Teeth Whitening • English Conversation Questions

What are the different methods available for teeth whitening?
How does teeth whitening work?
Are there any potential side effects or risks associated with teeth whitening?
What factors can contribute to teeth discoloration?
Are there any natural remedies or home remedies for teeth whitening?
How long does the teeth whitening process typically take?
Is teeth whitening suitable for everyone, or are there certain conditions that may exclude someone from undergoing the treatment?
How often should one undergo teeth whitening to maintain the results?
What are the alternatives to professional teeth whitening done by a dentist?
Are there any specific oral care practices one should follow after teeth whitening?
Can teeth whitening treatments be done at home or should they always be done in a dental office?