Fixed Dentures: Fit, Cleaning, and Cavity Concerns

Fixed dentures

Hello, Doctor; I would like to ask you a question.
I recently had fixed dentures placed, and it has been 4 days.
I noticed that the fixed denture on the dental bridge fits more snugly, while the one placed in the extraction site is not as tight and has some gaps.
Is this a normal phenomenon? Additionally, how should I clean the areas that are not snug against the gums (not the spaces between teeth)? Will there also be a risk of cavities in areas where there is only a fixed denture without a dental bridge?

A-Hsiang, 30~39 year old female. Ask Date: 2016/03/21

Dr. Qiu Qiongyao reply Dentistry

1.
The dental bridge designed for the edentulous area typically comes in two forms: saddle-shaped or point contact designs.
Patients are usually advised to clean them conveniently at home, using dental floss to thread through the bridge or utilizing a water flosser for cleaning.

2.
If oral hygiene is not maintained properly, even with the fabrication of dentures, caries can develop at the margins.

Reply Date: 2016/03/21

More Info

When it comes to fixed dentures, also known as dental bridges or crowns, understanding their fit, cleaning, and potential cavity concerns is crucial for maintaining oral health. Based on your inquiry, it seems you have recently had fixed dentures placed, and you are experiencing some concerns regarding their fit and cleaning.

Firstly, it's important to note that a proper fit is essential for the longevity and functionality of fixed dentures. If you notice that the fixed denture over the bridge fits well but the one placed in the area of a tooth extraction has gaps, this could be a cause for concern. Ideally, fixed dentures should fit snugly against the gums and adjacent teeth to prevent food particles from getting trapped, which can lead to plaque buildup and cavities. However, slight variations in fit can occur due to the natural contours of the gums and the healing process following tooth extraction. If the gaps are significant, it is advisable to return to your dentist for an evaluation. They may need to adjust the denture or consider a different approach to ensure a better fit.

Regarding cleaning, maintaining oral hygiene around fixed dentures is vital. For areas where there are gaps between the denture and the gums, it is essential to clean these spaces thoroughly to prevent food accumulation and plaque formation. You can use a soft-bristled toothbrush to gently clean the surfaces of the denture and the surrounding gums. Additionally, using an interdental brush or a water flosser can help reach areas that are difficult to clean with a regular toothbrush. If you have a gap, be sure to focus on that area to remove any debris that may accumulate.

As for the concern about cavities, yes, it is possible for the area around fixed dentures to develop cavities if proper cleaning is not maintained. The risk of cavities increases if food particles are allowed to remain in the gaps between the denture and the gums. Regular dental check-ups are essential, as your dentist can monitor the health of your gums and the integrity of the denture. They may also recommend fluoride treatments or sealants to help protect the adjacent teeth from decay.

In summary, while some variation in fit can be normal, significant gaps should be addressed with your dentist. Regular and thorough cleaning is essential to prevent cavities and maintain gum health. If you have any further concerns or if the fit does not improve, do not hesitate to seek professional advice. Your oral health is paramount, and ensuring that your fixed dentures are well-fitted and clean will contribute to a healthier smile.

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