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NCT Number: NCT07083453

Financial Incentives to Encourage Uptake of Preventive Dental Care Services Among Adults

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.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Conditions

Dental Behavior Health Behavior Patient Acceptance of Health Care Treatment Adherence and Compliance

Age range

21 year–85 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

National University of Singapore

Singapore

About this study

Aim:

The project aims to assess the effect of various factors on the uptake of preventive dental services, including the impact of out-of-pocket costs on the uptake of preventive dental services.

The hypotheses of the study are:

  • Out-of-pocket costs affect the uptake of preventive dental services
  • A financial subsidy covering at least 50% of costs would increase the uptake of preventive dental services
  • Financial subsidies have a greater impact on dental utilization among low-income adults compared to high income adults

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

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

Exclusion criteria

  • Individuals with cognitive impairments or mental health conditions

Treatment and study plan

Comparator 1

Other

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

Comparator 2

Other

20 rebate offered without risk assessment

Comparator 3

Other

$30 rebate offered without risk assessment

Comparator 4

Other

$50 rebate offered without risk assessment

Control

Other

$10 rebate offered with no risk assessment

Primary outcomes

  1. Uptake of dental services

    Time frame: From baseline to up to 2 years after intervention

    Uptake of dental services

Secondary outcomes

  1. Change in oral hygiene practices

    Time frame: From baseline to 1 year after intervention

    Change in % of participants that brush their teeth at least twice a day

  2. Change in dietary practices

    Time frame: From baseline to 1 year after intervention

    Change in % of participants that consume sugary foods or drinks at least once a day

  3. Change in oral health related quality of life

    Time frame: From baseline to 1 year after intervention

    Change in Oral Health Impact Profile-14 (OHIP-14) score. Minimum score: 0, Maximum score: 56. Higher scores reflect a worse outcome

  4. Change in quality of life

    Time frame: From baseline to 1 year after intervention

    Change in EuroQol five-dimension, five-level (EQ-5D-5L) score. Health states range from 11111 (best possible health state) to 55555 (worst possible health state).

Sponsors and collaborators

Lead sponsor

National University of Singapore

Other

Registry information

Important dates

Study start
2023
Primary completion
2026
Study completion
2026
First posted
Jul 24, 2025
Registry last updated
Jul 24, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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