<unk> s usually asymptomatic and present as chance radiographic finding, often during childhood and adolescence when teeth do not erupt within the expected timeframe. Occasionally<unk> s can erupt into the mouth and this can lead to acute infections resembling a dental abscess. During the early stage of<unk>  development; radiolucent flecks develop. At a later stage of development a dense radioopaque mass becomes visible as enamel and dentine forms.
Odontoma
Odontogenic cyst
Paradental cyst
Dentigerous cyst
Gingival cyst
Colloid cyst
Choristoma
Thyroglossal cyst