In modern dentistry, crowns made from various materials, including ceramic, are widely used for tooth restoration. The combination of a natural appearance, strength, and durability makes them especially popular. The AESTHETE dental clinic offers services for the installation of ceramic crowns.
What is a ceramic crown
This is a type of dental prosthesis made from ceramic. Depending on the clinical situation, it can be placed:
- on a partially damaged tooth — it needs to be pretreated;
- on an implant — a metal post that is implanted into the jaw.
Dentists offer solutions tailored to each patient, taking into account the specific features of their dental and jaw structure and the shape of neighboring teeth. Due to the semi-transparency and characteristic shade of the material, such crowns look realistic and are hard to distinguish from natural teeth. This is especially important for those who care about their appearance, frequently communicate with others, or speak in front of an audience.
A distinctive feature of ceramic prosthetics is the absence of a metal framework. That’s why they are also known by another name — metal-free.
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Types
Two types of ceramics are used for manufacturing — crystalline and amorphous.
Crystalline material contains up to 90% zirconia crystals, and aluminum is used less frequently. Zirconium dioxide undergoes high-temperature treatment. After that, a crown of the desired shape is milled from it. If necessary, it is subjected to high temperatures again to increase its strength.
Materials based on zirconium dioxide are not very transparent. However, there are options that can be used for prosthetics on molars without additional veneering. A combined solution is also used — glass-ceramic, which better mimics tooth enamel, on a zirconia dioxide framework.
Glass-ceramic is a material also known as feldspathic (its raw material is feldspar), or amorphous, ceramic. It contains silicon oxides. The absence of micropores makes the material particularly strong. It also features excellent aesthetic properties.
Methods for making crowns from glass-ceramic include:
- press casting with step-by-step application of ceramic layers;
- milling from a solid block using special machines that ensure high processing precision.
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Konstantin Bogomolov
Yulia Snigir
Irina Khakamada
Daria Moroz
Laura Jugelia
Alexander Rogov
Elena Stepanenko
Irina Mitroshkina
Installation Stages
When a patient visits a dental clinic, the doctor performs a diagnostic assessment. It is necessary to evaluate the condition of the teeth in order to select crowns that will help address the issue.
The diagnostics begin with an examination. Images are also needed to understand the patient’s dental and jaw structure and to create a digital model. For this purpose, the following are used:
- radiography;
- computed tomography.
After diagnostics, the doctor discusses further tooth restoration with the patient and offers available options.
The next stage is crown fabrication. This process takes 7–15 days, depending on the number of prosthetics required and the manufacturing technology.
First, the dentist takes impressions of the teeth. Nowadays, a digital scanner is usually used for this. The information is immediately transferred to the computer's memory and used to create prosthetic models.
While the crowns are being made, the patient may receive temporary plastic crowns.
If the crown is to be placed on preserved teeth, they are filed and polished to the required size. If implantation is planned, implants must also be selected and placed — they are embedded into the jaw.
Two implantation protocols are used in dentistry:
- two-stage, more common — posts are loaded with crowns only after integration, which takes more time;
- one-stage — prosthetics are placed immediately, which saves time, but carries a risk of implant rejection.
The doctor selects the protocol based on the patient’s individual characteristics and preferences.
Pros and Cons
Before crown installation, the dentist will explain the features of the materials used, highlighting their advantages and disadvantages.
Advantages of ceramic prosthetics:
- biocompatibility — the material does not cause allergic reactions;
- relatively light weight — the crown does not press or add heaviness to the jaw;
- easy to install on preserved teeth — usually, minimal enamel polishing is enough for preparation;
- realistic appearance — the prosthetics look natural and are indistinguishable from real teeth;
- durability — they can withstand significant mechanical loads, are suitable for restoring molars, and do not absorb pigments from food and drinks.
Ceramic does not oxidize, and the gums do not darken in areas where they contact the crown. Bacterial plaque does not accumulate on the smooth surface, and it can be easily cleaned with a regular or electric toothbrush if needed.
Ceramic models are less strong than metal ones, so for restoring front teeth, materials capable of withstanding high chewing loads should be used. Metal-ceramics are also applied:
- the framework is made from durable metal;
- a ceramic layer is applied on top, convincingly imitating natural tooth enamel.
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Service Life
Ceramic crowns are known for their high strength and aesthetics. On average, the lifespan of such prosthetics ranges from 10 to 15 years. However, with proper care and careful handling, they can last even longer. Durability is influenced by:
- material quality;
- the dentist’s skill;
- the patient’s habits and oral care routine.
To extend the service life of crowns, it is important to maintain oral hygiene.
Brushing teeth twice a day, using dental floss and mouthwash will help prevent plaque buildup and gum inflammation. Special attention should be paid to the area around the crown, as bacteria can penetrate under its edge, potentially causing decay in neighboring teeth.
Excessive pressure on ceramics should be avoided. Although it is a strong material, biting into hard foods such as nuts or hard candies, or using teeth to open bottle caps, can cause chipping. In cases of bruxism — teeth grinding caused by involuntary muscle spasms — it is recommended to use a protective mouthguard, especially at night.
Regular dental visits are key to long-lasting crowns. The dentist can detect potential problems early, such as debonding or material wear, and address them at an early stage. Professional cleanings every six months will also help keep prosthetics in perfect condition.
By following these recommendations, ceramic crowns can serve their owners for a long time without needing replacement.
The dental clinic is located in Dubai (UAE), Bluewaters Island. We use ceramic crowns for tooth restoration and apply effective methods to restore both aesthetics and functionality. Our doctors’ high qualifications and extensive practical experience allow us to successfully handle complex cases.
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