2 interproximal sites with probing pocket depth of? (sciencedaily.com)
The doctor examines and probes each tooth individually, noting any changes in the periodontal pocket depth as well as looking for any cracked, chipped, or broken teeth. (oceansidevh.com)
That's maybe $ 200, sure, but when you're looking at an $ 800 console versus a $ 1,000 computer, you need pocket depth regardless (gameological.com)