What are differences between fully acrylic and Cobalt- Chrome dentures? - By Dr Amir Mostofi DDS, Dip. MSc.

What are differences betwen fully acrylic and Cobalt- Chrome dentures?

Choosing between an acrylic denture and a cobalt chrome denture can make a big difference to comfort, stability, and how long your denture lasts. In this guide we compare acrylic vs cobalt chrome in plain English, including pros/cons, typical use-cases, and how to choose the right option for your mouth.

If you’d like a personalised recommendation, you can book a denture assessment at our Worthing clinic: Call 01903 821822 or use our contact page.

Two types of dentures are utilised to replace missing teeth: fully acrylic and cobalt-chrome dentures. Although they are both intended to provide patients a set of teeth that looks and functions naturally, they differ significantly in terms of the materials they are made of, their levels of strength, and their costs.

The material used to produce entirely acrylic and cobalt-chrome dentures is one of their primary distinctions. Fully acrylic dentures are built entirely of acrylic resin, a lightweight, user-friendly synthetic polymer. Conversely, cobalt-chrome dentures are constructed from a mix of cobalt and chromium, both of which are robust and long-lasting metals.

The strength and endurance of the two varieties of dentures is another difference. Since the metal used in their manufacture is more harder and more resistant to wear and tear, cobalt-chrome dentures are often stronger and more long-lasting than completely acrylic dentures. On the other hand, completely acrylic dentures are vulnerable to fracturing or cracking if not treated correctly.

The price of completely acrylic dentures is one of their benefits. They are a more cost-effective solution for patients on a tight budget because they are often less expensive than cobalt-chrome dentures. Since the acrylic material can be easily moulded and moulded, they are also simpler to repair and modify.

Cobalt-chrome dentures, on the other hand, have some definite advantages of their own. Since they are lighter and thinner than totally acrylic dentures, they are more comfortable to wear. Furthermore, they offer a more natural feeling in the mouth due to their snugger and more secure fit. Cobalt-chrome dentures are moreover less prone to yellowing and staining, making them simpler to maintain and retain appearing clean and new.

Cobalt-chrome dentures also have the benefit of withstanding drastic temperature changes. Cobalt-chrome dentures are more resistant to these temperature variations than fully acrylic dentures, which can become brittle and break if exposed to extremely cold or hot temperatures. They are therefore a better option for those who reside in regions with large temperature swings.

Fully acrylic dentures' propensity to break or crack is one of its main drawbacks. They are also prone to yellowing and staining, which can be challenging to remove. Additionally, they could deteriorate more quickly than cobalt-chrome dentures and need to be replaced more frequently.

Dentures made of cobalt-chrome also have significant drawbacks. The fact that they are typically more expensive than totally acrylic dentures is one of their key disadvantages. Due to the tougher and less flexible nature of the metal used in their production, they are also more challenging to repair or change. Additionally, certain persons who are allergic to cobalt or chromium may experience allergic reactions when wearing cobalt-chrome dentures.

Acrylic vs Cobalt Chrome Dentures: Quick Comparison

Acrylic dentures (plastic):

• Usually lower cost
• Quicker to adjust/repair
• Often used for temporary or simpler partial dentures
• Can be bulkier and may feel less stable in some cases
• May be more prone to fracture over time (depending on design)

Cobalt chrome dentures (metal framework):

• Typically thinner and more rigid
• Often feel more secure with better support
• Can be more comfortable due to reduced bulk
• Common choice for partial dentures where teeth remain
• Usually higher cost and more technical to manufacture/alter

In conclusion, cobalt-chrome and completely acrylic dentures each have specific benefits and drawbacks. Fully acrylic dentures are typically less expensive and simpler to fix, but they are less sturdy and more likely to shatter or crack. Dentures made of cobalt-chrome are more robust and long-lasting, but they are also more expensive and can sometimes induce allergic reactions in some people. The greatest option for a patient will ultimately rely on their specific requirements and financial situation.

Which one is best for me?

You may be better suited to acrylic if:

• you need a lower-cost option

• it’s a temporary denture (e.g., after extractions)

• you expect changes and want something easier to adjust

You may be better suited to cobalt chrome if:

• you want a slimmer, stronger partial denture

• you have enough healthy teeth for a stable design

• you want better longevity and stability for chewing

A clinical assessment is important because gum support, bite forces, and remaining teeth all affect the best design.

Book a denture assessment in Worthing

If you’re unsure whether acrylic or cobalt chrome is right for you, we can assess your mouth, discuss options, and provide a clear plan.

Call: 01903 821822

Address: 7 Chapel Road, Worthing, West Sussex BN11 1EG

You can also contact us online via the website contact page.