Historical clue formulations

• Desensitizes, as with Novocain — 2022-04-25
• Makes tingly, in a way — 2018-09-22
• Ices, maybe — 2006-01-06
• Readies for drilling — 2005-02-24
• Freezes, perhaps — 2003-05-16
• Puts ice on, maybe — 2003-04-08
• Desensitizes — 2001-07-18
• Ices, perhaps — 1999-10-10
• Anesthetizes — 1996-06-20
• Desensitizes — 1996-02-26