Blending white rice?

So I have been wearing permanent braces for the last 2 years, and just recently, my jaws and molars have been hurting like hell, so eating foods like rice, chicken have been very painful. The pain is probably caused by the dentist reajusting the wires which puts a lot of force in my teeth. I will only remove them 3-4 months from now but from now and then I plan to continue my diet. Do you guys think if I blended foods like chicken breast and rice, they would lose some of their nutrional values and consequently become worthless? Also if I were to do this, would I cook them or just put them in raw?

Thanks in advance

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