Acrylic vs Metal Partial Dentures: Which Is Right for You?

Introduction: Choosing the Right Partial Denture

If you’re missing several teeth and looking for an affordable, non-invasive replacement solution, partial dentures are a popular and practical choice. Among the various types of dentures, acrylic and metal partial dentures are the most commonly used. Each type has its own advantages and considerations depending on your dental needs, budget, and aesthetic preferences.

This guide will walk you through the differences between acrylic and metal partial dentures, helping you make an informed decision in consultation with your dentist.

What Are Partial Dentures?

Partial dentures are removable dental appliances designed to replace one or more missing teeth while preserving your remaining natural teeth. They fill in the gaps and restore function and appearance. Unlike full dentures—which replace all teeth—partial dentures clip onto your existing teeth for support.

Partial dentures are custom-made to suit the individual’s oral anatomy. They consist of a base (made from acrylic or metal) and artificial teeth arranged to match the natural bite and smile of the patient.

When Do You Need Partial Dentures?

Partial dentures are an ideal solution if:

You are missing some, but not all, of your natural teeth.
You’re not suitable for dental implants due to bone density, health issues, or financial limitations.
You prefer a removable solution over a fixed bridge or implant.
You need an immediate or temporary solution while waiting for permanent treatment.

They help improve your ability to chew and speak, prevent surrounding teeth from shifting, and restore your smile—all without the need for surgery.

Overview of Denture Material Options

Partial dentures can be fabricated from different materials. The three most common types are:

Acrylic Dentures: Made entirely from gum-coloured plastic resin, typically used as a temporary solution or for budget-conscious patients.
Metal Dentures: Constructed with a cobalt-chrome or titanium framework, these are thinner, stronger, and longer lasting.
Flexible Dentures (Valplast): Made from nylon resin, offering greater flexibility and aesthetics, but usually at a higher cost.

For this article, we will focus specifically on the two most common options—acrylic and metal partial dentures.

What Are Acrylic Partial Dentures?

Acrylic partial dentures are made from a rigid plastic resin base, coloured to resemble gum tissue, with artificial teeth embedded into the acrylic. They may include clear or metal clasps that wrap around neighbouring teeth to hold them in place.

These dentures are often used:

As an immediate solution after extractions.
As a first-time denture option due to their affordability.
In situations requiring frequent adjustments or temporary wear.

Despite being bulkier than metal dentures, acrylics remain a go-to solution for quick and affordable tooth replacement.

Advantages of Acrylic Partial Dentures

Acrylic partial dentures offer several benefits:

Affordability: One of the least expensive options, making it suitable for those on a budget or in need of a temporary fix.
Quick Fabrication: Can usually be made faster than metal options, which is useful for urgent replacements.
Aesthetic Gum Matching: The pink acrylic base can be coloured to match your gum tone.
Easy to Modify: Acrylic is simple to reline, repair, or add teeth to if needed.
Ideal for Immediate Dentures: Suitable immediately after extractions, allowing you to leave the clinic with teeth the same day.

Drawbacks of Acrylic Partial Dentures

While acrylic dentures are convenient and cost-effective, they do have their limitations:

Bulkier Feel: To ensure strength, the acrylic base must be thicker, making them feel more intrusive in the mouth.
Less Comfortable: Because of the bulk and lack of precise support, they may feel unstable, especially during chewing.
Gum Pressure: Acrylic dentures typically rest on the gums alone, placing extra pressure on soft tissue, which may lead to soreness or long-term bone resorption.
Durability Issues: Acrylic is more prone to cracking or breaking than metal, and typically lasts around 3–5 years with regular use.
Retention: Metal clasps on acrylic dentures are often glued in, making them less stable compared to those cast into metal frames.

