The gingiva is abnormal and hyperplastic in the pseudopocket. Probing
will reveal a sulcus depth greater than the normal. However, the
bulk of the pocket will be above the normal gingival margin, due
to migration of hyperplastic tissue coronally. Some of the pocket
may also occur apically.
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Focal or generalised gingival hyperplasia can occur, due to a chronic
inflammatory response to plaque. Some breeds such as Boxers, Setters,
Dobermans, Collies and Dalmatians show a familial tendency. Some
drugs (e.g. epanutin) can also cause hyperplastic gingiva formation.
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