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 ...

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You will want to follow your orthodontist’s instructions on wearing a retainer, to maintain the results of braces. This may mean wearing a retainer all day, every day for 4 months, or for 12 months.

You have done the hard work. Your patient's teeth are straight, and now it is mostly up to them to keep it that way. Unfortunately, you can give patients all the instructions you want about regular ...