Do I have a tort/strict liability/negligence/failure to disclose case against my landlord and its contractor?

You don't specify where you are or why you think Rule 1403 would apply. You also don't say if you've had any injury, so what would you be suing...

You can also report to the Dental Board.

How am I affected?

No.

Dementia pt. with far sighted vision is not allowed to have use of her eye glasses even when she asks for them. What to do?

There are a lot of facts missing here. Who is saying she can't wear glasses, where is she, and why?

Can I sue a company who's over-the-counter night guard caused an open bite?

Check with a products liability lawyer.

Do I need a Personal Injury Lawyer? My mother fell on our apartment's complex

Get a local PI lawyer to investigate.

"open bite?" do you mean an overbite?

Can I sue my employer for negligence after I pre-warned them of the danger I may be in

Usually no, you're stuck with workers' comp. when injured on the job. There IS a "serious and wilful" component to workers' comp. that you may...

What is the law about one dog attacking another dog and causing injury. Both were on leashes.

Sounds like a small claims case.

A court ordered Client died of overdose after departing sober living...are we liable? What to do? Family angry and blaming us.

If what you say is true, what happened doesn't sound like your responsibility. Just preserve this person's file and, if you're sued, turn over to...