NCT07083453

Brief Summary

The study aims to assess if financial rebates affect the uptake of dental services among adults, determine the optimal level of financial rebates to encourage dental visits, and assess the factors associated with the uptake of dental services.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
5,500

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Dec 2023

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2023

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

July 7, 2025

Completed
17 days until next milestone

First Posted

Study publicly available on registry

July 24, 2025

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2026

Completed
Last Updated

July 24, 2025

Status Verified

July 1, 2025

Enrollment Period

2.3 years

First QC Date

July 7, 2025

Last Update Submit

July 16, 2025

Conditions

Dental

Keywords

Dental careOral healthEconomicsReimbursementIncentivePatient acceptance of health care

Outcome Measures

Primary Outcomes (1)

  • Uptake of dental services

    Uptake of dental services

    From baseline to up to 2 years after intervention

Secondary Outcomes (4)

  • Change in oral hygiene practices

    From baseline to 1 year after intervention

  • Change in dietary practices

    From baseline to 1 year after intervention

  • Change in oral health related quality of life

    From baseline to 1 year after intervention

  • Change in quality of life

    From baseline to 1 year after intervention

Study Arms (5)

Control

ACTIVE COMPARATOR

$10 rebate offered

Other: Control

Comparator 1

ACTIVE COMPARATOR

$10 rebate offered with online and caries risk assessment

Other: Comparator 1

Comparator 2

ACTIVE COMPARATOR

$20 rebate offered

Other: Comparator 2

Comparator 3

ACTIVE COMPARATOR

$30 rebate offered

Other: Comparator 3

Comparator 4

ACTIVE COMPARATOR

$50 rebate offered

Other: Comparator 4

Interventions

Comparator 1OTHER

$10 rebate offered with an online caries and periodontal risk assessment

Comparator 1
Comparator 2OTHER

20 rebate offered without risk assessment

Comparator 2
Comparator 3OTHER

$30 rebate offered without risk assessment

Comparator 3
Comparator 4OTHER

$50 rebate offered without risk assessment

Comparator 4
ControlOTHER

$10 rebate offered with no risk assessment

Control

Eligibility Criteria

Age21 Years - 85 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Between 21 and 85 years of age (inclusive)
  • Able to provide informed consent to participate in the study
  • Able to read and comprehend English

You may not qualify if:

  • Individuals with cognitive impairments or mental health conditions

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National University of Singapore

Singapore, Singapore

Location

MeSH Terms

Conditions

Patient Acceptance of Health Care

Condition Hierarchy (Ancestors)

Treatment Adherence and ComplianceHealth BehaviorBehavior

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Fellow

Study Record Dates

First Submitted

July 7, 2025

First Posted

July 24, 2025

Study Start

December 1, 2023

Primary Completion

March 31, 2026

Study Completion

March 31, 2026

Last Updated

July 24, 2025

Record last verified: 2025-07

Locations

SG(1)