Why are my teeth transparent? is there any treatment for that?

Possible: It depends on the degree. All teeth are translucent to some degree. However sometimes excessinf wear can cause teeth to thin out so that they appear more" transparent". Have your dentist check your bite. Poor occlusion can cause this and fixing the bite and then proper restoration can be done.

Some teeth: Can be genetically thin and it can be aggravated if there's deep bite. Every time the jaw moves forward and back, the pressure and friction on the teeth can cause attrition plus erosion on people with gerd and bulimia. Teeth can become susceptible to fracture as it gets worse. It may require you to see both a dentist and and an md depending on the cause.