App Privacy Policy

Date Published: 23^rd December 2025

Welcome to the 21D App support page!
Your privacy and the protection of your personal and health-related information are very important to us. This Privacy Policy explains how we collect, use, store, and protect your information when you use the 21D App.

1. Introduction
The 21D App provides educational content and optional digital tools to support individuals interested in full mouth dental implant treatment.
Certain features of the app allow users to submit information, including video content, to support remote clinical triage.The app does not provide a medical diagnosis and does not replace an in-person clinical consultation.

2. Information We Collect
We collect the following categories of information depending on how you use the app:
‍
‍a. Basic Account Information
‍When you create an account or interact with the app, we may collect: Name and surname, Email address, Phone number, Randomly generated UUID.

‍b. Usage Information
To help us improve the app experience, we collect anonymised or aggregated data relating to educational content, including:
- Videos viewed
- Completion progress
- Engagement signals (e.g. likes or dislikes).
This data does not directly identify you.

‍c. Assessment or Contact Form Information (Optional) 
‍When you request a free clinical assessment, we may collect:
- Treatment interest (Upper Jaw, Lower Jaw, or Both)
- Age range (Under 45 or Over 45)
- Closest clinic location (from a dropdown)
- Confirmation that treatment is not subsidised by the NHS
- How you heard about us (e.g., online ads, social media, referral)

d. Video Uploads for Clinical Triage
‍If you choose to upload a video through the app, we may collect and process:
- Video recordings submitted by you
- Visual information relating to your oral condition
These videos may contain health-related personal data and are used solely for:
- Preliminary clinical triage
- Determining suitability for further consultation
- Supporting communication with our clinical team
Videos are reviewed only by authorised personnel and are not used for marketing or training without explicit consent.

e. Live Support Chat Information 
If you use the in-app live support chat, we may collect:
- Chat messages sent to our support team
- Basic account identifiers (Name, Email, UUID) to associate chat with your account

3. How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve our app and services
- Understand which videos and content are most helpful or popular
- Personalize your experience within the app
- Communicate with you (e.g. appointment scheduling, inquiries)
- Send updates, educational materials or promotional information (if you consent)
- Comply with legal obligations

‍Legal Basis for Processing
‍We process your personal data on the following legal bases:
- Consent – when you sign up, contact us, or agree to receive updates or marketing materials.
- Legitimate Interest – to analyse and improve app performance and user experience.
- Legal Obligation – when required to comply with UK laws or regulatory authorities.

4. How We Store and Protect Your Data
Your information is securely stored using industry-standard encryption and access controls.We take appropriate technical and organisational measures to prevent unauthorised access, alteration, or misuse of your data.

Data Transfers
Some of our service providers may store or process your data outsidethe UK.
In such cases, we ensure appropriate safeguards are in place — for example,UK-approved Standard Contractual Clauses or other legal mechanisms ensuring your data remains protected.

5. Analytics and Tracking
We may use analytics tools (such as Firebase or similar services) to understand how users interact with our app.
These tools collect anonymous or aggregated usage data and do not personally identify you.We do not use cookies or tracking technologies for targeted advertising within the app.

6. Sharing of Information
We do not sell your personal data.
We may share data only with:
- Service providers who help operate our app (under strict confidentiality agreements)
- Regulatory or legal authorities, if required by law
- Other Limited companies within the 21D Group

7. Your Rights
You have the right to:
- Access the personal information we hold about you
- Request correction or deletion of your data where it does not constitute part of your clinical records
- Withdraw consent to data processing (where applicable)
- Lodge a complaint with the UK Information Commissioner’s Office (ICO)
‍To exercise these rights, please contact us at CASE@21d.co.uk

8. Data Retention
We retain your personal information only as long as necessary to provide our services or comply with legal obligations.
When you delete your account or withdraw consent, we will securely delete or anonymize your data within 12 months, unless a longer retention period is required by law.

9. Children’s Privacy
Our app is intended for users aged 18 and over.
We do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us immediately so we can remove it.

10. Changes to This Policy
We may update this Privacy Policy from time to time.
Any changes will be posted in the app with an updated “Effective Date.”
We encourage you to review this policy periodically.

11. Contact Us
If you have any questions about this Privacy Policy or how your data is used,please contact us:
21D Dental Clinics
CASE@21d.co.uk
www.21d.co.uk