In the Universal Numbering System,the four second permanent molars are:
A)#16, #26, #36, and #46.
B)#2, #15, #18, and #31.
C)#3, #14, #19, and #30.
D)#18, #28, #38, and #48.

Question

Quizplus · Accepted Answer

In the Universal Numbering System,the upper right second permanent molar is #2,the upper left second permanent molar is #15,the lower left second permanent molar is #18,and the lower right second permanent molar is #31.
The International Standards Organization System identifies each quadrant with a number and then numbers the teeth from central to molars #1 to #8.Tooth #16 would be the upper right first molar in the ISO system.
In the Universal Numbering System,the upper right first permanent molar is #3,the upper left first permanent molar is #14,the lower left first permanent molar is #19,and the lower right first permanent molar is #30.
In the ISO system,#18,#28,#38,and #48 represent the permanent third molars.

In the Universal Numbering System,the Four Second Permanent Molars Are