"Dental Referral - no response, no-update"

I was referred to Lincoln on 10 April 2018, looking for treatment of my TMJ, which is increasingly painful. Almost 4 months, later several phone calls to the Dental dept, most of which are disconnected after 5 minutes of constant ringing, leaving messages on an answer machines which I doubt ever gets reviewed, I am no further forward.

No-one has called me back and I can not get through to anyone.

Does this department actually exist?

The NHS Dental dept has proven to be faceless, and completely contactable!

Please, I need to progress my treatment and get a resolution to my pain.

Can some-one please tell me how I can move this forward and at least speak to some-one.