Introduction: In Latin America, the prevalence of mesiodens is 1.7%. Mesiodens impacted towards the base of the nostril can cause complications such as: pain, epistaxis, rhino sinusitis, nasal obstruction and congestion and even eruption through the nostril.

Case report: A 7-year-old male patient with no clinical pathological data came for consultation due to interference in occlusion caused by a palatine erupted mesiodens. A radiographic finding was a second mesiodens in the anterior maxillary area.

Diagnosis: Inverted conical mesiodens near the floor of the nasal cavity.

Treatment: Surgical treatment by means of a vestibular incision in the anterior maxillary area.

Results: The procedure was performed under local anesthesia, surgical procedure of the impacted tooth, low speed hand piece was used, the dental organ was removed and stitches were placed.

Conclusion: Early detection of mesiodens is of utmost importance since timely treatment allows avoiding future complications.