ArtStation – TEETH – Zbrush 24 Assorted Teeth IMM Brush
https://www.artstation.com/marketplace/p/DBLr/teeth-zbrush-24-assorted-teeth-imm-brush
24 Various teeth in two insert mesh brushes for Zbrush. Both brushes are identical with each containing all 24 teeth, except version A applies teeth from an angle above or below the desired surface, whereas version B applies from the side. Use depending on preference and situation.