Lytovchenko I Iu, Neporada K S, Tarasenko L M
Fiziol Zh (1994). 1995 Jan-Apr;41(1-2):104-7.
It has been found that chronic stress in rats promotes an increase in the general collagenolytic activity of the parodontium soft tissues and resorption of its osseous tissue. Analogical changes in the mentioned parameters in case of spontaneous parodontitis confirm the significant role of a chronic stress in genesis of the parodontium damage.
研究发现，大鼠的慢性应激会促使牙周软组织的总体胶原olytic活性增加及其骨组织吸收。自发性牙周炎时上述参数的类似变化证实了慢性应激在牙周组织损伤发生中的重要作用。
