The function of a retainer is to maintain proper distance between rolling elements. Almost all roller bearings have stamped retainers made of iron-silicon bronze or lead brass. Run-of-the-mill ...

Align Technology, Inc. has announced the launch of Vivera retainers -- clear retainers made from the same technology as Invisalign aligners. These subscription-based retainers will be delivered to ...

Retainers are necessary to prevent teeth from shifting after braces. No single retainer type is superior—customization is key. Fixed retainers can increase plaque buildup and require extra hygiene ...