Kerr Dental wanted to improve package durability and functionality for its OptiDisc Finishing and Polishing Disc Set, used by dentists.

Plastic vacuum-formed lids the company was using in conjunction with an unspecified grade of board tray created a risk of contamination and the possibility of polishing discs falling from the tray. Contaminated discs had to be discarded.

Kerr Dental answered this challenge by switching to a metal tin with a polypropylene ring hinge from J.L. Clark. The ring-type closure features tabs on the lid and container ring that lock together easily, even when handled repeatedly. Each “ well ” containing the 240 finishing and polishing discs (deeply inset into separate plastic inserts in the base and lid) has its own plastic