Improving the success rate of apicectomies by using Mineral Trioxide Aggregate

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN22673915

Enrollment

320

Registered

2004-01-23

Start date

1997-06-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Oral health/stomatognathic diseases: Oral health/stomatognathic diseases Oral Health

Interventions

1. (Experimental group) root-end resection with minimal bevelling followed by ultrasonic cavity preparation, and the filling material will be the newly developed Mineral Trioxide Aggregate (MTA). 2. (

Eligibility

Inclusion criteria

Inclusion criteria: Adult patients who are referred to Guy's Hospital for apicectomy will be invited to participate. The entry criteria will be that the tooth has apical periodontitis, the tooth could not be adequately and better managed by root canal retreatment, the tooth has an adequate root canal filling, the crown of the tooth is adequately restored, and periodontal probing depths <4 mm except for a unilocular sinus tract.

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

Measure	Time frame
External assessment of degree of healing observed in post-operative radiographs.	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026