The term periodontal disease is identified in base64 scheme by the sequence cGVyaW9kb250YWwgZGlzZWFzZQ==, while the MD5 signature is equal to 039adcaaf76574ee92415cd823fb9b22. The ASCII encoding of periodontal disease in hexadecimal notation is 706572696f646f6e74616c2064697365617365.