Artificial sweeteners are " not essential dietary factors and have no nutritional value, " Branca emphasized.

布兰卡强调，人工甜味剂“不是必需的饮食因素，也没有营养价值”。

Only have sugary foods at mealtimes, when other dietary and oral factors can help to minimise the risk they pose to your teeth.

建议只在用餐时吃糖制食物，这样其他食物和口腔分泌物可以帮助将对牙齿的受损的风险减到最低。