HESI General Chairside Assisting Practice Exam 2026 – The All-in-One Guide to Achieve Exam Success!

Question: 1 / 400

What is the proper angle for placing a dental mirror to visualize the maxillary molars?

Approximately 90 degrees

Approximately 30 degrees

Approximately 45 degrees

Placing the dental mirror at an angle of approximately 45 degrees is the correct approach to visualize the maxillary molars effectively. At this angle, the clinician can optimize their line of sight and view the posterior teeth clearly, reducing any obstruction that may impede visibility. The 45-degree angle allows light to reflect into the mouth and enhances visibility of the areas required for examination or treatment.

Angles too steep or too shallow would compromise the ability to see the maxillary molars clearly. For instance, a 90-degree angle would likely lead to inadequate reflection of light and hinder the clinician’s ability to view the molars properly. Similarly, a 30-degree angle may not provide an optimal perspective for the upper posterior teeth, which can result in limited visibility. Thus, utilizing a 45-degree angle is key for effective visualization in dental procedures involving the maxillary molars.

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Approximately 75 degrees

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