Oral Health

Posted by: Broken Crown | 2009/05/14



Hi there! I have a porcelain crown. My previous one lasted about five years and then broke. It was replaced 6 months ago, and broke yet again. I have also suddenly got some lines or stains(?) on my two upper front teeth. I have been taking extra calcium - not really making a difference. I cannot have anymore lignocaine injections as I am allergic to it, which means no local anaesthetic for me. I can' t have xrays either since I have a pacemaker. Someone suggested an implant, but the tooth underneath the crown is not yet " dead"  and the crown was only put on because it kept on cracking down the side. Could you please advise? I am not even certain whether I should be seeing a dentist or dental surgeon at this stage.

Expert's Reply


Oral health expert

In your condition I would not advise an implant as these can give rise to complications and since you are allergic to anaesthetic it really cuts down on options.
The cause of the breaking needs to be determined - the stress lines on your teeth suggest a possible forceful bite.
If the crown can be redone by making it so that there is less pressure when biting this would be the best opition in my opinion

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