Has dental sealant caused decay and discolouration?

Q.
I went to my dentist and during my check up he noticed one of my fissures needed sealing as the back molar had fallen out years ago. My dentist asked me if I would like to have another sealant.
I am 27 years old and thought this was a bit weird as the first time I had these put in was when I was 7. So I went ahead and said yes to the fissure sealant as I thought any thing to save the tooth from further decay is worth it.
The next couple of days the plastic sealant feel out and I didn�t think any thing of it.
Next couple of weeks went by and I noticed a browner spot at the back of the molar, along with the big one I already see (where the seal was replaced). I researched on the internet about fissures sealants and realised there is an etching involved. Is it possible that my dentist could have caused a cavity in my tooth due to the acid etching? I mean is this possible? As I can�t recall seeing this before the sealant was placed?

Please can I have your honest opinion as then I will change my dentist. I am angry that my dentist will cause a filling/cavity due to the etching and now this fissure has fallen out.

Thank you for your time

A.
Hi sealant restorations are etched but the etching is milder than lemon juice so it cannot cause decay.
I am sure the restoration is guaranteed. hope this helps 
Dr Safeer Butt S3 Dental – Synergistic Smile Studios Clinics in Kent, Surrey & Sussex Web: www.s3dental.co.uk Tel: 020 8398 6322 View My Profile Dr Butt

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