Master the clinical, legal, and ethical standards of dental assisting to pass the California RDA Combined Written and Law and Ethics Examination with confidence. California RDA Study Guide 2026-2027 by Jasper Preston goes beyond simple memorization, preparing you for real-world patient care by reflecting a true commitment to patient safety and clinical competence. What Sets This Guide ApartExtensive Practice Material: The book features a comprehensive review alongside 2,500 practice questions, 8 full practice tests, and flashcards to reinforce recall and build test-day confidence. Scenario-Based Application: Content explains exactly how anatomy connects to charting, how infection control affects every procedure, and why legal scope guides every clinical decision. Tailored for All Learners: Designed specifically for dental assisting students, recent graduates, on-the-job trainees, and returning test takers who need a clear, structured path forward. Core Topics MasteredCalifornia Dental Law & Ethics: Navigate the California Dental Practice Act, supervision levels, patient confidentiality, and the specific expanded duties authorized for an RDA. Infection Control & Safety: Understand standard precautions, instrument processing workflows, sterilization monitoring, and occupational exposure prevention. Radiography & Clinical Procedures: Master radiation protection, intraoral radiographic techniques, dental materials, moisture control, and preventive procedures like coronal polishing and pit and fissure sealants. Your success requires more than recognizing familiar terms; it requires the clinical judgment to protect patients, maintain accurate records, and respond to emergencies. Equip yourself with the knowledge to become a confident, ethical, and patient-centered member of the dental team