Abstract: Disclosed are an apparatus and method for constructing an intrusion detection system applied to CAN communication. The method for constructing an intrusion detection system applied to CAN communication may include extracting standard information by parsing an input file associated with CAN communication, setting a policy rule by applying at least one of a static ruleset and a custom ruleset using the extracted standard information, and creating a policy file to be applied to the intrusion detection system by packing the standard information and the policy rule.

Abstract: An implant fixture for reducing periodontitis is disclosed. The implant fixture for reducing periodontitis according to an embodiment of the present application may comprise a body part which is implanted in bone tissue and forms an artificial tooth root, wherein the outer surface of the body part may be provided with a predetermined roughness so that the body part has enhanced fixing force to the bone tissue, and at least a portion of the outer surface of the body part may be provided with a bone formation inducer.