Can I Replace Just My Bottom Dentures?

When it comes to dental care, dentures play a crucial role in restoring the smile and confidence of those with missing teeth. Over time, dentures may experience wear and tear, leading individuals to wonder if they can replace just one set of dentures, particularly the bottom dentures. In this blog, we will explore whether it is possible to replace just the bottom dentures and the factors to consider making this decision. 

Can You Just Replace the Bottom Dentures?

The short answer is yes, you can replace just your bottom dentures. However, it’s essential to understand that there are certain implications associated with this choice. Replacing only one set of dentures can affect the overall fit and function of your dental appliance. 

The Impact of Ill-Fitting Dentures

The fit of your new bottom denture is influenced by the condition of your existing dentures, especially if they are worn and ill-fitting. For instance, if your current set of dentures is more than five years old, it’s highly likely that they have experienced significant wear and tear. When replacing only one of the dentures, such as the bottom set, it becomes necessary to make adjustments to ensure compatibility with the older counterpart.

The Challenge of Meshing Old and New Dentures

Replacing just one denture means that the new set of teeth on the bottom must be adjusted to mesh properly with the older top denture. This can pose challenges, as the older denture’s teeth may have worn down over time, leading to an uneven bite and difficulty in achieving a precise fit. To address this, the dentist may need to grind down the sharper, new teeth on the bottom denture to match the worn-down teeth on the older denture.

The Importance of Replacing Both Dentures as a Pair

While it is possible to replace just the bottom denture, the best course of action is to replace both upper and lower dentures as a pair, or otherwise, to try and get the dentures repaired. Doing so offers several advantages that significantly impact fit, comfort, and functionality. 

Improved Fit 

When both the upper and lower dentures are replaced together, they are crafted to fit each other precisely. This ensures that the bite is aligned correctly, minimising any discomfort or irregularities while chewing. 

Better Chewing Efficiency

Having both dentures with new and sharp teeth enables more efficient chewing of food. This improves overall digestion and prevents unnecessary strain on the jaw and gums. 

Enhanced Aesthetics 

Replacing both dentures at the same time ensures a uniform and natural appearance, giving you a confident smile that complements your facial features. 


In conclusion, while it is possible to replace just your bottom dentures, doing so may compromise the overall fit and bite of your dental appliance. Replacing both the upper and lower dentures as a pair is the recommended approach for achieving the best fit, comfort, and chewing efficiency. Consult with your dentist to determine the best course of action based on the condition of your current dentures and your oral health needs. Remember, well-fitted dentures not only restore your smile but also enhance your quality of life. 

Medically Reviewed by:

Dip CDT RCS (Eng) Clinical Dental Technician
Determined to remain at the cutting edge of modern Dental Technology, David recently completed an intense training course in producing dentures that genuinely recreate the natural facial structures which are lost during the ageing process through tooth loss and gum regression. He, and his many patients, are overjoyed with the natural appearance and facial proportions which this new methodology offers.