There is more accumulation of plaque at the lingual side of teeth than at the buccal side, and more at molars deep in the mouth than incisors near lips.是什么意思_There is more accumulation of plaque at the lingual side of teeth than at the buccal side, and more at molars deep in the mouth than incisors near lips.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句