Root canal treatment is essential step to eliminate pain and preserve tooth structures. However, errors could happen unintentionally such as ledge, perforation and sealer extrusion.

Pain through an endodontic treatment is one of the elements that most of the patients seek treatment to be relived.

One the current systemic review analyzed the pain after root canal treatment could be up to half the patients.

The purpose of this study is to evaluate and record the postoperative pain among patients who are undergoing root canal treatment.

"Inclusion Criteria":

• Primary root canal
• Asymptomatic tooth with or without apical radiolucency
• Patient older than 18 and younger than 70
• American Society of Anesthesiology (ASA) Class I or II

"Exclusion Criteria":

• Patient with preoperative pain
• Periodontal probing more than 5mm
• When patency could not be achieved
• pregnant patient.,
• patients who could not properly follow the instructions for filling the visual analog card (VAS) were excluded.
• Previously treated or initiated

Primary dental care