Assessment of changes in esthetic properties of clear aligners when coated with silver nanoparticles

Analysis of change in optical properties of clear aligners after silver nanoparticle coating done using physical vapor deposition method - NIL

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2023/08/056623

Enrollment

Registered

2023-08-18

Start date

Unknown

Completion date

Unknown

Last updated

2023-08-21

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

Conditions

Health Condition 1: K038- Other specified diseases of hard tissues of teeth Health Condition 2: K088- Other specified disorders of teethand supporting structures

Interventions

Intervention1: Silver nanoparticle coated on clear aligners: 100nm thickness of silver nanoparticle coating. Patients will be asked to wear 1 set of aligners for a period of 14 days. Control Intervent

Eligibility

Inclusion criteria

Inclusion criteria: 1.Arch length-tooth material discrepancy less than or equal to 4mm 2.Non-extraction treatment plan 3.Localized/Generalized spacing 4.Patients between the age group of 15-35 years

Exclusion criteria

Exclusion criteria: 1.Arch length-tooth material discrepancy more than 4mm 2.Poor periodontal health 3.Age more than 35 years 4.Previous history of orthodontic treatment 5.History of systemic diseases

Design outcomes

Primary

Measure	Time frame
To evaluate absorbance & reflectance at wavelengths 400nm, 480nm, 560nm, 640nm and 700nm : 1. Of uncoated clear aligners 2. Of silver nanoparticle coated clear aligners.Timepoint: 4 weeks and 8 weeks	—

Secondary

Measure	Time frame
To evaluate & compare absorbance and reflectance at wavelengths 400nm, 480nm, 560nm, 640nm and 700nm of samples (coated/uncoated) before and after 14 days of intra oral wear.Timepoint: To evaluate & compare absorbance and reflectance at wavelengths 400nm, 480nm, 560nm, 640nm and 700nm of samples (coated/uncoated) before and after 14 days of intra oral wear.	—

Countries

India

Contacts

Public ContactDr Sunanda Roychoudhury

Shree Bankey Bihari Dental College and Research Centre

sunanda.9@hotmail.com9810007709

Outcome results

None listed

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