The main types of<unk>  are: * Periapical<unk> : The result of a chronic, localized infection located at the tip, or apex, of the root of a tooth. * Periodontal<unk> : begins in a periodontal pocket (see: periodontal<unk>  * Gingival<unk> : involving only the gum tissue, without affecting either the tooth or the periodontal ligament (see: periodontal<unk>  * Pericoronal<unk> : involving the soft tissues surrounding the crown of a tooth (see: Pericoronitis) * Combined periodontic-endodontic<unk> : a situation in which a periapical<unk>  and a periodontal<unk>  have combined (see: Combined periodontic-endodontic lesions).
Dental abscess
Periodontal abscess
Gingival cyst
Salivary gland fistula
Posthitis
Median mandibular cyst
Nasal fracture
Cuffitis