"Periodontal pockets" refers to the spaces or gaps that form between the teeth and gums when someone has gum disease. These pockets can trap bacteria, leading to further infection and damage if not treated. Full definition
Here there is severe tartar build - up, advanced soft tissue loss, deep periodontal pockets, and considerable bone loss somewhere between 25 % and 50 %. (sunnysidevetclinic.com)
Often times treating with local antibiotics packed into periodontal pockets can prevent extraction. (powerranchanimalhospital.com)
A dental probe will be used to evaluate gum bleeding and periodontal pockets where food can accumulate if not cared for. (soonervet.net)