DexaVision
AI dental caries detection platform that analyzes images using ICDAS II classification, connects patients with verified dentists via real-time chat, and processes subscription payments. All from a mobile device.
Overview
How the system works
DexaVision is a complete dental health platform combining a multi-model AI pipeline with real-time consultations. Patients upload dental photos from the mobile app and an AI pipeline in AWS Step Functions executes: image validation, similar case search with RAG, ICDAS 0-6 classification by specialized AI models, and final validation by an AI arbiter. Doctors verify with documents, manage availability, and handle consultations via real-time chat. Admins supervise verifications and analyses from a web dashboard. In-App Purchase (IAP) subscriptions and push notifications.
The Challenge
Caries diagnosis requires an in-person visit, long wait times, and manual evaluation. Patients in rural areas lack easy access and dentists spend hours on initial reviews that could be automated.
The Solution
Multi-model AI pipeline in AWS Step Functions: image validation → RAG with curated knowledge base (36 cases) → specialized AI caries classifier → validating AI arbiter. Real-time chat, doctor verification system, IAP subscriptions, and push notifications.
Results
Complete analysis in under 30 seconds with ICDAS II classification validated by multiple models. Real-time doctor-patient consultations with auto-acceptance. 45+ Lambda functions, 5 DynamoDB tables with KMS encryption, HIPAA compliance with 7-year retention.
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Technical Architecture
Technology Stack
Key Benefits
Improvements after implementation
Full AI analysis
< 30s — Full AI analysis
Multi-model pipeline
4 models — Multi-model pipeline
Lambda functions
95% reduction in initial diagnosis time. 24/7 access without travel for rural or remote patients.
“The combination of multiple AI models specialized at each diagnosis stage gives us precision that we wouldn't achieve with a single model. Patients receive results in seconds and can consult with a verified dentist without leaving the app.”
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