<s>[INST] My tooth middle right bottom has been cracked for almost a year.  Yesterday felt likea pressure pain. TToday my right bottom lip and jaw are numb. And just touching the tooth has unbelievable pain. Ive been taking ibprophen and pennicilin from when my other tooth was bad. But very concernd about the numbness with just one one half. [/INST] Hello, Welcome Thanks for consulting Chat Doctor, I have gone through your query, you feel pain in that cracked tooth and numbness, as you have cracked tooth infection can be there in periapical region, periapical pathology causes pain, numbers, and you are taking medication for pain Ibuprofen, no need to take analgesic, now you should consult dentist, go for IOWA (X-rays) and go for proper treatment.  Hope this will help you. </s>