A Clinical Study to Compare Two Revascularization Protocols to Treat Non-vital Teeth With Incomplete Root Formation

Therapuetic Areas:Dental / Maxillofacial Surgery
Age Range:6 - 25
Start Date:October 2012
End Date:April 2019
Contact:Tatiana M Botero, DDS, MS

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A Randomized Controlled Clinical Trial of Regenerative Protocols to Treat Immature Necrotic Teeth

Both methods tested in this study disinfect the non-vital root canals and induce blood clot
formation inside the root canal. One method places calcium hydroxide inside the root canal
after disinfection and the blood clot is induced four weeks later.

The other method performs disinfection and induction of blood clot in one appointment. The
investigators hypothesize that both methods will obtain the same success rate in eliminating
infection, increase in root length and canal walls thickness.

Collagen is placed on top of the blood clot, followed by white MTA. Glass ionomer is used to
seal the access to the canal, which will be replaced by a permanent restoration 3 months

Inclusion Criteria:

- Healthy or having a mild systemic disease (ASA Physical Status 1 or 2), with no
contraindications to the treatment.

- Cooperative.

- Clinical diagnosis of pulp necrosis based on cold test, electric pulp test as well as
an identified cause of pulp necrosis such as caries, deep restorations, dental
anomalies, history of trauma, associated with radiographic and/or clinic signs of
periapical lesion.

- Open apex with a diameter of at least 1mm. For teeth with more than one apical
foramen, at least one foramen needs to be 1mm wide.

- Tooth is restorable and periodontally stable.

Exclusion Criteria:

- Pregnancy.

- Evidence of pathological external or internal root resorption, root fracture or
We found this trial at
Ann Arbor, Michigan 48109
Principal Investigator: Tatiana M Botero, DDS, MS
Phone: 734-764-1540
Ann Arbor, MI
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