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What are crowns and bridges?

What are crowns and bridges?

Both crowns and fixed prostheses are cemented into the tooth as opposed to mobile features such as dentures and partial dentures removable, which can be removed and washed daily.

How crowns work?

Production of a dental crown - Photo: Getty Images

The crown is used for completely or only part of the crown of a damaged tooth. In addition to giving greater resistance to a damaged tooth, the crown can be used to improve the appearance, shape or alignment of the teeth in the arch. A crown can also be placed on an implant, giving it the shape and structure similar to that of the natural tooth, so that it can perform its functions. Porcelain or ceramic crowns can match the natural color of your teeth. Other materials used are gold and metal alloys, acrylic and ceramics. These metal alloys are generally sturdier than porcelain and may be recommended for posterior teeth.

Your dentist may recommend a crown for:

- Replace a large restoration when there is not too much tooth structure left

- Protect a fractured tooth;

- Restore a fractured tooth;

- Attach a prosthesis;

- Cover a dental implant;

- Cover a discolored or deformed tooth; Covering a tooth that has undergone a canal treatment.

How do fixed prostheses (or bridges) work?

A fixed prosthesis may be recommended if you have lost one or more teeth. Failures left by missing teeth can cause the remaining teeth to rotate or move into the void spaces, resulting in a wrong bite. Imbalance caused by absent teeth can also lead to gingivitis and temporomandibular joint (TMJ) dysfunction.

Fixed prostheses are commonly used to replace one or more missing teeth. They fill the space where there are no teeth and can be cemented to natural teeth or implants near empty space. These teeth, called pillars, serve as anchors for the bridges. A replacement tooth called the pontic is welded to the crowns that line the abutments. As with crowns, you can choose the material used for the bridges. Your dentist can help you decide by taking into consideration the location of the missing tooth (or missing teeth), its function, the cosmetic aspects and its cost. Porcelain or ceramic fixed prostheses should have the same color as the natural one of the teeth.

How are crowns and fixed prostheses (bridges) made?

Before a crown or fixed prosthesis is made, the tooth or teeth) should be reduced in size so that the crown or bridge fits perfectly over the preparation. After reduction of the tooth / teeth, your dentist will make an exact mold for the making of the crown or bridge. If the option is for porcelain, your dentist will choose the exact color of the crown or bridge that matches the color of the other teeth.

From this template, a dental laboratory (prosthetic) will make its crown or bridge in the specified by your dentist. A temporary crown or prosthesis will be placed in place to cover the prepared tooth, while the permanent fixed crown or prosthesis is being made.

How long are crowns and fixed prostheses (bridges)?

Although the crowns or bridges are removed, the crown or temporary prosthesis is removed so that the new one is cemented onto the tooth or teeth already prepared. can last a lifetime, sometimes they come loose or fall. The most important step in ensuring the longevity of your crown or bridge is to have good oral hygiene practice. The bridge may lose its support if the teeth or bone supporting it are damaged by disease. Keep your gums and teeth healthy by brushing with fluoride toothpaste and flossing daily. Also visit your dentist regularly for professional exams and cleanings. To prevent damage to your new crown or fixed prosthesis, avoid biting hard foods, ice, or other hard objects.

What causes red spots on the roof of your mouth?

What causes red spots on the roof of your mouth?

Red spots on the roof of your mouth can be caused by several reasons. Some are just a small inconvenience, while others may be a sign of a more serious health problem that may require further investigation. Here are a few common possibilities: Most people have had a cold sore at some point, and while these lesions are most common on the inside of the cheeks or lips, they can occur anywhere, including the roof of the mouth .


Anvisa approves unpublished medicine for the treatment of multiple sclerosis

Anvisa approves unpublished medicine for the treatment of multiple sclerosis

The National Agency of Sanitary Surveillance (ANVISA) approved on Monday (26) a medicine unprecedented in Brazil for the treatment of multiple sclerosis. it is a monoclonal antibody ocrelizumab, which has the commercial name of OCREVUS®. The drug was registered by Produtos Roche Químicos e Farmacêuticos S.