Dental restorations – crown and fixed dentures
If we’ve reached the point of needing dental restoration and started organizing it, it’s important to know: for every modern type of replacement, detailed planning precedes the start of work. This includes informing the patient about their options and how these procedures will unfold
Dental restorations – crown and fixed dentures
What is the difference between a crown and a fixed denture?
- A crown may be considered when there is extensive tooth decay
- The placement of a crown can be a solution for dental restoration
- Dental crown is the most refined and natural-looking tooth replacement solution
How is a crown made?
The area surrounding the tooth holding the crown is numbed by the dentist, and then the tooth is shaped appropriately. Subsequently, an impression of the tooth stump and the surrounding teeth is taken. A temporary plastic crown is placed on the tooth.
After a few days, the final crown, crafted by a dental technician based on the impression, is fixed onto the shaped tooth using specialized dental adhesive cement.
Dental restorations – crown and fixed dentures
Types of dental crowns
- Zirconium dental crown
- Porcelain dental crown (metal-ceramic)
- Pressed ceramic dental crown
Crowns and bridges
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If we’ve reached the point of needing dental restoration and started organizing it, it’s important to know: for every modern type of replacement, detailed planning precedes the start of work. This includes informing the patient about their options and how these procedures will unfold
A crown might be necessary if a patient has extensive tooth decay or has suffered an injury resulting in not just toothaches but discoloration as well.
However, losing the tooth isn’t always inevitable. Crown placement can serve as a solution for dental restoration. Zirconium dental crowns are the most refined and natural-looking dental restoration solution, whether it’s an individual crown, a bridge, or a crown fixed onto an implant.
The Crown and its Varieties
A dental crown is a fixed dental restoration placed on the tooth stump above the gum line or on a dental implant.
When a tooth is severely damaged, making it unsuitable for fillings or inlays, a crown can be a viable solution. The material for a crown typically includes pressed ceramic, porcelain, or zirconium.
Using a crown is justified when a significant amount of tooth material is missing, often due to tooth breakage or neglect of dental decay.
Crowns can also address tooth alignment correction and aesthetic concerns—like gaps between teeth or misalignments.
The area surrounding the tooth holding the crown is numbed by the dentist, and then the tooth is shaped appropriately. Subsequently, an impression of the tooth stump and the surrounding teeth is taken. A temporary plastic crown is placed on the tooth.
After a few days, the final crown, crafted by a dental technician based on the impression, is fixed onto the shaped tooth using specialized dental adhesive cement.
1. Zirconium Dental Crown: Essentially transparent, resembling natural teeth, and free of metal. Crafted from durable and resistant materials, it’s considered a long-term dental restoration solution. Special technology ensures perfect aesthetics and fit.
2. Porcelain Dental Crown (Porcelain-Fused-to-Metal): Excellent for incisors and molars due to its unquestionable strength. Its external surface matches tooth shade, blending seamlessly. Computer-guided technology ensures both aesthetics and fit.
3. Pressed Ceramic Dental Crown: This type appears natural and entirely lifelike. Its precise fit and aesthetics are also ensured by computer-guided technology. Since it lacks metal, it’s suitable for those with metal allergies and is considerably tissue-friendly.
Removable Dentures
When dental implants or fixed dental restorations like crowns and bridges are not feasible, removable dentures present a solution—quick and cost-effective.
Removable dentures come with several advantages. They are stable during chewing, eliminating the need for denture adhesives. Their production is cost-effective, and their quality is guaranteed.
As the fabrication of removable dentures doesn’t require extensive procedures, there’s no need to expect pain or discomfort. Moreover, they are quickly made, restoring a patient’s ability to chew within 8 days, providing an aesthetically pleasing smile.
Removable dentures are also a good solution for partial tooth loss, offering options like clasp-retained (with metal clasps), telescopic (secured by telescopic crowns), and precision (hidden clasps) attachments.
Complete Tooth Loss and Dentures
Even in cases of complete tooth loss, it’s possible to create functional and aesthetic dentures. The denture’s surface in contact with the toothless jawbone creates suction, ensuring stability.
Who Benefits from Dentures?
For individuals missing a significant portion or all of their teeth, dentures are a suitable dental restoration method. These prosthetics aid in restoring full chewing function and aesthetics.
When fixed dentures are used, the entire arch or partial dental bridge is attached to implants—ensuring stability without the need for adhesives. This ensures natural chewing and bite, eliminating worries. The stability of the fixed-removable denture is maintained by the implants, yet they can be removed for easy cleaning.
In this dental restoration method, attachments like bars (metal bridges) or locators (small metal balls) are connected to the implants. Spaces are designed in the prosthesis where these fit, keeping the denture in place.
An implant-retained denture, while removable, offers a less costly alternative to fixed implant-supported bridges. It’s recommended when individual implants for each tooth aren’t feasible due to certain health reasons.
This fixed denture firmly attaches to the dental implants, providing a secure and comfortable fit—much more secure than non-fixed types. Additionally, it’s smaller and simpler to use compared to traditional dentures. It doesn’t require denture adhesives and doesn’t irritate the gums.
This dental solution allows the patient to chew just as they did with their natural teeth. The chewing is robust and of high quality, aiding not just aesthetics but also digestion. It helps maintain facial structure by minimizing bone loss, ensuring a long-lasting and stable dental restoration solution.
Types of Fixed-Removable Dentures:
The appropriate dental restoration option is always recommended by the specialist, considering the patient’s health condition.
For the lower jaw, two dental implants might suffice to retain the denture. For the upper jaw, four or six artificial tooth roots are recommended.
The denture can be connected to the implants in various ways. One method is using a bridge structure called a bar, while another is using locator attachments. In the case of locators, small balls are attached to the top of the implants and fit into designated spaces in the prosthesis, keeping the denture in place.
If a patient is to receive an implant-retained denture, the process can be divided into two main steps:
1. Initial Phase: If necessary, the dentist extracts the teeth and implants the dental implants in their place. The area around the dental implants needs time to heal, typically 4-6 months, for the implant roots to integrate into the bone.
2. Second Phase: After the area has healed, the dentist places healing abutments into the dental implants. Then, an impression is taken of the jawbone and the bite is adjusted. Subsequently, a waxed model is created based on this impression, and the dentist places it in the patient’s mouth. Before leaving, the patient receives guidance on how to care for and maintain proper oral hygiene for the denture.
Individuals with good oral hygiene might be suitable candidates for fixed-removable dentures. However, before beginning treatment, it’s necessary to assess the patient’s general health and their habits that might impact the success of the intervention.
It’s crucial for the individual to have an adequate amount and density of jawbone. This can be assessed using X-rays, CT scans, or Premium CBCT scans. Once diagnosed, the dentist determines if there is enough bone available or if bone grafting is necessary.
In certain cases, implant placement is not advised. Examples include periodontitis, bruxism, or heavy smokers.
Poor habits can be corrected with treatment—smoking should be ceased before and after the procedure.
Once the fixed-removable denture is in place…
Implant-retained dentures can be worn for 24 hours. However, they should be removed regularly for cleaning to maintain stability and ensure their