Aligners can be given to align teeth,to remove yellow stains, get your teeth cleaned by a dentist, veneers and bleaching can also be done.

O yes y not U can at any age If y can go for Aligners bit expensive but totally worth it

Yes

Yes teeth alignment can be done at any age provided your bones, teeth and gums are healthy. Our eldest patient of Invisalign (invisible braces/clear aligners) is of 60 years and we have completed his treatment smoothly. Get yourself treated from teeth alignment specialist i.e. Orthodontist only. You can visit our clinic for a detailed consultation and guidance

Yes for all your questions. You can get your teeth aligned. You can use aligners, if don't want braces. And, of course you can get your teeth whitening done. Do visit a local dentist/Orthodontist for treatment and physical evaluation.