Clinical and Biochemical assessments of Passive Self-ligating Bracket System during Orthodontic treatment

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20180119002

Enrollment

Unknown

Registered

2018-01-19

Start date

2014-01-15

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Tissue reaction to orthodontic force from two types of bracket systems passive self&#45

Interventions

Different bracket types

Experimental Device

Bracket system

Eligibility

Sex/Gender

All

Age

14 Years to 22 Years

Inclusion criteria

Inclusion criteria: minimum crowding; no evidence of gingival problem; lack of antibiotic therapy; absence of anti-inflammatory drug; no pregnancy

Exclusion criteria

Exclusion criteria: gingivitis; periodontitis

Design outcomes

Primary

Measure	Time frame
Clinical and Biochemical days ELISA test from gingival crevicular fluid of investigation teeth	—

Secondary

Measure	Time frame
Pain or discomfort from orthodontic treatment days questionales	—

Countries

Thailand

Contacts

Public ContactDhirawat Jotikasthira

Chiangmai University

dhirawat.j@gmail.com0819980671

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Clinical and Biochemical assessments of Passive Self&#45;ligating Bracket System during Orthodontic treatment