BRIEF DESCRIPTION OF THE DRAWINGS
The novel features that are characteristic of the present invention are set forth in the appended claims. However, the preferred embodiments of the invention, together with further objects and attendant advantages, are best understood by reference to the following detailed description in connection with the accompanying drawings in which:
FIG. 1 is a perspective view of one embodiment of the system of the present invention showing a dental practitioner using a footswitch device to control the operation of an ultrasonic dental scaler apparatus in a remote, wireless system;
FIG. 2 is a perspective view of one embodiment of the system of the present invention showing a dental practitioner using a footswitch device to control the operation of an ultrasonic dental scaler apparatus in a hard-wired system;
FIG. 3 is a close-up side perspective view of the footswitch device used in the system shown in FIGS. 1 and 2;
FIG. 3A is a bottom perspective view of the footswitch device shown in FIG. 3 with the battery compartment door removed;
FIG. 4 is a close-up view of one embodiment of an ultrasonic dental scaler apparatus that can be used in the systems shown in FIGS. 1 and 2;
FIG. 5 is a close-up view of the dental handpiece and scaling insert that can be used with the apparatus shown in FIG. 4;
FIG. 6 is a close-up view of one embodiment of an ultrasonic dental scaler apparatus that can be used in the systems shown in FIGS. 1 and 2; and
FIG. 7 is a close-up view of the dental handpiece, scaling insert, and air-polishing insert that can be used with the apparatus shown in FIG. 6.