By comparing and analyzing the construction process and the quota level,the invest benefit and the use effect,the sustainability and service life cost index as well as value coefficient of two kinds of washing pipes,the technology and economy evaluation of some related quota of utensil are conducted,and quote of steel pipes and washing pipes is correspondingly adjusted.

Advances on sodium hypochlorite solution used as root canal irrigation;

However, there still lack of relatively systematic reports about the effect of root canal irrigation solutions on the repair of apical and periapical tissue.

A scanning electron microscopic study on cleaning effectiveness of root canal irrigation with chlorine dioxide.;