Retention, effectiveness, coverage and sensitive reaction to the modified atraumatic restorative treatment, using two brands of Glass Ionomer. (In children 7-8 years old from the Cantón San Antonio school in the Municipality of Ciudad Victoria, Carolina # 2 and Filos de Palacios in the Municipality of Jutiapa in the Department of Cabañas)

OBJECTIVE: To determine the Retention, Effectiveness, Coverage and Sensitive Reaction to the Modified Atraumatic Restorative Treatment, using Ketac ™ Molar 3MM ESPE and Fuji IX. METHODOLOGY: The design corresponds to a Randomized Clinical Trial, triple blind. The sample consisted of 49 schoolchildren aged 7 to 8 from the rural area of the Municipalities of Jutiapa and Ciudad Victoria in the department of Cabañas; two groups A (n24) were formed using Ketac Molar and B (n25) using Fuji IX. The different data were processed in a sheet designed in the Excel program, they were summarized with descriptive statistics, they were analyzed with a significance test and statistical inference using the SPSS v.18 software. RESULTS: There is no significant difference in the average times of each treatment according to the Glass Ionomer cement brand used, (P = "0.093"), in addition there is a significant difference in terms of retention and effectiveness between the glass ionomer cement brands. glass after 3 and 6 months after being made, (3 months P = "0.000"), (6 months P = "0.006"). CONCLUSIONS: TRAM produces minimal anxiety and sensitive reaction during and after treatment.