How will doctors get rid of plantar warts?

Many ways: From topical acids, freezes, lasers, topical meds, oral vitamin supplements etc.

Topical or surgical : Warts can be treated with various topical medications and compounds. Freezing of the wart can also be done as well as lazer therapy. They can also be surgically cut out. Avoid walking barefoot in public places. Change or spray shoes with disinfectant.

Many ways: You can treat warts many ways topical, laser, and feezing are some options.

Several treatments.: You can try over the counter wart removers, but be careful: i've seen them do more harm than good. Other options your doctor might offer include cryotherapy (freezing the wart), electrocautery (burning the wart), laser treatment, or several different topical chemical treatments. If the treatment is typically uncomfortable, your doctor can numb the area before proceeding.