In the Universal Numbering System,the permanent maxillary second premolars are:
A)4 and 13.
B)5 and 12.
C)20, 21, 28, and 29.
D)34, 35, 44, and 45.

Question

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In the Universal Numbering System,the maxillary second premolars are #4 on the maxillary right and #13 on the maxillary left.
In the Universal Numbering System,the maxillary first premolars are #5 on the maxillary right and #12 on the maxillary left.
In the Universal Numbering System,the premolars are #4 and #5 on the maxillary right and #12 and #13 on the maxillary left.

In the Universal Numbering System,the Permanent Maxillary Second Premolars Are