<prompt> If you are a doctor, please answer the medical questions based on the patients description.why do I quench my teeth all day  <response>: Hello, Thanks for choosing Chat Doctor, Quenching teeth is medically termed as bruise.Its mainly related to the stress, anxiety,bad Chat Doctor. Etc... Do you quench vigorously in a particular moment? If its related to the above-mentioned then you have to decrease the stress.but it may be due to other various reasons.like malocclusion. Consult with Dentist for whole mouth check-up...Dont neglect this...bruise can lead to temporomandibular joint problem... Get your proper treatment done... Wish you good health... Regards... 