I-Extend DENTISTRY now for sale through
Apples App Store and Google Play Store:
PLEASE NOTE: One third of the exercises in the app use a hard rubber ball. To be able to perform all the exercises demonstrated in the app it is recommended that you purchase one of our balls specially designed for the relevant exercises through the store in the app menu. The ball costs vary between countries but are in the vicinity of $15. A ball of the same size and density may also be used.