Force decay and color changes of enhanced and traditional elastomeric chains in orthodontic patients

Force decay and color changes of enhanced and traditional elastomeric chains in orthodontic patients: single center, double-blind randomized clinical trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20120428009569N7

Enrollment

216

Registered

2019-05-15

Start date

2019-06-22

Completion date

Unknown

Last updated

2019-08-26

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

Conditions

Force decay and color changes of enhanced and traditional elastomeric chains in orthodontic patients. Encounter for fitting and adjustment of orthodontic device

Interventions

Intervention 1: Control group: Traditional elastomeric chains. Intervention 2: Intervention group: Enhanced elastomeric chains.

Eligibility

Sex/Gender

All

Age

12 Years to 40 Years

Inclusion criteria

Inclusion criteria: 12–40 years of age 0.019 x 0.025-in stainless steel archwire inserted in 0.022-inch slot brackets There is no space between upper incisors Informed consent

Exclusion criteria

Exclusion criteria: Poor oral hygiene Upper incisors with abnormal size Patients who drink large amount of coffee or tea Smoking patients

Design outcomes

Primary

Measure	Time frame
Percentage of remaining force of elastomeric chains. Timepoint: Initial force, after 5 minutes and after 1 and 4 weeks of intraoral use. Method of measurement: Universal testing machine.	—

Secondary

Measure	Time frame
Color changes of elastomeric chains. Timepoint: before intervention and after 1 and 4 weeks of intraoral use. Method of measurement: spectrophotometer (Spectroshade Micro,MHT,Italy).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAmir Mohammadi

Tabriz University of Medical Sciences

amirortho@gmail.com+98 41 3329 4312

Outcome results

None listed

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