DH 170 – Dental Hygiene Principles – 2025/2026 – 35 Exam Questions on Ergonomics, Client Care, Equipment & Clinical Setup

This document features 35 exam questions with accurate and concise answers, curated for the DH 170 – Dental Hygiene Principles course for the 2025/2026 academic year. The content provides essential theoretical and clinical knowledge related to dental hygiene operations, environments, and interprofessional care. Students will find focused coverage on topics such as ergonomics, client positioning, dental unit components, and the structural layout of treatment areas. Also included are definitions and explanations of primary oral healthcare roles, interconnectivity in health teams, infection control zones like the instrument reprocessing area, and radiographic and laboratory spaces. Concepts such as advocacy, business models, and cultural diversity in oral health care are also presented, aligning with contemporary dental hygiene education standards. This document is especially helpful for: First-year Dental Hygiene students Dental Assisting students Students preparing for pre-clinical orientation or practical setup exams Candidates seeking a quick yet comprehensive refresher on clinical workspace and procedural terms Keywords: DH 170, dental hygiene principles, ergonomics, client positioning, treatment area, dental unit, air water syringe, bracket tray, radiographic equipment, dental lab, instrument reprocessing, oral health care, cultural diversity, dental assistant training, dental hygiene workspace