Polymrization shrinkage stresses;what is it,its sequelae and how to decrease it

I want a reserch about Polymrization shrinkage stresses;what is it,its sequelae and how to decrease it
The objectives of the reserch is
-define polymrization shrinkage
-its sequalae
-how to minimize its effect
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
The reserch is 6 pages the 7th page is the references