Tratamento de molares primarios anquilosados. Reporte de caso.
2021
Introduction: Dental ankylosis is produced by the loss of continuity of the periodontal ligament allowing the union of the alveolar bone with the cement or dentin. It is more prevalent in the primary dentition (1.3 and 8.9%), with no difference between sex, affecting mostly primary lower first molars. It interferes with normal eruptive processes and vertical growth of the alveolar bone surrounding the ankylated teeth, leaving them below the occlusal plane. This may cause loss of the arch perimeter, inclination of adjacent teeth, loss of space and alterations in chewing. Dental developmental abnormalities can occur jointly, combining the presence of ankylosed teeth and supernumerary teeth Objective: To report a clinical case regarding severely ankylosed primary molars and upper mesionens. Case presentation: 7-year-old female patient, with diastema between 11 and 21 due to presence of supernumerary in the midline (mesiodens) and low insertion of the labial frenum. She presented with severe ankylosis of 65 and 85, vertical alveolar defect and mesial inclination of 26 and 46, shortening of the arch perimeter and apical position of tooth buds 25 and 45. Volumetric images are performed to determine the position of the supernumerary tooth and the degree of ankylosis of the primary teeth. Treatment of choice was odontectomy of ths supernumerary tooth and ankylosed primary teeth 65 and 85, under general anesthesia in a hospital environment. Interceptive orthodontic treatment with distalizing screws for 46 and 26 is planned. Conclusion: prompt and immediate treatment of ankylosed primary teeth is essential to prevent and minimize alterations in the dentition.
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