Match the following based on the periodontal indices: 1: Uses the Ramfjord teeth 2: Used on an individual basis to motivate a patient to seek further periodontal care 3: Uses the WHO probe 4: No longer used because gingivitis and periodontitis should be scored as separate entities 5: Divided into sextants and only specific teeth in that sextant are examined 6: Uses a 7 point scale to measure changes of the gingiva and CAL 7: Mouth is divided into sextants and a score is given to the deepest probe depth within that sextant (all teeth examined)