Any topic (writer’s choice)

Following your reading of the journal article of this week and chapter three in your textbook, you need to write a paper consisting of three pages, with at least TWO additional references to support your paper. In addition, you should follow APA style within your writing, and also you must answer the following questions:
1. In research study design, what are the main differences between case study and nested case case study?
2.  Why is important for the  dental hygienist to be families with the dental hygiene products; contents, uses, bio compatibility, side effects..etc and what are the relationships between dental products and  periodontal conditions in term of the risk factors for dental hygiene field?
3. What are the major findings after you read the journal article? what lesson you may share with your colleagues following your reading?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4784138/