The best brush between teeth is one that fits the space comfortably: GUM Ultra Tight and Tight suit narrow gaps, DenTek Slim is designed for extra-tight spaces and access around dental work, GUM Moderate suits moderately spaced teeth, and GUM Wide is made for larger gaps. Compare the size descriptions before choosing; a brush that is too wide may not fit comfortably, while a brush that is too small may not match your needs.
| Product | Best For | Key Feature |
|---|---|---|
| GUM Ultra Tight | Very narrow spaces | Ultra-tight brush size |
| GUM Tight, 4-Pack | Narrow spaces and travel | Protective travel caps |
| DenTek Slim | Extra-tight spaces and dental work | Flexible wire |
| GUM Moderate | Moderately spaced teeth | Moderate-size brush |
| GUM Wide | Larger spaces | Wide brush size |
GUM Proxabrush Ultra Tight
Best for: People looking for an interdental brush for very narrow spaces. GUM describes this model as Ultra Tight and says it is designed for narrow dental spaces. Its soft bristles are intended to slide between teeth to clean areas a regular toothbrush may not reach.
The 15-count pack is a practical choice for someone who wants the smallest-size option among the listed GUM brushes. The brand says the brushes have protective travel caps and are treated with a hygienic solution for up to ten days of use.
Limitation: This is a size-specific option. Choose a different size if your spaces are moderate or wide, and do not force a brush into a gap where it does not fit comfortably.
GUM Proxabrush Tight, 4-Pack
Best for: Buyers who need a tight-space brush and want several packs for home, work, or travel. This four-pack contains four 10-count packages. GUM says the Tight brushes are crafted for narrow dental spaces and use soft bristles to clean between teeth.
The compact design and protective travel caps make this a useful choice for carrying a brush in a purse or travel kit. The listed features also describe the brushes as reusable for up to ten days, subject to the product’s care and hygiene directions.
Limitation: These brushes are intended for tight spaces, not larger gaps. If a brush does not slide in comfortably, consider a different size rather than pushing it through.
DenTek Advanced Clean Slim Brushes
Best for: People seeking an extra-tight brush or a design intended to reach around braces and other dental work. DenTek lists a tapered brush with soft bristles for extra-tight spaces and a flexible wire that bends to improve access around dental appliances. The 32-count pack offers more individual brushes than the 10- and 15-count options here.
Choose this model if flexible access and a slim profile matter more than a travel cap or a pack of multiple brush sizes. The product is described for cleaning between teeth, interdental spaces, and dental appliances.
Limitation: The flexible wire can bend during use, according to the product description. Use care around dental work and stop if the brush catches or does not fit the space.
GUM Proxabrush Moderate, 4-Pack
Best for: People whose teeth have moderately sized spaces. GUM specifically identifies this brush as a moderate size, positioning it between the tighter and wider options in the Proxabrush line. Soft bristles are intended to clean between teeth, and each brush has a protective travel cap.
The four-pack contains four 10-count packages, making it a suitable choice for stocking up on one size. It may be a better match than a tight brush when narrow models do not suit the space, while remaining more targeted than the wide version.
Limitation: The moderate size may not suit either very narrow or particularly large spaces. Match the brush to the gap rather than assuming one size works everywhere.
GUM Proxabrush Wide, 4-Pack
Best for: People with larger spaces between their teeth who want a brush sized for those gaps. GUM describes Wide as the widest brush in its Proxabrush line. The soft bristles are intended to clean between teeth, and the compact brushes include protective travel caps.
This four-pack contains four 10-count packages, so it is useful for buyers who already know they need a wider size. The listed features also describe the brushes as reusable for up to ten days.
Limitation: A wide brush is not the right choice for tight spaces. Avoid choosing it if the bristles or wire cannot enter the gap comfortably.
Buying Guide: How To Choose A Brush Between Teeth
Which brush size should I choose?
Start with the size of the spaces you want to clean. The products here range from Ultra Tight and Tight to Moderate and Wide. A suitable brush should enter the space without being forced. If you are unsure which size fits, ask a dental professional to help identify an appropriate option.
Should I choose a brush or floss?
Interdental brushes are designed to clean between teeth, and several products above describe them as an alternative to floss. They are not all the same size or shape, so compare the brush to your specific gaps. A brush that does not fit may not be the right tool for that space.
What features matter for braces or dental work?
DenTek specifically lists a flexible wire for access around braces and other dental work. Check the product description and choose carefully around appliances. If a brush catches or feels uncomfortable, do not force it; ask your dental professional for guidance on an appropriate cleaning tool.
Are reusable brushes suitable for travel?
GUM’s listed models include protective travel caps, and the brand describes them as reusable for up to ten days. Follow the product’s directions for cleaning and replacement. DenTek’s listed features do not specify a travel cap, so compare the package contents if portability is a priority.
Frequently Asked Questions
What is a brush between teeth called?
It is commonly called an interdental brush or interproximal brush. It has bristles designed to clean spaces between teeth.
Can I use the same brush size everywhere?
Not necessarily. Spaces can differ, and these products come in several sizes. Choose a brush that fits each space comfortably.
Can an interdental brush replace regular toothbrushing?
No. These brushes are designed to clean between teeth, while a regular toothbrush cleans tooth surfaces. Use products according to their directions.
Which option is intended for larger gaps?
GUM Proxabrush Wide is described as the widest size in the Proxabrush line and is designed for larger spaces.
What should I do if a brush will not fit?
Do not force it. Try an appropriately smaller size or ask a dental professional which interdental cleaner suits the space.