What Are Chrome Cobalt Mandibular Advancement Appliances?

By Loran Simon


Mandibular advancement appliances, often referred to as mandibular advancement devices, or mandibular advancement splints, are used to help people stop snoring. Generally they are made of thermoplastic or heat cured acrylic plastic. These are comparatively low cost materials that can be easily changed. Until recently they were the sole materials that mandibular advancement splints were made of.

A new material, cast chrome cobalt alloy, has just lately begun to be utilized for mandibular advancement appliances. Particularly the Somnowell appliance. Traditionally chrome cobalt alloy has been the standard for partial dentures. Partial dentures are also made of acrylic, but the best quality partial dentures will be made of chrome cobalt.

Like gold, chrome cobalt is an inert metal and highly resistant to colonisation by bacteria and micro-organisms. Chrome cobalt is tough and strong in thin section. It also has fantastic durability and longevity. Partial dentures made from chrome cobalt often last for years. Chrome cobalt is an first-class material for long term use in the mouth and is therefore well suited for mandibular advancement appliances.

Before detailing the many advantages of chrome cobalt as a material for mandibular advancement devices, it is worth pointing out some of the issues of the current standard materials thermoplastic and heat cured acrylic plastic. In the oral environment these plastics tend to degrade comparatively fast. There's a very wide range of these types of plastic devices, they last any where from a matter of weeks to many months. In the end they all need to get replaced as they have degraded to such a point as to make them either ineffective, dangerous, or unhygienic. Furthermore plastic devices are big, bulky and as a result intolerable. This is because of the material strength required to achieve adequate retention and forward positioning of the lower jaw.

Chrome cobalt like gold is excellent for long term use in the mouth. In the oral environment chrome cobalt doesn't degrade or deform. Micro-organisms and oral fungi do not colonise the material. Chrome cobalt is very robust in thin section and so the mandibular advancement appliance can be made to be very little and discreet. Leading to an oral gadget that users find very comfortable.




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