This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Most commonly recommended method of removing plaque from the interdental area: 
Select and explain. 
A. Dental floss., B. Wooden tips, C. Plastic tips., D. Interdental brushes.
A: Dental floss.
Answer: A: Dental floss. 
Explanation: Dental floss is the most commonly recommended mothod of removing plaque from the interdental area.
Types of dental floss:

Twisted or non-twisted
Bonded or non-bonded
Waxed or unwaxed
Thick or thin