Wang, Ren-fei <br/><br/>
[The occurrence of the endodontic interappointment emergencies after root canal preparation by step back or step down technique].  [electronic resource] 

 -  Shanghai kou qiang yi xue = Shanghai journal of stomatology  Jun 2003 
 - 235-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1006-7248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Emergencies<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Pain, Postoperative--etiology<br/>Root Canal Preparation--adverse effects<br/>Toothache--etiology