Jaw cysts mostly occur in young people and can occur in any part of the jaw. Apical cysts mostly occur in the upper and lower anterior teeth. Dentate cysts mostly occur in the mandibular third molar, and maxillary canine area is also a common site. Keratocyst mainly occurs in mandibular third molar and mandibular ramus. Tooth cyst grows slowly and has no symptoms at the initial stage. If it continues to grow, the bones gradually expand around, forming facial deformities. Loose, displaced and inclined teeth in the oral cavity.

1. Progressive painless jaw enlargement, slow progress, mostly without conscious symptoms.

2. Older people feel like table tennis.

3. There are often dental lesions (root cysts) or tooth loss.

4. Straw yellow liquid was extracted by puncture, and cholesterol crystals could be seen under microscope. The fluid of keratocyst (a kind of jaw cyst) is ivory keratin or sebum-like.