Age is no bar for braces if your bone health of teeth is good.
Xrays will show whether you can go ahead or no for braces. You can opt for invisible.braces too at this age.
Post orthodontic treatment you can go.ahead with implant or bridges.the dentist will.elave space accordingly.
Next Steps
visit the dentist, orthodontist, get xrays, lateral cephalogram done, they will plan your treatment accordingly.