Yes indeed. It is the third molar (wisdom tooth)
The third adult molar is also called wisdom tooth.
A back tooth is another name for a molar tooth.
Tooth.
If it is an adult molar (not a baby tooth), no - once it's gone, it is gone forever.
molar
Each molar tooth typically contains multiple nerves within its pulp chamber, with the exact number varying depending on the individual tooth and person. Generally, a molar has three to four roots, each containing one or more nerve branches. In total, there can be several nerves associated with each molar, contributing to the tooth's sensitivity and pain response. However, the precise count can differ significantly from one molar to another.
tooth
molar
In the armed services' tooth numbering system, tooth number 13 refers to the upper left first molar. This system is based on the FDI World Dental Federation notation, where teeth are numbered from 1 to 8 for each quadrant, starting from the midline. Thus, tooth number 13 specifically designates this molar in the upper left quadrant of the mouth.
When a molar is chipped it will need to be repaired by a dentist. If the tooth is not repaired the tooth can become further damaged or possibly infected.
Normally a wisdom tooth is a third molar.
The dentin is not a tooth! Aunt Laura