YOU SAID:

the old man, george, broke his back falling down the stairs and killed his offspring with his dentures as they came flying out of his mouth

INTO JAPANESE

老人ジョージは、階段を下って背中を壊し、自分の口から飛び出してきたので、彼の義歯で子を殺した

BACK INTO ENGLISH

The old man George dropped down the stairs to break his back and jumped out of his mouth, so he killed the child with his denture

INTO JAPANESE

老人ジョージは階段を降りて背中を落として口から飛び出したので、彼は義歯でその子供を殺した

BACK INTO ENGLISH

George got off the stairs, dropped his back and jumped out of the mouth, so he killed the child with a denture

INTO JAPANESE

ジョージは階段を降りて背中を落として口から飛び出したので、彼は義歯でその子供を殺した

BACK INTO ENGLISH

George got off the stairs, dropped his back and jumped out of the mouth, so he killed the child with a denture