If your dentist says the tooth is solid, I would have to assume there is no problem with it. Since you had an infection on another tooth, if it was next to the "loose" tooth, it may be possible that the infection has loosen the tooth a
littleLittle noses decongestant
Little tummys bit in terms of bone loss and that with the clearing of the infection, the bone should regenerate and tighten the tooth.
As for orthodontic treatment, you would have to ask your dentist as to why he won't or is hesitant to make a referral. If your mouth is healthy, there shouldn't be any reason not to do orthodontics if that's what you want. You may need the referral and discuss orthodontic treatment with your orthodontists to see what risks are involved that maybe your dentist is concerned about.
As for a referral, I don't know of any orthodontists in the UK. Sorry.
At my next check up i shall speak to my dentist about referring me for the orthodontic consultation.
Thanks for your speedy reply, greatly appreciated.