title: Perforations, blocks, ledges, and transportations: overcoming barriers to endodontic finishing.
authors.affiliation: Center for Endodontics, Tacoma, WA, USA. johnwest@centerforendodontics.com
authors.forename: John D
authors.initials: JD
authors.lastname: West
mesh_terms: D017607:Aluminum Compounds / Q000627:therapeutic use; D017610:Calcium Compounds / Q000627:therapeutic use; D020878:Device Removal; D004338:Drug Combinations; D006801:Humans; D010087:Oxides / Q000627:therapeutic use; D011176:Post and Core Technique; D019233:Retreatment; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012389:Root Canal Obturation; D018915:Root Canal Preparation / Q000009:adverse effects; D012390:Root Canal Therapy; D017640:Silicates / Q000627:therapeutic use; D019227:Tooth Apex / Q000503:physiopathology; D014092:Tooth Root / Q000293:injuries
chemical_list: D017607:Aluminum Compounds; D017610:Calcium Compounds; D004338:Drug Combinations; D010087:Oxides; D012387:Root Canal Filling Materials; D017640:Silicates; C086631:mineral trioxide aggregate