Green’s Dictionary of Slang

crockery n.

1. (US) teeth.

[Aus]Bell’s Life in Sydney 10 June 2/4: He not only threatened the china man that he would pull off his top knot, but subsequently took a poker to astonish his crockery with.
[US]C. Connors Bowery Life [ebook] ‘Extract of what?’ asked de wise guy, showing his crockery wid a gas laugh.
[US]D. Runyon ‘Little Miss Marker’ in Runyon on Broadway (1954) 298: Regret [...] sticks his finger in her mouth to get a peek at her crockery.
[US]R.L. Bellem ‘Death Ends the Scene’ Hollywood Detective May 🌐 My crockery started chattering like dice in a washtub.
[US]Wentworth & Flexner DAS.
[US]Hartford Courant (CT) sect. D 5 Sept. 27/3: G’Day from Down Under [...] Take more than a passing insult [...] to get me narkie enough to [...] send you to the fang merchant for some new crockery.
[NZ] McGill Reed Dict. of N.Z. Sl.

2. (Aus.) false teeth.

[Aus] ‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxiii 4/4: crockery: Flash [sic ] teeth.

SE in slang uses

In compounds

crockery Jack (n.) [jack n.1 ]

a crockery seller.

[Aus]Bell’s Life in Sydney 11 Sept. 3/1: Chingaring and Appee, two brother crockery Jacks.
Sun. Mag. 272: For instance, Crockery Jack was a hawker of crockery ; and Donkey Smith was the proprietor, manager, and driver of three or four donkeys.
N.L. Ghose Englishmen at Home 66: There is a Prince of the costers, who sometimes attends the Mission Hall, and he is generally called ‘Crockery Jack’.