I. Regular dental checkups help detect problems before they become serious. II. Untreated cavities can lead to painful infections and tooth loss. III. Brushing twice daily removes plaque that damages tooth enamel. IV. Dentists recommend flossing to clean areas a toothbrush cannot reach. V. Electric buses are gradually replacing diesel vehicles in many cities. (I-V) numaralı cümlelerden hangisi parçanın bütünlüğünü bozmaktadır?
