【明報專訊】"I would give my eye-teeth to have my own teeth back," Whozit sighed. His dentist ( 牙 醫 ) overheard that sigh ( 嘆 息) and promptly set out to help people like Whozit. Eventually, he discovered a solution — but it would be a few thousand years before anyone was willing to accept ( 接 受 ) the dentist's invention ( 發 明品 ).