tooth decay is caused by presence of base true or false Share with your friends Share 2 Syed Motbahar answered this false tooth decay is caused by acids 3 View Full Answer Snigdha answered this false. tooth decay is caused due to more acid present inside tooth 3 Abhiramkrishnasharma answered this false , tooth decay is caused due to acid 2 Sudipta answered this thank's all for answer 2