Yes, all "practicing" professionals are licensed when serving the public. See link.
Yes. By visiting their website you can obtain a list of those dentists.
If you have legally moved to Ohio, you can take your Illinois licence and get an Ohio license.
IIRC, the state of Ohio requires two number plates to be displayed.
Information on dentists in the Cincinnati area can be found via a Google search for "dentists Cincinnati." Two web sites to check out are CincinnatiDentalServices.com and Cincinnati.Doctoroogle.com.
No
No such thing as a Bartending License. You must be 21 to bartend in Ohio. Bartendingexposed.com
Wait for the Ohio suspension period to expire.
Absolutely. You have one drivers license. The ticket is tied to this drivers license number and therefore will go on your driving record no matter what state the license is from. It will definitely show up on your record.
There is a fee penalty but nothing else. They will allow you to change your license when you get around to it.
To change your Pennsylvania license back to an Ohio drivers license, you must first reside in Ohio. Visit any Bureau of Motor Vehicles to begin that process.
Not legally.
Sort of. The Ohio DMV can report a violation California. California may then in turn suspend the license until the infraction in Ohio is cleared up.