and physiology of the head, neck, and oral tissues. Includes embryologic development and histologic components of the head, neck, teeth, and periodontium. Lecture 3 hours per week.
DNH 120 Management of Emergencies
(2 credits) Studies the various medical emergencies and techniques for managing emergencies in the dental setting. Additional practical applications and simulations of emergencies maybe conducted to enhance basic knowledge from the one hour lecture component. Lecture 2 hours per week.
DNH 130 Oral Radiography for the Dental Hygienist
(2 credits) Studies radiation physics, biology, safety, and exposure techniques for intra- and extra-oral radiographic surveys. Laboratory provides practice in exposure, processing methods, mounting, and interpretation of normal findings. Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
DNH 141 Dental Hygiene I
(5 credits) Introduces clinical knowledge and skills for the performance of dental hygiene services; basic skill components, lab manikins. and client practice. Lecture 3 hours. Clinic 6 hours. Total 9 hours per week.
DNH 142 Dental Hygiene II
(5 credits) Prerequisite(s): DNH 141. Exposes students to instrument sharpening, time management, and client education techniques and methods. Provides supervised clinical practice in the dental hygiene clinic with emphasis on developing client treatment and instrument skills. Lecture 2 hours. Clinical 9 hours. Total 11 hours per week.
DNH 143 Dental Hygiene III
(4 credits) Prerequisite(s): DNH 142. Introduces dental health care for clients with special needs. Includes introduction to computer concepts and applications. Provides supervised clinical practice in the dental hygiene clinic with emphasis on refining client treatment and instrumentation skills, including oral radiographs. Lecture 2 hours. Clinic 6 hours. Total 8 hours per week.
DNH 145 General and Oral Pathology
(2 credits) Prerequisite(s): DNH 115. Introduces general pathology with consideration of the common diseases affecting the human body. Particular emphasis is given to the study of pathological conditions of the mouth, teeth and their supporting structures. Lecture 2 hours per week.
DNH 146 Periodontics for the Dental Hygienist
(2 credits) Introduces the theoretical and practical study of various concepts and methods used in describing, preventing, and controlling periodontal disease. Presents etiology, microbiology, diagnosis, treatment and prognosis of diseases. Lecture 2 hours per week.
DNH 214 Practical Materials for Dental Hygiene
(2 credits) Studies the current technologic advances, expanded functions, and clinical/laboratory materials used in dental hygiene practice. Provides laboratory experience for developing skills in the utilization and applications of these technologies and functions. Lecture 1 hour + laboratory 2 hours = total 3 hours per week.
DNH 216 Pharmacology
(2 credits) Studies the chemical and therapeutic agents used in dentistry, including their preparation, effectiveness, and specific application. Lecture 2 hours per week.
DNH 226 Public Health Dental Hygiene I
(2 credits) Studies and compares concepts of delivery of health care, applying the public health delivery model. Utilizes epidemiologic methods, research and biostatistics as applied to oral health program planning, implementation, and evaluation. Incorporates and applies current health issues and trends. Lecture 2 hours per week.
DNH 227 Public Health Dental Hygiene II
(1 credit) Prerequisite(s): DNH 226. Applies concepts of public health program planning through student directed community projects with an emphasis on preventative oral health education. Includes development of table clinics, bulletin boards, and volunteer service in the community. Laboratory 3 hours per week.
DNH 230 Office Practice and Ethics
(1 credit) Studies the principles of dental ethics and economics as they relate to the dental hygienist. The course also includes a study of jurisprudence and office procedures. Lecture 1 hour per week.
DNH 235 Management of Dental Pain and Anxiety in the Dental Off
(2 credits) Prerequisite(s): DNH 120 and DNH 216. Provides a study of anxiety and pain management techniques used in dental care. Students will understand the necessary theory to appropriately treat, plan and successfully administer topical anesthesia, local anesthesia, and nitrous oxide/oxygen analgesia. Includes the components of pain, pain control mechanisms, topical anesthesia, local anesthesia and nitrous oxide/oxygen analgesia. Lecture 1 hour + laboratory 2 hours = total 3 hours per week.
DNH 244 Dental Hygiene IV
(5 credits) Prerequisite(s): DNH 143. Introduces advanced skills and the dental hygienist's role in dental specialties. Includes supervised clinical practice in the dental hygiene clinic and/or off-campus clinical rotations at various community facilities. Emphasizes treatment of clients demonstrating periodontal involvement, stressing application and correlation of knowledge and skills from previous semesters. Lecture 1 hour + clinic 12 hours = total 13 hours per week.
DNH 245 Dental Hygiene V
(5 credits) Prerequisite(s): DNH 244. Exposes student to current advances in dentistry. Includes supervised clinical practice in the dental hygiene clinic and/or off-campus clinical rotations at various community facilities. Emphasis is placed on synthesis of knowledge from previous semesters, treatment of clients with moderate to advanced periodontal involvement and improving clinical speed while maintaining quality in preparation for practice. Lecture 1 hour + clinic 12 hours = total 13 hours per week.
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