# Gap Brush Guide > Tiny brushes clean wider gaps well. Learn to pick the right size, use them gently and replace them often. ## Guides - [Finding the Right Interdental Brush Size](https://interdental-brushes-how-to-use.vewunizi.workers.dev/interdental-brush-size-chart/): The right brush passes through the gap with light resistance, fills it without bending the wire, and causes no pain. - [Technique Without Forcing the Brush](https://interdental-brushes-how-to-use.vewunizi.workers.dev/interdental-brush-technique/): Good interdental brush technique is slow and gentle: slide the brush in at a comfortable angle, move it back and forth a few times, and take it out without. - [When to Replace Them](https://interdental-brushes-how-to-use.vewunizi.workers.dev/replacing-interdental-brushes/): Replacing interdental brushes is based on how the brush looks and feels, not on a calendar. - [Gaps After Gum Recession](https://interdental-brushes-how-to-use.vewunizi.workers.dev/interdental-brush-gum-recession/): Gum recession often leaves wider, more exposed gaps, and many people find an interdental brush suits those spaces well. - [Packing Them for Travel](https://interdental-brushes-how-to-use.vewunizi.workers.dev/interdental-brush-travel/): For interdental brush travel, pack a ventilated case, a few spare brushes in every size you use, and a small cleaning routine you can do at any sink. ## About - [About Gap Brush Guide](https://interdental-brushes-how-to-use.vewunizi.workers.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://interdental-brushes-how-to-use.vewunizi.workers.dev/feed.xml)