Summary Pain is a worldwide health disorder causing depression and decrease in daily activities, as well as cognitive, memory and attention impairments. In this regard, mucosal contact headache is a second type of headache disorder in the International Classification of Headache Disorders. Some studies have reported that contact points may wor...

By Seyyed Abdollah Madani, Seyyed Abbas Hashemi, Seyyed Amirhosein Morshedzadeh