Final answer:
The correct dental formula in human beings for permanent teeth is 2:1:2:3, which stands for 2 incisors, 1 canine, 2 premolars, and 3 molars on one side of the mouth. Therefore, the answer is B. 2123.
Step-by-step explanation:
The dental formula represents the number of different types of teeth in one half of the mouth (either upper or lower jaw) in human beings. It is written in the form incisors:canines:premolars:molars for one side of the mouth. In adults, the typical dental formula for permanent teeth is 2:1:2:3, representing 2 incisors, 1 canine, 2 premolars, and 3 molars. This includes the wisdom teeth, which are the third set of molars.
So, the correct dental formula in human beings is: B. 2123. This means that on one side of the mouth, there are typically 2 incisors, 1 canine, 2 premolars, and 3 molars. Both the upper and lower jaws have this same arrangement, and since each quadrant is symmetrical, multiplying the numbers by 2 will give the total count of teeth as 32.
Hence, the answer is option B.
Complete question is as follows:
Dental formula in human beings is
A. 3223
B. 2123
C.1232
D. 2233