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Study of the characteristics and safety of two files after being used in three root canal treatments

Analysis of the mechanical properties and safety of two rotary systems after three clinical uses

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-4hptrpt
Enrollment
Unknown
Registered
2025-04-08
Start date
2025-04-10
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Root canal therapy

Interventions

This is a randomized controlled clinical study with two arms, double-blind. A total of 48 lower first and second molars from patients requiring endodontic treatment will be selected. Clinical and radi
E06.397.778.889

Sponsors

Universidade de São Paulo
Lead Sponsor
Universidade de São Paulo
Collaborator

Eligibility

Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Adult patients of both genders; aged 18 to 60 years; requiring primary endodontic treatment of permanent lower first and second molars with completely formed apices; with curvature between 10º and 20º (Schneider, 1971)

Exclusion criteria

Exclusion criteria: Patients with previous endodontic treatments; fractures; root resorptions; teeth with an open foramen; and with a pronounced degree of curvature; severely destroyed teeth in which absolute isolation cannot be achieved.

Design outcomes

Primary

MeasureTime frame
It is expected that there will be no differences between new and used instruments regarding (i) cyclic fatigue and (ii) torsional fatigue.—

Secondary

MeasureTime frame
Secondary outcomes are not expected.—

Countries

Brazil

Contacts

Public ContactAna Limoeiro

Faculdade de Odontologia de Bauru

grasielalimoeiro@gmail.com+55 (73) 988741956

Outcome results

None listed

Source: REBEC (via WHO ICTRP)