In order to achieve the fourth goal of the Sustainable Development Goals, the Department of Dental Technology published an activity entitled ((Study of excessive use of phones and its impact on the emergence of some bad habits in children)) conducted by the technician Mustafa Abboud Hassan and Mrs. M.M. The banks of Kamel Kazem and the activity included:<br /><br />A brief summary of the study: This study examines the impact of excessive use of smartphones on children, by studying cases of children suffering from social isolation.