[Two patients with progressive nasal obstruction due to a dentigerous cyst and a nasolabial cyst].

Slowly progressing nasal obstructions are usually caused by otorhinolaryngological abnormalities but are sometimes caused by maxillofacial disorders. Two patients, a boy aged 13 years and a man aged 56 years, had unilateral nasal obstruction. The boy was diagnosed with a dentigerous cyst in the maxillary sinus and the man had a nasolabial cyst (Klestadt's cyst). Both patients were treated with trans-oral enucleation and fully recovered.