Teething problem?

Kay

So my baby is 12 months old as of Wednesday, he’s been getting this top tooth for about a month now. I have two other kids but their teeth never took longer than a few days to come in all the way. Is there a reason his is taking so long? At what point should I take him to the dentist to make sure all is well? It’s like once it erupted, it just hasn’t grown anymore.

Thanks in advance for any advice ❤️