When a researcher starts a research project to prove or disprove the initial theory, this is based upon:

Which of the following is not a potential benefit of OnsetTM?

A) Increases duration time of anesthesia B) Decreases the onset time of anesthesia C) Decreases tissue irritation D) Produces carbon dioxide which has an anesthetic effect on tissues

____________________ is a specialty within the field of dentistry that focuses on ways to prevent and control oral diseases and promote oral health within the community

Fill in the blank(s) with correct word