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Abstract

In this study, the recent  and numerous researches about the relationship between periodontal diseases and mental health has been reviewed, and then subsequently it has been believed that the association and  the relationship between these two matters is very wide and more important than what humans had thought up to today. This research deals with how periodontal diseases may cause or aggravate various factors such as stress, schizophrenic diseases, anxiety, psychological dysfunctions, etc. and sometimes even vice versa.  Although up to today decisive association and connections between periodontal diseases and mental illnesses have been discovered so far, but with confidence it can be said that still so many questions and challenges remain unanswered in this regard.  In this present study, in addition to clarifying and making out the above-mentioned causes, the necessity of conducting more research as well as deep curiosities is also pointed out and highly suggested.