Harper College will be closed Monday, May 26, in observance of Memorial Day.
Find open Dental Hygiene classes at Harper College. The prefix for these courses is DHY. For a complete list of available courses, visit the College Catalog.
Filter by Keyword: Select a Subject Subject } Accounting (ACC) Anthropology (ANT) Architectural Studies (ARC) Art (ART) Astronomy (AST) Biology (BIO) Business Administration Computer Applications Software (CAS) Career Development (CDV) Chemistry (CHM) Community Health Worker (CHW) Computer Info Systems Computer Information Systems (CIS) Certified Nursing Assistant (CNA) Cannabis Science (CNB) Computer Science (CSC) Diagnostic Cardiac Sonography (DCS) Dental Hygiene (DHY) Diversity (DIV) Diagnostic Medical Sonography (DMS) Early Childhood Education (ECE) Economics (ECO) Education (EDU) Engineering (EGR) English Literacy Acquisition (ELA) Electronics Engineering Technology (ELT) Emergency And Disaster Management (EMG) Emergency Medical Services (EMS) English (ENG) English and Literature Entrepreneurship (ENT) Earth Science (ESC) English As A Second Language (ESL) English For Special Purposes (ESP) Fashion Studies (FAS) Financial Management (FIN) Fire Science (FIS) French (FRN) Hospitality Management (FSM) First Year Experience (FYE) First Year Seminar (FYS) Geography (GEG) German (GER) Graphic Arts (GRA) Harper College For Business (HCB) Health Education (HED) Health Information Technology (HIT) Health Science Core (HSC) High School Equivalency (HSE) History (HST) Humanities (HUM) Heating, Ventilation, A/C, Refrigeration (HVA) Independent Study (IDS) Interior Design (IND) Insurance (INS) Japanese (JPN) Kinesiology (KIN) Law Enforcement and Justice Administration (LEJ) Literature (LIT) Linguistics (LNG) Mass Communication (MCM) Manufacturing Technology (MFT) Management (MGT) Marketing (MKT) Maintenance Technology (MNT) Medical Office Administration (MOA) Mathematics (MTH) Massage Therapy (MTP) Music (MUS) Networking (NET) Nutrition (NTR) Nursing Nursing (NUR) One Million Degrees (OMD) Phlebotomy (PHB) Philosophy (PHI) Physics (PHY) Physics and Astronomy Paralegal Studies (PLS) Political Science (PSC) Psychology (PSY) Physical Therapist Assistant (PTA) Radiologic Technology (RAD) Respiratory Care Science (RCS) Reading (RDG) Supply Chain Management (SCM) Sign Language (SGN) Sociology (SOC) Spanish (SPA) Speech (SPE) Surgical Technology (SUR) Theatre (THE) Web Development (WEB) Welding Technology (WLD) World LanguagesSelect a Teaching Method Method } Online Full List Blended Online Online Anytime (Asynchronous) Online Live (Synchronous) Lecture/Lab Lab LectureSelect a Term Term } Summer 2025 Fall 2025Misc Specialized Programs } First-Year Seminar Honors Program Social Justice Studies Distinction Start Smart Learning CommunityLength Length } 8 Week 13 Weeks 16 WeeksLength Start Date } 2025-02-10 2025-03-10
