智齿是指第三磨牙,智齿冠周炎是指第三磨牙萌出困难引起的一种并发症。它主要发生于18～25岁的青年,临床上以下颌第三磨牙冠周炎最多见。临床表现为:后磨牙区肿胀、疼痛、张口受限,口臭及局部有脓性分泌物溢出,严重的全身不适、发热、头痛,甚至引起败血症或脓毒血症。高校学生自入学至毕业正处在该病发病期,由于大学时期的学习、生活使学生的智齿冠周炎的发病具有一定的特点,因此,针对 Wisdom teeth refers to the third molars, Wisdom pericoronitis refers to the third molar eruption caused by a complication. It occurs mainly in young people aged 18 to 25 years, the most common clinical mandibular third molars pericoronitis. Clinical manifestations are: post-molar area swelling, pain, mouth restriction, bad breath and local purulent discharge overflow, severe general malaise, fever, headache, and even cause sepsis or sepsis. College students from entering the school to graduation is at the onset of the disease, due to the study and life during the university so that students have the wisdom of pericoronitis onset has certain characteristics, therefore, for