Which of the following patient-applied substances is most effective in reducing dentinal hypersensitivity?

Question

Quizplus · Accepted Answer

Potassium nitrate is the most effective patient-applied substance in reducing dentinal hypersensitivity. It works by blocking nerve impulses and reducing the sensitivity of nerve endings in the pulp of the tooth. Sodium fluoride can also be helpful in reducing sensitivity, but not as effective as potassium nitrate. Strontium chloride and oxalate salts have also been used for this purpose, but their effectiveness is not as well established as potassium nitrate.

Which of the Following Patient-Applied Substances Is Most Effective in Reducing