Types of Acrylic Used and Customisation Options

Not all acrylic dentures are the same. Various types of acrylic materials and processing techniques affect the quality, fit, and longevity of your denture:

Standard Acrylic: Basic cold-cured acrylic used for temporary or budget dentures.
High-Impact Acrylic: Stronger and more fracture-resistant, ideal for daily wear.
Heat-Cured Compression System: Enhances strength and reduces porosity for a better fit and hygiene.
Injection-Moulded Systems (e.g. Ivobase): Provide better density, durability, and comfort.

You can also choose from options like:

Ivoclar or Vitapan Physiodens teeth (for more natural aesthetics)
Customised tooth arrangement
Metal vs aesthetic clasps, depending on your aesthetic goals and functional needs

These options help tailor your denture to your personal comfort, look, and performance expectations.

What Are Metal Partial Dentures?

Metal partial dentures are built around a custom-designed metal framework, usually made of cobalt-chrome or titanium, supporting both the replacement teeth and clasps. The framework rests on selected teeth and the gums to distribute biting force evenly.

Unlike acrylics that rely mainly on gum support, metal partials are often tooth-supported, offering a more stable and long-term solution. The metal base is usually covered with gum-coloured acrylic in visible areas for a natural appearance.

They are generally recommended for:

Long-term use
Patients with remaining healthy teeth for support
Those looking for improved stability and comfort

Benefits of Metal Partial Dentures

Metal partial dentures provide multiple advantages that make them a preferred option for many:

Slim and Lightweight: The strength of metal allows for a thinner design, making them feel less bulky in the mouth.
Superior Fit: Precision-cast metal frameworks conform more accurately to your mouth’s shape, improving comfort and function.
Improved Retention: Clasps made from cobalt-chrome are cast into the framework, offering better grip and less chance of movement.
Tooth and Gum Support: Metal frameworks can include rest seats that sit on your natural teeth, improving distribution of pressure and preventing sinking into the gums.
Open Palate Design: In upper dentures, the palate can often be left uncovered, improving speech, comfort, and taste perception.
Durability: Metal dentures resist bending, cracking, and wear much better than acrylic dentures.
Hygiene: They accumulate less plaque and are easier to clean due to the streamlined framework.

Limitations of Metal Partial Dentures

Despite their advantages, metal partial dentures are not ideal for every patient:

Higher Cost: The materials and labour involved make them significantly more expensive than acrylic options.
Longer Fabrication Time: Due to the precision casting process, it takes more time to produce and adjust.
Visible Clasps: In some cases, the metal clasps may be visible when smiling or speaking, which can be a concern for some.
Not Ideal as Immediate Dentures: They are not typically used directly after extractions due to changes in gum shape during healing.

Nonetheless, these limitations are often outweighed by the long-term benefits, especially for patients seeking durability and comfort.

Materials Used in Metal Dentures: Cobalt Chrome vs Titanium

The most common materials used in metal dentures include:

Cobalt-Chrome Alloy:
- Most widely used
- Excellent combination of strength, durability, and elasticity
- Retains shape over time, making clasps reliable
- Offers good biocompatibility
Titanium:
- Lighter than cobalt-chrome
- Ideal for patients with metal sensitivities
- Highly biocompatible and corrosion-resistant
- Generally more expensive

Your prosthetist will choose the appropriate material based on your oral anatomy, medical history, and budget.

Fit, Comfort, and Bulkiness: Metal vs Acrylic

Fit: Metal frameworks are custom-cast for precision, resulting in better contact with teeth and tissues. Acrylic dentures are less exact, sometimes requiring more adjustments.
Comfort: Metal dentures, being thinner and lighter, tend to feel more natural in the mouth.
Bulkiness: Acrylic bases need to be thick to provide strength, often feeling bulky and intrusive. Metal dentures can be significantly slimmer and more discreet.

Overall, most patients report better comfort and less speech interference with metal dentures compared to acrylic ones.

Retention and Support: Which Performs Better?

Retention and support are crucial for denture function:

Retention is how well the denture stays in place during activities like chewing or talking.
Support refers to how well the biting force is distributed to avoid pressure on the gums.

