Introduction:

We aimed to determine the prevalence of dental fluorosis and its associated factors, in children from 10 to 12 years old from Pimampiro, province of Imbabura, Ecuador.

Methodology:

302 school children from Pimampiro, province of Imbabura who complied inclusion criteria, with the prior consent of their parents and /or representatives were evaluated in terms of their diet and oral hygiene habits, accompanied by a photographic record of the final anterior teeth of each participant, the photographs obtained were analyzed by three calibrated evaluators in the detection of fluorosis using the Thylstrup and Fejerskov index.

Results:

The prevalence of dental fluorosis was 81.4%, grade 2 was the most frequent with 32.6%. When relating the variables established in the survey and the presence of fluorosis, a relationship was found between the pathology and the consumption of bottled beverages, with the amount of toothpaste used and with accidental intake (p = 0.000).

Discussion and Conclusion:

The prevalence of fluorosis in the study population is considered high; grade 2 according to TF was the most frequent, finding a relationship with the consumption of bottled beverages, the amount of toothpaste used and with accidental intake.