Comparison of effect of diode laser, astringent paste, and subgingival cord on gingival retraction during impression using a 3D intraoral scanner

Comparison of effect of diode laser, astringent paste, and subgingival cord on gingival retraction during impression using a 3D intraoral scanner: a randomized clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20120215009014N359

Enrollment

Registered

2020-06-08

Start date

2019-12-22

Completion date

Unknown

Last updated

2020-06-15

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

Conditions

Dental caries. Dental caries

Interventions

Intervention 1: Intervention group 1: Preparing and cutting teeth and applying temporary resin crown with hidden edges using a 980 nm diode laser with a tip of half a mm with low power of 0.7 to 2 W.

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Age of 18 to 65 years, Tooth decay, The need for dental veneers,

Exclusion criteria

Exclusion criteria: Inadequate oral hygiene, Periodontal disease

Design outcomes

Primary

Measure	Time frame
Gingival retraction. Timepoint: Before the intervention and immediately after that. Method of measurement: Using a 3D intraoral scanner.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSeyed Farzad Kohnepoushi

Hamedan University of Medical Sciences

m_kohnepoushi@yahoo.com+98 81 3838 0572

Outcome results

None listed

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