yī / shēng / zǐ / xì / jiǎn / chá / le / tā / de / shàng / hé / gǔ / què / rèn / méi / yǒu / gǔ / zhé医生仔细检查了他的上颌骨,确认没有骨折。The doctor carefully examined his maxilla and confirmed there was no fracture.