RESUMEN
The aim of the study was to evaluate factors involved in tooth surface loss due to consumption of dried-roasted seeds. Data of tooth surface loss were collected from a group of 141 patients by clinical examination, interview and by getting the questionnaire regarding dietary factors, oral hygiene practices and pregnancy [for women] filled. No significant differences in tooth surface loss were found for patients with medical conditions. Tooth Surface Loss in all anterior teeth was related to age, vomiting and bruxism. Consumption of dried-roasted seeds resulted in significantly higher scores of Tooth Surface Loss in upper and lower central incisors and canines. It was concluded that the most important factors in Tooth Surface Loss were age, vomiting bruxism. Watermelon seeds have significant effect on the levels of tooth surface loss in central incisors and canine teeth