Are there any disadvantages to porcelain-fused-to-metal dental crowns?

Dec 25, 2024 Source: Cainiu Health

Dr. Liu Chao

Introduction

Disadvantages of porcelain-fused-to-metal crowns include oral infection, gum recession, worsening of periodontal disease, gum sensitivity, and gum darkening. Before deciding whether to proceed with porcelain crown restoration, a comprehensive oral examination should be performed, and the decision should be made under the guidance of a professional dentist. Additionally, after receiving porcelain crowns, it is important to maintain proper dental hygiene, brush teeth regularly, and avoid consuming spicy or irritating foods.

Disadvantages of porcelain crowns include oral infections, gum recession, worsening of periodontal disease, gum sensitivity, and darkening of the gums. Detailed explanations are as follows:

1. Oral Infections

If the gap between the porcelain crown and the natural tooth is not properly cleaned, food debris may accumulate, leading to bacterial infection.

2. Gum Recession

During the installation of porcelain crowns, excessive grinding of the tooth or irritation from the crown's edges may cause gum recession.

3. Worsening of Periodontal Disease

Periodontal disease may compromise the stability of the tooth structure. Installing a porcelain crown at this stage could exacerbate periodontal problems, leading to tooth loosening or even loss.

4. Gum Sensitivity

Improper fabrication of the porcelain crown or inappropriate material selection may increase tooth sensitivity.

5. Gum Darkening

Some porcelain crown materials have poor biocompatibility, which may cause gum darkening after prolonged use.

As a common dental restoration method, the suitability of porcelain crowns should be determined based on individual oral health conditions. Before deciding on porcelain crown restoration, a comprehensive oral examination should be performed, and the decision should be made under the guidance of a professional dentist. Additionally, after receiving a porcelain crown, proper dental hygiene must be maintained, teeth should be brushed regularly, and consumption of spicy or irritating foods such as Sichuan peppercorns, chili peppers, and garlic should be avoided to prevent compromising the aesthetics of the porcelain crown.

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How to repair tooth enamel

Under normal circumstances, enamel is the outermost tissue of the tooth and also the hardest substance in the human body. Enamel can be repaired through various methods such as using fluoride toothpaste, dental remineralization, dental veneers, porcelain crowns, and minimally invasive resin restoration. It is important to maintain good oral hygiene habits in daily life, including regular brushing and flossing.

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Is it better to get a porcelain crown or a dental implant when a tooth is missing?

In general, "porcelain" refers to porcelain crowns, and "implant" refers to dental implants. When deciding between a porcelain crown and a dental implant for a missing tooth, the choice should be based on the patient's specific circumstances. If a quick restoration is desired, a porcelain crown can be selected; if a more stable and long-lasting restoration is preferred, a dental implant may be chosen. If any discomfort occurs, it is recommended to seek medical attention promptly.

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Will teeth that have been reduced for a porcelain crown eventually die after several years?

Whether a tooth reduced for a porcelain crown will necrotize after several years mainly depends on the grinding process and oral hygiene habits. If the procedure is performed properly and the patient maintains good oral care, the tooth typically will not necrotize. However, improper technique during the procedure or inadequate postoperative care may lead to necrosis. Regular oral hygiene practices and periodic follow-up examinations are also important to help extend the lifespan of the tooth.

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Which is better between porcelain-fused-to-metal crowns and dental implants, and what are the differences?

Under normal circumstances, both porcelain-fused-to-metal (PFM) crowns and dental implants are common methods for dental restoration. Both are effective but are suitable for different situations. The differences between the two lie in restoration principles, effects on adjacent teeth, comfort and functional recovery, lifespan, cost, and other aspects. When choosing between PFM crowns and dental implants, a comprehensive consideration of individual oral conditions, financial capacity, and other factors is recommended.