[header] How to tell your boyfriend he needs to see a dentist [title] Determine what is bothering you. [step] There may be one or several things wrong with your boyfriend's teeth or mouth. Noticing these symptoms can help you learn about the potential causes and consequences of the problem. 
This can help you convince your boyfriend to see a dentist. Some common problems include : [substeps] Bad breath black or rotting teeth dark receding gums yellow teeth [title] Listen to your boyfriend's complaints.