The Effects of Price Reductions on Uptake of Preventive Dental Care
University of Chile
172,800 participants
Mar 2, 2026
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
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
Patients receive a WhatsApp message offering a preventive dental check-up for $9,990.
Patients receive a WhatsApp message offering a preventive dental check-up for $4,990.
Patients receive a WhatsApp message offering a preventive dental check-up for $9990, plus a coupon for future treatments.
Locations(1)
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NCT07465952