we conducted a cross-sectional descriptive study to assess the prevalence of malocclusions in children and adolescents aged 2 to 18 years of villages and native communities of the ucayali jungle of peru. we assessed the presence of malocclusions using angle’s classification and orthodontic changes. we evaluated 201 individuals, 106 (52.7%) were women, most of them (54.7%) had between 6 and 12 years. the prevalence of malocclusions was 85.6%, the most prevalent according to angle’s classification was class i (59.6%). orthodontic alterations were present in 67.2% of cases. the most frequent were dental crowding (28.4%), anterior crossbite (17.4%), exaggerated overjet (8.5%), excessive overbite (5.0%) and anterior open bite (5.0%). we found a high prevalence of malocclusion and orthodontic changes in the evaluated native communities, highlighting the need to implement preventive programs to improve the oral health of these negleted populations.