UI-3b: true iff ANY periodontal axis has been charted anywhere in the
mouth. Used to auto-skip the perio section of an export and to disable the
perio image-export menu items on a blank chart. Derived entirely from
getPerioSummary() — no new traversal.
UI-3b: true iff ANY periodontal axis has been charted anywhere in the mouth. Used to auto-skip the perio section of an export and to disable the perio image-export menu items on a blank chart. Derived entirely from
getPerioSummary()— no new traversal.