Can loss of front and bottom teeth height contribute to tmj, tongue enlargement, and posterior crossbite from clenching. ?

Yes and ...: A relationship exists between how your teeth fit together, how your joints and muscles are able to function, how the head works with the neck and other actions such as swallowing and breathing. When a patient loses his/her teeth something has to give. This can be bite, tmj, sleep problems and a host of other aspects. Treatments need to restore all of these to be effective or pain will result.

Yes, it can: A change in your vertical dimension can c ause all sorts of problems with your bite and can result in TMJ symptoms. Discuss this with your dentist to determine possible treatment alternatives for your situation.

Yes: Any loss of teeth which changes the alignment of the bite, will also affect the facial and jaw muscles and the positioning of the jaw.

Perhaps: Loss of teeth can contribute to TMJ. The tongue would not be larger but could seem to be larger. Posterio crossbite no relationship.

Yes: Loss of teeth without timely replacement can play havoc with your stomatognathic system. Please see your Dentist. Resolution of your dentition's health may be challenging, so don't put off getting started.