* Helper class for handling collisions * @returns {CollisionHandler}

* Helper class for holding id of damages * which can be added to the odontograma * @returns {Constants}

* Base class for tooth * @returns {MenuItem}

* Helper class for creating a Odontograma * @returns {OdontogramaGenerator}

* Helper class for drawing items on a canvas * @returns {Renderer}

* Settings class for the application. * This class contains all the values, which are not * fixed in the engine. * @returns {Settings}

* Base class for tooth * @returns {Tooth}