[Preprosthetic surgery: preservation of the alveolar process using retained tooth roots]. / Cirugia preprotésica: preservación del proceso alveolar mediante banco de raíces dentarias.

Atrophy of the alveolar process can be avoided by intentionally preserving dental roots in patients with ideal parodontal and pulpar health conditions. This article illustrates results with a representative case history.

[Orthodontic-surgical treatment for correction of maxillary deficiency. LeFort I osteotomy]. / Tratamiento ortodóntico-quirúrgico para correción de deficiencia maxilar. Osteotomía Le Fort I.

Class III dentofacial deformities have been corrected by isolated orthodontic and/or surgical procedures, the facial a esthetics results of this approach are frequently less than optimal. The purpose of this article is to present our orthodontic-surgical approach, which has proved successful functional and esthetic results. Two representative cases are illustrated.

[Complex compound odontoma cystic eruption]. / Odontoma compuesto complejo quístico erupcionado.

An erupted cystic complex odontoma's case is reported. Histological, radiographic and clinic/fractures were considered. Erupted odontomas are unusual lesions; we did not find similar case reported in the literature.

[Postankylosis condylectomy of the temporomandibular joint in a 5-year old girl. Report of a case]. / Condilectomía posanquilosis de articulación temporomandibular en una niña de cinco años de edad. Reporte de un caso.

A case of post-traumatic temporomandibular joint ankylosis is described, and the technique of the treatment is detailed. Previous review of the literature was made in order to know the advantages of the treatment. There are several reports of children who have suffered facial injuries and fractures of the facial bones that became into ankylosis, characterized by the formation of new temporomandibular joint surfaces. The patient was a five years old girl who presented ankylosis of TMJ due to a car accident six months before. The symptom were: Limitation of motion, persistent close lock of mouth (2 mm) muscle pain that causes the patient to avoid eating foods, and the gradual loose of phonetic function. Condylectomy of the left mandibular condyle was performed to correct the mechanical problems associated to ankylosis. The patient had an uncomplicated postoperative course, and now are waiting the outcome of the treatment by a follow up study.