Hazards of treatment of teeth in close proximity to maxillary sinus

I want a reserch about hazards of treatment of teeth in close proximity to maxillary sinus
The objectives are in the photo please follow them so well!!!

The research should be done in Word and sent as a PDF, the research should include ( introduction, aim of research, body , conclusion and references ) the font size should be 16 for the titles and 14 for the rest of the research, type on font must be (time new roman), and the spaces between the lines 1.15, all the information should be from a trusted resource. No plagiarism and the introduction maximum 20 lines only the reserch is 6 phages the 7th is refrences