How to retain and win back clients at your dental clinic
To retain and win back dental clients, track who's overdue for a follow-up, who has a pending treatment plan and who hasn't started treatment, reach out at the right moment with a personalized WhatsApp message and measure how many return. In Pro365 GO, HartSystem's dental clinic management software, the campaign agent builds these lists and sends the messages.
By Andreas Hartmann, CEO of HartSystem · updated October 15, 2026


The 4 moments when clients slip away
- 1After the assessmentGot the treatment plan and said they'd think about it.
- 2Before startingAccepted, but treatment never started.
- 3Halfway throughMissed a step and didn't rebook.
- 4After treatmentFinished and no one reminded them to come back.
Build your campaign
Choose who to reach. The campaign agent builds the list in Pro365 GO and automatically sends a personalized WhatsApp message at the time you set. Follow-ups and maintenance can go out on their own too.
AudienceRetention in practice

Retention concepts
| Metric | What it shows | How to calculate |
|---|---|---|
| Retention rate | The share of clients who kept coming back over a period. | Retention = returning clients ÷ clients seen in the prior period × 100 |
| Inactive client | Someone with no visit for longer than your clinic's threshold, such as 6 or 12 months. | Inactive = last visit more than X months ago |
| Win-back rate | How many inactive clients booked again after a campaign. | Win-back = inactive who booked ÷ inactive contacted × 100 |
Watch a campaign go out
From the client list in Pro365 GO to the message arriving on WhatsApp.
When I decided to computerize my clinic in 1995, I chose a company that was still young [...] All of this makes me a loyal and satisfied client. I recommend it.Dr. Odilon Lúcio de Almeida Rodrigues · Dentist
Patients come back when the system remembers for you.
In Pro365 GO, the new ProDent, the overdue-recall list, campaigns, confirmation and metrics work together. You set the plan once and your patient base is managed on its own.
- WhatsApp confirmationThe booked recall is confirmed on WhatsApp so the patient doesn't forget again.
- Electronic dental recordsWith each patient's history in the record, the recall conversation is about their treatment.
Who hasn't been back in over 6 months?
I found the patients overdue for more than 6 months. Shall I send you the list?
Pro365 GO is the new ProDent
This tool grew out of more than three decades of ProDent working alongside dental clinics. Now it's 100% web, comes with Pro365 AI and keeps the same HartSystem support team. If you use ProDent, the team helps bring your data over and trains your staff.
Our story- since 1993building software only for dentistry
- 100% webin the browser on computer, tablet and phone
- A schedule that confirmsslots, confirmations and recalls in one place
Frequently asked questions
How do I build client loyalty at a dental clinic?
Care for the experience at every step, remind clients of follow-ups and maintenance, follow pending treatment plans and stay in touch on the channel they use, like WhatsApp.
When is a client considered inactive?
It depends on your clinic. Many use 6 or 12 months without a visit. What matters is setting your threshold and reviewing the list often.
How do I win clients back without being pushy?
Use short, caring messages focused on the client's health and follow-up, respect contact consent (privacy laws) and professional ethics rules, and don't overdo the frequency.
Does Pro365 GO run WhatsApp campaigns?
Yes. The campaign agent builds lists by schedule, follow-ups and treatment plans and automatically sends personalized WhatsApp messages to one client or the whole list. Follow-ups and maintenance reminders can be automatic.
Discover a new way to run your dental clinic.
See how Pro365 GO connects scheduling, clients, treatments, finances, KPIs and artificial intelligence.
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