There are many electric toothbrush brands on the market today, such as Oral-B and Xiaomi. Since each brand uses different contract manufacturers, the mold structures, sizes, and lengths they choose vary from one another.
Visit and Manufacturing Context
Therefore, in general, electric toothbrush heads are not interchangeable across different brands; even heads from different models of the same brand may not be compatible with one another.

Even if, by chance, brush heads from two different brands happen to fit onto the toothbrush, they won’t fit perfectly, which can lead to excessive noise and reduced cleaning effectiveness.
Production, Quality, and R&D
This is all caused by incompatible brush heads. Incompatible brush heads can also shorten their lifespan and indirectly affect the vibration frequency of the electric toothbrush, thereby reducing its overall lifespan.
Therefore, when using an electric toothbrush, it is best to choose one of the same model and brand.
Partnership Considerations
Aiwejay’s brush heads are generally interchangeable; with the exception of the UW01 adult antibacterial electric toothbrush model, which is not compatible with other electric toothbrushes, the brush heads for all other models—both children’s and adult—are interchangeable.


