Open Dental is the most API-accessible major dental practice management system on the market. Unlike some proprietary systems that require middleware or vendor-approved integration partners, Open Dental maintains an open REST API with well-documented endpoints for scheduling, patient records, and appointment management. For practices looking at AI-powered call handling, this is a significant practical advantage.
Here's what that actually means in terms of what can be automated, what can't, and what the integration looks like when it's running.
What the Open Dental REST API exposes
The Open Dental API gives read/write access to the core scheduling and patient record objects an AI receptionist needs: appointment slots, providers, operatories, appointment types, patient records, and contact information. The API is consistently maintained across Open Dental Cloud and self-hosted installations, so the integration behaves the same regardless of your deployment.
This means an AI receptionist can query real-time availability — filtered by provider, appointment type, and time preferences — and book or reschedule appointments with the same data your front desk would see when working in Open Dental directly.
What AI can automate through Open Dental
New patient appointment booking. The AI queries available slots, presents options matching the patient's stated needs (appointment type, provider preference, timing), and books the selected slot. A new patient record is created with the intake information captured during the call. The appointment appears in Open Dental immediately.
Rescheduling. Existing patients calling to move an appointment: the AI reads their existing booking, cancels or marks it appropriately, and books the new slot — all within the call.
Availability queries. 'Do you have anything next Tuesday afternoon with Dr. Martinez?' The AI queries Open Dental, answers with actual available slots, and books based on the patient's choice.
Call logging. Every call handled by the AI generates a transcript and structured summary. These are logged to the patient's chart in Open Dental and to your team dashboard.
What still requires human judgment
Complex scheduling exceptions. If a patient needs to be scheduled with a specific provider who's out that week, requires a longer appointment block for a complex procedure, or has special scheduling notes that affect how their appointments are handled — these nuances are best confirmed by your team. The AI handles the common case; edge cases escalate.
Clinical questions. A patient asking whether they need a cleaning before a crown prep, or whether their X-rays from another office are usable, is asking clinical questions. The AI can take the message and set up a callback from a clinical team member; it doesn't answer questions requiring clinical judgment.
Insurance verification. The AI captures insurance information during new patient intake. Actual eligibility verification against your payer portal requires your billing team.
What setup looks like
Open Dental integration is one of the fastest to set up because there's no middleware layer or vendor approval process. Setup involves: API credential configuration, appointment type mapping (making sure the AI knows what 'new patient exam' vs 'hygiene visit' means in your specific Open Dental configuration), provider and operatory configuration, and a test run against your live schedule before go-live.
For Hestur AI, this runs 3–5 business days from kickoff to live calls. The open API removes the timeline constraints that other PMS integrations have.
If your practice runs Open Dental, book a 20-minute call and we'll walk through your specific configuration, confirm your version, and give you a fixed quote before we start.