The present improvement relates to a wearing unit for protecting teeth, wherein the same is worn on upper or lower teeth of the mouth such that not only normal teeth are protected, but teeth that have been treated and teeth that need to be treated can also be prevented from secondary damage the same is manufactured in a size corresponding to an average value and is made of soft synthetic rubber, hard synthetic rubber, etc. such that the same can be easily worn and retained as a result, the same is not necessarily tailored to the wearers teeth, and thus is economical and the same is provided with an analysis means capable of analyzing the component of saliva or food mixed with saliva such that the health status of the wearer can be checked in real time. A wearing unit for protecting teeth according to an embodiment of the present improvement is a wearing unit for protecting teeth, which is worn on teeth so as to protect the entire upper or lower teeth simultaneously, and which is formed in a U-shape, the wearing unit for protecting teeth comprising: first wearing portions, which are positioned on both ends of the wearing unit for protecting teeth and worn on molar sides, respectively, and which have barrier members that exert elastic restoring forces such that adjacent molars are independently delimited and a second wearing portion formed to be integrally connected to the first wearing portions such that the same is positioned inside the first wearing portions on both ends, the second wearing portion being worn on teeth other than the molars.La présente invention concerne un protège-dents, qui est porté sur les dents supérieures ou inférieures, de telle sorte que non seulement les dents normales sont protégés, mais que des dents ayant été traitées et des dents devant être traitées peuvent également être protégées contre des dommages secondaires. Ledit protège-dents est fabriqué dans une taille correspondant à une valeur moyenne et est constitué dun caoutchouc synthét
