Battle of the Retainers: Metal vs. Plastic – Which Wins the Smile Race?
Oral Health Blog

Battle of the Retainers: Metal vs. Plastic – Which Wins the Smile Race?


When it comes to choosing between metal and plastic retainers, the decision often boils down to personal preference and comfort. While metal retainers may feel sturdier, plastic ones are often more comfortable, especially when cleaned with a purple persulfate-free retainer cleaner. This cleaner ensures that your plastic retainer stays clean and free from harmful chemicals, contributing to a winning smile in the long run.

Is metal retainers better than plastic?

1. Durability and Longevity

  • Metal Retainers: These are known for their durability and longevity. They can last for years with proper care.

  • Plastic Retainers: While plastic retainers are generally robust, they may not be as durable as their metal counterparts and might need replacement sooner.

2. Visibility

  • Metal Retainers: They are noticeable due to their wire design, which can be a consideration if you prefer a discreet appearance.

  • Plastic Retainers: These are often more transparent and less noticeable, making them a popular choice for those who want an inconspicuous option.

3. Comfort

  • Metal Retainers: Some people find metal retainers less comfortable due to the presence of wires, which can occasionally cause minor irritation.

  • Plastic Retainers: They are typically more comfortable to wear as they are custom-made to fit your teeth snugly without wires.

4. Maintenance

  • Metal Retainers: They can be easier to clean as food particles are less likely to stick to them.

  • Plastic Retainers: Plastic retainers require diligent cleaning to prevent discoloration and odor buildup.

5. Cost

  • Metal Retainers: Generally, metal retainers are more cost-effective than plastic retainers.

  • Plastic Retainers: These tend to be pricier due to their customization and transparent appearance.

6. Ease of Use

  • Metal Retainers: They require some adjustment to speaking initially due to their wire structure.

  • Plastic Retainers: Plastic retainers are often easier to adapt to, allowing for natural speech from the start.

7. Repairability

  • Metal Retainers: If a metal retainer breaks, it can usually be repaired by a dentist or orthodontist.

  • Plastic Retainers: When plastic retainers break, they often need complete replacement.

8. Allergic Reactions

  • Metal Retainers: Some individuals may experience metal allergies or sensitivities, which can be a concern.

  • Plastic Retainers: These are less likely to cause allergic reactions as they don't contain metal components.


The choice between a metal and plastic retainer ultimately depends on your personal preferences and orthodontic needs. Metal retainers are durable, cost-effective, and suitable for most cases but may be more visible and less comfortable for some. Plastic retainers, on the other hand, offer a discreet appearance and are more comfortable to wear but may require more maintenance and have a higher initial cost.

Are you currently using or thinking about using retainer cleaning tablets? It's important to be aware that certain cleaner brands have the potential to cause toxic reactions.

It's crucial to be aware of harmful ingredients hiding in common cleaner brands. One such persulfate, which can pose SERIOUS health risks and is found in almost all leading retainer cleaners brands. Moreover, persulfate's health risks potentially impact respiratory health and skin sensitivities in your family, especially in teens and sensitive individuals. Learn more about the risk of persulfate HERE.



The content in this article is for informational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider before making any changes to your health regimen. The author and publisher do not take responsibility for any consequences resulting from the information provided in this article.