Dental woe is a term used to describe any kind of pain or discomfort related to the teeth and gums. The two crossword solutions for this term are ACHE (4 letters) and DECAY (5 letters). ACHE is a general term used to describe a dull, continuous pain, while DECAY is a term used to describe the process of deterioration of the teeth due to bacteria and plaque. Both of these terms can be used to describe dental woe, as they both involve pain and damage to the teeth.