Why Do Dentures Break? Common Causes and Solutions - Dentistry

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When it comes to dentures, understanding why they break is crucial for maintaining oral health and ensuring the longevity of dental restorations. Several factors can contribute to the breakage of dentures, including material quality, design, fit, and the patient's oral hygiene practices.

Firstly, the materials used in dentures play a significant role in their durability. Most dentures are made from acrylic resin or porcelain. While acrylic is lighter and easier to adjust, it can be less durable than porcelain, which is stronger but can be more brittle. If the denture is made from lower-quality materials, it may be more prone to fractures. Additionally, the design of the denture, including how it distributes biting forces, can affect its strength. If the denture is not designed to handle the specific forces exerted during chewing, it may break under pressure.

Fit is another critical factor. Dentures that do not fit properly can lead to uneven pressure distribution when biting or chewing. This can cause certain areas of the denture to experience excessive stress, leading to fractures. Regular check-ups with a dentist are essential to ensure that the dentures fit well and to make any necessary adjustments.

Moreover, the patient's oral hygiene practices can significantly impact the longevity of dentures. Poor oral hygiene can lead to plaque buildup, which can weaken the denture material over time. Additionally, patients who do not follow proper care instructions, such as avoiding hard foods or using abrasive cleaning materials, may inadvertently damage their dentures.

In your case, the breakage of your dentures after root canal treatments could be attributed to several factors. The absence of a post (often referred to as a "core build-up") in the tooth structure can compromise the strength of the remaining tooth, making it more susceptible to fracture. A post helps to provide support for the crown and can significantly enhance the longevity of the restoration. If your previous dentist did not place a post, this could explain why the denture broke.

Your father's experience with his dentures lasting longer may be due to a combination of factors, including better material quality, proper fit, and diligent oral hygiene practices. It's also worth noting that individual differences in bite force and oral habits can affect how long dentures last.

To prevent future breakage, consider the following recommendations:
1. Choose a Reputable Dentist: Ensure that you are working with a skilled dentist who uses high-quality materials and understands the importance of proper denture design and fit.

2. Follow Care Instructions: Adhere to the care instructions provided by your dentist. This includes avoiding hard foods that can damage dentures and using appropriate cleaning methods.

3. Regular Check-ups: Schedule regular dental visits to monitor the condition of your dentures and make any necessary adjustments.

4. Consider Implants: If you continue to have issues with dentures, you might want to discuss dental implants with your dentist. Implants can provide a more stable and durable solution for tooth replacement.

5. Maintain Oral Hygiene: Good oral hygiene is essential for the longevity of both natural teeth and dentures. Brush your dentures daily and clean your mouth thoroughly.

In summary, the breakage of dentures can result from various factors, including material quality, design, fit, and oral hygiene practices. By understanding these factors and taking proactive steps, you can enhance the longevity of your dental restorations and maintain better oral health. If you have further concerns, discussing them with your dentist will provide you with tailored advice and solutions.