Metal Dentures:

Use precision-cast clasps and tooth rests
Offer tooth-and-gum support (preferred)
Clasps are stronger and retain their shape longer
Better long-term retention and stability

Acrylic Dentures:

Often rely more on gum support
Clasps are often glued in and less secure
Can lead to sore gums and bone loss over time
More prone to shifting and discomfort

In short, metal dentures outperform acrylic in both retention and support—making them ideal for those who want better stability and reduced long-term oral stress.

Aesthetics: Do Metal Clasps Affect Your Smile?

When it comes to appearance, patients often worry that metal dentures may be more visible than acrylic ones. While acrylic dentures usually have gum-coloured bases and clear or tooth-coloured clasps, metal partial dentures often feature visible metal clasps that can sometimes be seen when smiling or speaking.

That said, skilled prosthetists can often hide the clasps in less visible areas of the mouth or even offer options for aesthetic clasps that match tooth colour more closely. In contrast, acrylic dentures offer better concealment but at the cost of less stability.

👉 Key takeaway: Acrylic may look more natural at first glance, but metal dentures can often be customised to strike a balance between aesthetics and function.

Durability and Longevity Comparison

Acrylic Partial Dentures:

Typically last 3 to 5 years with regular use
More prone to breakage, cracking, or warping
May require frequent relines or replacements
Best for temporary or interim use

Metal Partial Dentures:

Can last 8 to 10 years or more with proper care
Highly resistant to damage and distortion
Clasps retain shape and tension longer
Great for long-term, full-time wear

If you’re seeking a long-term solution and are willing to invest more upfront, metal dentures offer better value in the long run.

Adjustment, Repair, and Maintenance Needs

Acrylic Dentures:

Easy to adjust and reline
Repairs (e.g. tooth additions, cracks) can be completed quickly and often in-house
More likely to need frequent maintenance

Metal Dentures:

Adjustments are more complex and require specialised equipment
Relining and repairing may take longer and cost more
However, due to their strength, they often require fewer repairs over time

If you anticipate needing modifications (e.g. adding teeth after extractions), acrylic may be the more flexible choice initially.

Turnaround Time and Production Process

Acrylic Dentures:

Faster to fabricate—often completed in a few days to a week
Ideal for immediate or emergency replacements
Suitable when time is a key concern

Metal Dentures:

Require more steps including custom casting, often taking 2 to 3 weeks or more
Involves greater collaboration between the prosthetist and dental lab
Not suitable for immediate use after extractions due to gum healing requirements

Your treatment timeline can heavily influence your choice, especially if you need a quick solution.

Cost Comparison: Acrylic vs Metal Dentures

Here’s a general comparison based on Australian pricing as of 2024–2025:

Denture Type	Estimated Cost (AUD)
Partial Acrylic Denture	$950 – $1,700
Partial Chrome Cobalt Denture	$1,600 – $2,000+
Tooth Additions	$80 – $120 per tooth
Immediate Tooth Addition	$60 (if extracted immediately)

Why the difference?

Acrylic dentures are cheaper due to simpler materials and faster production.
Metal dentures involve premium materials and more skilled labour, especially for precise fit and casting.

Also, consider:

Acrylics may need replacing sooner.
Metals are an investment with lower long-term maintenance.

Who Should Choose Acrylic Dentures?

Acrylic partial dentures might be ideal if you:

Need a temporary solution (e.g. post-extraction healing)
Are on a tight budget
Want to try dentures for the first time before committing
Need a faster turnaround
May require future tooth additions

They are also a practical option for elderly patients or those who may eventually move to implant-supported dentures.

Who Should Opt for Metal Dentures?

Metal partial dentures are a better choice if you:

Want a long-lasting, durable solution
Prefer better retention and fit
Are concerned about comfort and chewing performance
Have several healthy teeth remaining for clasp support
Can invest upfront in a premium option
Dislike bulky dentures or have gag reflex issues (due to metal’s slim profile)

Metal dentures are ideal for active users who wear their dentures full-time and want minimal maintenance and maximum reliability.

