The dentist dictates, "existing amalgam, mesio-occluso-distal, permanent mandibular right first molar." Using the ADA Universal Numbering System and standard surface abbreviations, how should the assistant enter this in the chart? A Tooth #30, surfaces DOM B Tooth #3, surfaces MOD C Tooth #19, surfaces MOD D Tooth #30, surfaces MOD
Practice questions based on the DANB Radiation Health and Safety (RHS), Infection Control (ICE), and General Chairside Assisting (GC) content outlines, CDC dental infection-prevention guidance, the OSHA Bloodborne Pathogens Standard, and ADA/FDA radiographic selection criteria. DANB, CDA, RHS, ICE, and GC are marks of the Dental Assisting National Board; this site is not affiliated with or endorsed by DANB. The duties a dental assistant may legally perform — and any radiography permit or certification required — are set by your own state dental board. Confirm current requirements with that board and with DANB before testing.
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