[Jaw muscle tumors].

Muscular tumors are rare. They hardly ever present in jaws. Rhabdomyoma have never been reported in this localization.

[Desmoplastic fibroma].

Desmoplastic fibroma is a rare benign intraosseous neoplasms. They can affect the jaw. Posterior mandibular bone involvement is the most frequent localization.

[Nasopalatine duct cyst].

The nasopalatine cyst is the most common epithelial and non-odontogenic cyst of the maxilla. It is of embryological origin. It is different from a radicular cyst.

[Nasolabial cyst].

Nasolabial cyst is a rare epithelial and non-odontogenic cyst of the jaw. It is situated behind the ala nasi, extending backwards into the inferior nasal meatus and forward into the labio-gingival sulcus. Predominant symptoms are swelling of the nasal vestibule, local pain, and nasal obstruction.