A personal care system (100) includes a personal care appliance (107) having a body (141), and at least one cavity (109). The body may be configured to receive a cleaning tool (111) at one end and may include at least one controller (122) which may be situated within the at least one cavity. The controller may be configured to: determine whether a personal care mode is activated obtain sensor information from at least one tooth-based sensor (152) of a tooth portion (112), when it is determined that a personal care mode is activated and transmit the sensor information to at least one of a remote server (102) and a base portion (132).