打了这个疫苗，以后就不长龋齿了？
<p><span word="Dreaded">Dreaded</span> <span word="trips">trips</span> <span word="to">to</span> <span word="see">see</span> <span word="your">your</span> <span word="dentist">dentist</span> <span word="could">could</span> <span word="be">be</span> <span word="replaced">replaced</span> <span word="with">with</span> <span word="a">a</span> <span word="vaccine">vaccine</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="tooth">tooth</span> <span word="decay">decay</span> <span word="in">in</span> <span word="the">the</span> <span word="future">future</span>, <span word="researchers">researchers</span> <span word="predict">predict</span>.</p><p>据研究人员预测，预防龋齿的疫苗有望问世，之后你就再不用为看牙医担惊受怕了。</p><p><span word="The">The</span> <span word="jab">jab</span>, <span word="developed">developed</span> <span word="by">by</span> <span word="Chinese">Chinese</span> <span word="scientists">scientists</span>, <span word="offers">offers</span> <span word="a">a</span> <span word="dose">dose</span> <span word="of">of</span> <span word="proteins">proteins</span> <span word="that">that</span> <span word="are">are</span> <span word="effective">effective</span> <span word="at">at</span> <span word="removing">removing</span> <span word="build">build</span>-<span word="ups">ups</span> <span word="of">of</span> <span word="plaque">plaque</span> <span word="responsible">responsible</span> <span word="for">for</span> <span word="cavities">cavities</span>.</p><p>这种疫苗由中国科学家研发，疫苗中的一种蛋白质可有效清除导致龋齿的齿斑堆积。</p><p><span word="Early">Early</span> <span word="trials">trials</span> <span word="show">show</span> <span word="it">it</span> <span word="to">to</span> <span word="be">be</span> 64 <span word="percent">percent</span> <span word="effective">effective</span> - <span word="meaning">meaning</span> <span word="people">people</span> <span word="would">would</span> <span word="still">still</span> <span word="have">have</span> <span word="to">to</span> <span word="brush">brush</span> <span word="their">their</span> <span word="teeth">teeth</span> <span word="twice">twice</span> <span word="a">a</span> <span word="day">day</span> <span word="to">to</span> <span word="avoid">avoid</span> <span word="a">a</span> <span word="trip">trip</span> <span word="to">to</span> <span word="the">the</span> <span word="dentist">dentist</span>'<span word="s">s</span> <span word="chair">chair</span>.</p><p>早期实验表明龋齿疫苗有效率达64%，也就是说，人们仍需每日刷牙两次以预防龋齿。</p><p><span word="It">It</span> <span word="offers">offers</span> <span word="hope">hope</span> <span word="of">of</span> <span word="a">a</span> '<span word="fantastic">fantastic</span>' <span word="answer">answer</span> <span word="for">for</span> <span word="preventing">preventing</span> <span word="or">or</span> <span word="even">even</span> <span word="reversing">reversing</span> <span word="cavities">cavities</span>, <span word="which">which</span> <span word="strike">strike</span> <span word="a">a</span> <span word="third">third</span> <span word="of">of</span> <span word="adults">adults</span>, <span word="according">according</span> <span word="to">to</span> <span word="figures">figures</span>.</p><p>龋齿疫苗为预防甚至逆转龋齿带来了希望，令人不可思议。据数据显示，成年人中有三分之一患有龋齿。</p>
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