post
https://preteeth.online/api/1.0/analysis/central_incisor_wl_ratio
Get the width/height ratio of incisors 11, 21.
Guidelines for the image to be uploaded
1. Technical Requirements
- Format: JPG or PNG only.
- File Size: Up to 10 MB.
- Dimensions: Minimum 1000x1000 pixels.
2. Uploaded Image Requirements
- Pose: Full-face photo with a natural smile.
- Jaw Position: No protruding or pushed-forward lower jaw.
- Angle: Close-up face, centered and facing the camera.
- Lighting: Adequate and bright lighting is essential.
Acceptable/Unacceptable Image Example: 
