Tooth Notes helps you talk with your dentist by visually selecting a tooth and attaching a note.
This user interface is intuitive and helps avoid confusion about left versus right in anatomic point of view.
The app shows the anatomically correct name for each tooth.
What's New in Version 1.1
Improved 3D image quality. Simplified tap to select a tooth. Improved navigation, larger note text area. Requires iOS 10
Developer info: This complete rewrite uses Swift 3 and SceneKit.
Here is the App Store support page.
Released in 2010, it was one of the first iOS health apps featuring an interactive 3D model.