title: [Analysis of 28 clinical cases and bone in stress around every tooth with pericementitis caused by occlusal trauma]
abstract: 28 cases of pericementitis on occlusal trauma were observed,treated and followed up for 2 years;The bone in stress around every involved tooth was analysed according to the stress analysis by three demensinal photoelastic models loading excessive occlusal forces in various direction and coincided with the area of abnormality on the tooth radiograph.The result showed that the present methods of examination and treatment for tooth with traumatic pericementitis could diagnose exactly and cure effectively this disease;the rate of cure for 2 years was 86.7%,subtle occlusal adjustment by 3-4 appointments could maintain stable curative effect.It is suggested that clinicians should pay more attention to discover and treat both with traumatic pericementitis,the earliest clinical manifestation of both injury in occlusal trauma in order to protect them from severe injury in occlusal disharmony as well as periodontal trauma.
authors.affiliation: School of Stomatology, Beijing Medical University. Beijing 100081,China.
authors.forename: J D
authors.initials: JD
authors.lastname: Wang
authors.forename: S M
authors.initials: SM
authors.lastname: Zhou