Periodontal operation (procedure)

• Periodontal operation
• Periodontal surgery

• Procedure (procedure) and Role group (attribute) some (
      Method (attribute) some Surgical action (qualifier value) and
      Procedure site (attribute) some Structure of gum and supporting structure of tooth (body structure))

• Surgical procedure on soft tissue (procedure)
• Operative procedure on digestive organ (procedure)
• Operation on oral cavity (procedure)
• Jaw and temporomandibular joint operations (procedure)