When the gums are healthy, they are soft and pink. It doesn't hurt when you press down on it. When the gum becomes infected, the condition is called gingivitis. It could be caused by bacteria or other germs that gather in the crevices between teeth. Other causes are ulcers and damage to the surface of gums. The expensive ctric toothbrush charger models offer gentler cleaning modes to avoid damage. Nearly all Sonicare brush heads can be attached to handles of every premium toothbrush model. This interchangeable nature is helpful because people can share the same handle, or users can switch between brush heads for specific requirements.
It's true that certain models come with particular kinds of brush heads in the box. But that doesn't mean they are the only ones to use. All heads are fully interchangeable with any handles.
The engineering of expensive models is excellent, to deliver greater value in terms of particular functions that make them very attractive to discerning buyers.
You can imagine these costly electric brushes as being special instruments rather than generic replacement parts an older worn out instrument. For example, some include flossers which direct powerful jets of water that can remove food debris from behind and between teeth, achieving better cleansing of your mouth.
