RecruitingNot ApplicableNCT07465952

The Effects of Price Reductions on Uptake of Preventive Dental Care


Sponsor

University of Chile

Enrollment

172,800 participants

Start Date

Mar 2, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

This study evaluates the effectiveness of price discounts in encouraging patients to schedule dental check-ups. Patients will be randomized to receive WhatsApp messages offering a preventive dental check-up at different price levels with or without a discount coupon for future dental treatments.


Eligibility

Min Age: 18 YearsMax Age: 70 Years

Inclusion Criteria19

  • Two groups are considered for this experiment, each defined by the following criteria:
  • Group 1:
  • Patients who have an appointment scheduled within the next 1 to 7 days
  • The appointment must be scheduled in the medical area only
  • The appointment must be at a center that also offers dental services
  • Patients who have not received a preventive dental message in the last month
  • Patients over 18 years old
  • Patients with a valid phone number to receive WhatsApp messages
  • Patients who have not attended a dental appointment in the last 6 months
  • Patients who do not have a future dental appointment scheduled
  • Group 2:
  • Patients who do not meet the criteria for Group 1 and who have an appointment the following day or attended an appointment the previous day
  • The appointment may be in the Medical, Laboratory, Imaging, Telemedicine, Kinesiology, Vaccination, or Procedures areas
  • Patients who have not received a preventive dental message in the last month
  • Patients over 18 years old
  • Patients with a valid phone number to receive WhatsApp messages
  • Patients who have not attended a dental appointment in the last 6 months
  • Patients who do not have a future dental appointment scheduled
  • 33% of the participants will be allocated to the large discount condition, 27.78% allocated to the intermediate discount condition, and 13.89% allocated to the intermediate discount + voucher condition.

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Interventions

BEHAVIORALDental appointment message with intermediate price discount

Patients receive a WhatsApp message offering a preventive dental check-up for $9,990.

BEHAVIORALDental appointment message with large price discount

Patients receive a WhatsApp message offering a preventive dental check-up for $4,990.

BEHAVIORALDental appointment message with intermediate price discount and coupon

Patients receive a WhatsApp message offering a preventive dental check-up for $9990, plus a coupon for future treatments.


Locations(1)

Partnering clinic network

Santiago, Chile

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NCT07465952