A disposable dental valve device is disclosed which comprises a valve body having a tip receiving end, a hose receiving end, a lumen formed between the tip receiving end and the hose receiving end, and a partial opening formed in the valve body, and a rotatable valve sealing body adapted to being inserted into the partial opening, the rotatable valve sealing body having a bore for alignment with the lumen formed between the tip receiving end and the hose receiving end, the rotatable valve body having a top and a handle portion connected to the top.