Do Sonicare toothbrushes loosen fillings and crowns?

I've read up on it and don't see any cases where this has happened and Sonicare says it doesn't. But because these toothbrushes work by using high intensity vibration, twice a day, how do they Not loosen fillings and crowns? Thanks

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Answer: Sonicare loosen crowns

By Sarah h
Dental Professional

No, the sonicare will not loosen a filling or crown.  If this happens, then there is an issue with the restoration or recurrent caries. It will not effect the bond strength of composite resin or glass ionomer which are the two most common filling restoration and cement materials used today.  The sonicare is a great brush and does use a high intensity frequency, however it is gentle enough to touch to your gingival tissue without damaging it and is non-abrasive to restorations.  

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