Читать книгу A Practical Approach to Special Care in Dentistry - Группа авторов - Страница 77

 The main cause is unclear

 Physical triggers: hyperkinetic syndrome, brain damage, low intelligence, anxiety states, drug abuse, high intake of refined sugar and food additives (e.g. tartrazine sensitivity)

 Social triggers: child–parent relationship, rejection or overprotection, inconsistent discipline, lack of parental love, marital disharmony, depression, institutionalised, excessive demands from school

 Evidence for familial predisposition