ALTERATIONS IN DENTAL ERUPTION ASOCIATED WITH ODONTOLOGIC SYSTS.

Abstract: Odontogenic cysts originate from epithelial remains, causing bone resorption that allows their growth and sometimes displaces permanent teeth.Objective:The objectives are to describe the types of cysts, their distribution in the jaws, and relate them to the alteration in dental eruption and the need for orthodontic treatment in patients who attend the Comprehensive Dental Clinic for Children of the Department of pediatric Dentistry, UBA. Methods:It was designed as a retrospective, cross-sectional, and observational study. The medical records of non-syndromic patients treated between 2014 and 2023 were evaluated, recording: age, sex, type of cyst, inflammatory cyst (QI), infected mandibular buccal (QBMI), dentigerous (QD), keratocyst (QQ), eruption (QE), location by area (upper or lower jaw; anterior or posterior; right or left), and number of permanent teeth impacted by the cystic lesion and need for orthodontic treatment. For statistical analysis, percentages with a 95% CI and the Chi square test were used. Results: The sample was made of 88 children, average age of 9.6 years ± 2.8 (R = 4–17), 46.6% male (35.8–57.5). The total number of injuries was 93: QI 41.9% (31.7–52.6), QI associated with QD 15.1% (8.4–23.9), QBMI 9.6% (4.5–17.5), QD 24.7% (16.3–34.7), QQ 3.2% (0.6–9.1), and QE 5.3% (1.7–12.1).Maxilary location: left lower 34.4% (24.8–45), right side 22.5% (14.5–32.4), and upper anterior 22.5% (14.5–32.4).86.7% of QI occurred as a consequence of pathology in primary pieces (p = 0.05), as did all QI associated with QD (n = 14). Displacement of permanent teeth was observed in 77.4% (67.5-85.4), 47.3% (36.8–57.9) corresponding to a single piece, 21.5% (13.6–31.2) to two, and 8.6% (3.7–16.2) to three.The lower premolars were the most impacted: 26.9% (19.1-35.8). Orthodontic was necessary in 38.7% (28.7–49.4) without finding significant differences between those who presented one or more dental displacements (p = 0.108). Conclusion: Cysts cause a high impact on tooth eruptions, most frequently in the lower jaw.