Patient Suitability: Factors Your Dentist Considers

Choosing between acrylic and metal partial dentures isn’t a one-size-fits-all decision. Your dentist or prosthetist will assess several key factors to recommend the most suitable type:

Number and position of missing teeth
Health of remaining teeth for support
Gum condition and bone density
Budget and insurance cover
Lifestyle and preferences (e.g. eating habits, aesthetics)
Expected duration of use (temporary vs long-term)
Tolerance for bulk or visible clasps

A thorough consultation ensures the chosen denture type aligns with your goals for function, comfort, and appearance.

Combining Metal and Acrylic for Hybrid Dentures

For some patients, a hybrid approach offers the best of both worlds. These dentures combine a metal framework for strength and stability with an acrylic base for aesthetics and comfort.

Advantages:

Metal clasps and rests for secure fit
Gum-coloured acrylic base for a natural look
Customisable to suit both budget and clinical needs
Easier to reline or adjust than full metal dentures

These are especially useful if you want a lighter, more discreet denture without compromising on performance.

Care Tips for Acrylic and Metal Partial Dentures

Proper care prolongs the life of your dentures and ensures comfort:

✅ Daily Cleaning:

Rinse after meals to remove food debris
Use a soft denture brush and non-abrasive cleaner
Avoid regular toothpaste (can scratch denture surface)

✅ Overnight Soaking:

Keep in water or denture solution overnight
Never use hot water (may warp acrylic or damage metal clasps)

✅ Handle with Care:

Lay a towel down when handling dentures to prevent breakage if dropped

✅ Regular Checkups:

Visit your dentist to reline, adjust, or check for signs of wear
Don’t attempt self-repairs (can lead to misfit or damage)

Metal dentures generally require less maintenance but both types benefit from consistent care.

FAQs: Common Questions About Partial Dentures

Q: How long do partial dentures last?
Acrylic: ~3–5 years | Metal: ~8–10 years

Q: Are partial dentures uncomfortable?
There’s an adjustment period. Metal is usually more comfortable due to thinner design and precise fit.

Q: Can you eat normally with partial dentures?
Yes, though softer foods are recommended at first. Metal dentures usually offer better chewing stability.

Q: Are dentures covered by Medicare in Australia?
Not typically. However, public dental services may assist eligible patients, including pensioners, through state-based programs.

Q: Can teeth be added to my existing denture later?
Yes—for acrylic dentures, this is easier. For metal dentures, it’s possible but more complex.

Insurance and Payment Options in Australia

The cost of dentures in Australia can be a concern, but several options may help:

Private Health Insurance: Extras cover may reimburse part of your denture cost.
Public Dental Clinics: Eligible patients (e.g. Centrelink card holders) may receive subsidised care.
Veteran Affairs (DVA): Gold card holders receive full dental cover; white card holders are covered for service-related issues.
Interest-Free Payment Plans: Many clinics offer flexible instalment plans through providers like National Dental Plan or Humm.

Always check with your provider and clinic for eligibility and limits.

Final Thoughts: Making an Informed Decision

Acrylic and metal partial dentures both play important roles in modern dentistry. Your choice depends on your clinical condition, lifestyle, aesthetic concerns, and budget. Acrylic is ideal for short-term, lower-cost needs, while metal offers long-term comfort and reliability.

Take the time to discuss your priorities with your dentist—whether that’s speed, appearance, strength, or affordability—and don’t hesitate to ask about custom solutions or combinations.

A well-made denture should restore more than just your smile—it should restore your confidence and quality of life.

Book a Consultation: Find the Best Fit for Your Smile

If you’re ready to explore your denture options, our team at Affordable Implants and Dentures is here to help. We offer:

Expert consultations to guide your choice
On-site fabrication for quick turnaround
Transparent quotes tailored to your case
Flexible payment plans

Let us help you regain a comfortable, confident smile—with the denture solution that suits you best.