Patent ID: 8192359

Claim:
A functional module type dental apparatus for use in dental treatment and diagnosis, comprising: a common functional body and a functional module detachably and replaceably connected to said common functional body, and wherein the common functional body has a display section for displaying information relating to dental treatment and diagnosis, an operation section for dental treatment and diagnosis, a power source section for supplying driving power thereto, a module connection part to which said functional module is detachably and replaceably connected, a module recognition means for discriminating which functional module is connected when said functional module is connected to said module connection part, and a root canal length measuring function as at least one dental diagnosis function so as to carry out said root canal length measuring function, said functional module has a connection part for detachably and repleaceably connecting to said module connection part of said common functional body, a recognition apply means for allowing said module recognition means to recognize itself, a dental treatment function, and a memory means storing a functional program for executing the dental treatment function, and said functional program is transmitted to said common functional body from said functional module after said module recognition means discriminates said functional module, thereby changing said display section and said operation section to a necessary display mode and a necessary operational function, respectively, depending on the dental treatment function equipped with said functional module, and carrying out said dental treatment function of said functional module by utilizing said common functional body.