Our teeth are always in the spotlight – literally and figuratively. And if the eyes are the mirror of the soul, then the teeth can be called the mirror of our health. And the point here is not only in caries or tartar – the vast majority of the inhabitants of the Earth do not avoid this fate. The fact is that teeth lost for various reasons cause not only aesthetic troubles, when you cannot smile with an open wide smile, but also quite tangible health problems.
Gastritis and intestinal dysfunction often have a very “dental” origin. All this is explained simply – food that is not well crushed, chewed and treated with saliva acts on the mucous membrane of the gastrointestinal tract like coarse sandpaper, and such a lump is digested for a long time.
The situation is not as hopeless as it seems at first glance. Modern orthopedic dentistry – that is, the branch of dentistry that studies just the possibilities of replenishing the lost links of the dental chain – has achieved impressive success both in terms of materials for the manufacture of prostheses and in terms of placing them in the oral cavity.
How to make sure that artificial teeth do not fly out a week after installation, so that they sit in the jaw like native ones? Here you have to balance between reliability and aesthetics of prostheses. Until some time, the patient had to make a choice – either one or the other.
However, progress does not stand still, and now it is possible to manufacture structures that combine both of these qualities, however, like many others.
We learned the details from the orthopedic dentist of the Moscow clinic “Medservice-M” Vyacheslav Baranov.
– What does a patient usually expect when he or she seeks orthopedic help from a dentist?
- To obtain an aesthetic, natural, durable and biocompatible material for prosthetics.
– Is cermet still popular?
- Yes, metal-ceramic prostheses based on chromium-cobalt alloy and precious metal alloys have proven their effectiveness for decades, but there is a constant need for the manufacture of all-ceramic prostheses.
- Patients usually want to get the most aesthetic result with the complete absence of any metallic inclusions.
– Is this practice justified?
- To some extent, yes. However, all-ceramic structures are not sufficiently strong and durable, which significantly limits their range of application.
How then can a denture be strengthened?
- The team of the University of Zurich, Switzerland, under the guidance of Professor Gauckler, developed a technique for using zirconium oxide as a structure frame.
– Zirconium oxide has been used in medicine for years, hasn’t it?
- Yes, it has already proven itself quite well in the manufacture of hip joint prostheses, so that both the high strength and the biological compatibility and safety of this compound for the body have been repeatedly confirmed.
– What are the benefits of using this material in dentistry?
- For the patient, aesthetic white color, high light transmission, close to the natural tissues of the tooth, will be important, which allows you to create an almost perfect imitation of the “native” tooth. In addition, the high thermal conductivity of zirconium oxide makes it possible to process tooth tissues in a more gentle mode (compared to traditional cermets), while preserving its pulp.
– And what will it give the patient?
- A person with such dentures will not experience discomfort while eating cold or hot food, as is often the case with metal-ceramic restorations on “living” teeth. In addition, adaptation to structures based on zirconium oxide is much faster – the weight of the prosthesis is insignificant, the surface is absolutely smooth, which means that the gums are not damaged, and oral hygiene in such cases is much easier to observe.
– Is the use of such prostheses promising?
I think that structures based on zirconium oxide will become a priority in the work of orthopedic dentists, displacing both traditional metal-ceramic and all-ceramic prostheses over time.
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