レントゲン

Jiko tōji wa wakaranakatta ga, fukusū no kakudo kara rentogen o totte hajimete, migi-uwāgo no wa ga nemoto kara wareta koto ga wakatta.It wasn't known at the time of the accident; it was only after X-rays were taken from multiple angles that it became clear that a tooth in the right upper jaw was cracked from the root.