Dental Assistant Practice Exam

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How are mandibular teeth identified according to the Universal Numbering System?

  1. Patients left to right (17-32)

  2. Patients right to left (1-16)

  3. Normal jaw relations

  4. Three Classifications

The correct answer is: Patients left to right (17-32)

In the Universal Numbering System, mandibular teeth are identified by assigning numbers starting from the patient's left side and moving to the right. For the mandibular arch, this numbering begins with tooth number 17 and continues sequentially through tooth number 32. This numbering system allows for a standardized method of identifying teeth in a way that is universally understood among dental professionals. This approach is particularly useful in clinical settings, as it ensures clear communication regarding dental procedures and patient records. As for normal jaw relations and classifications, while these concepts are important in the dental field, they do not directly relate to the identification of teeth in the Universal Numbering System. Understanding the specific sequence and orientation in which teeth are numbered is fundamental for anyone working in dental assisting or related fields.

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