文档介绍：Role of Occlusion in the Etiology and Treatment
of Periodontal Disease
IRVING GLICKMAN
Tufts University School of Dental Medicine, Boston, Massachusetts 02111, USA
Early in this century, trauma from occlusion* interpreted the ability of trauma from occlu-
(also occlusal trauma, traumatism) was rec- sion for repairing itself to mean that repair
ognized as a pathologic change occurring in would occur even in the presence of persis-
the periodontium,1 but it was considered a tent abnormal occlusal forces. In reality, the
separate condition from periodontitis, the research in which trauma from occlusion
common form of chronic destructive peri- was demonstrated as capable of repair was
odontal disease. It was the prevailing con- in experimental animals in which the injured
cept that periodontitis was purely an inflam- teeth could move away from the offending
matory disease, in which periodontal pockets forces. When the teeth were prevented from
and tissue destruction were produced by in- moving, continuous injury resulted in severe
flammation alone. When trauma from occlu- widening of the periodontal ligament at the
sion was also present, it was thought to be expense of the bone, and also excessive tooth
unrelated to the destruction, and tooth loss
was attributed to This sepa- The validity of separating the trauma from
ration of periodonti