The term Bicuspid Neighbor refers to the teeth that are located next to the bicuspid teeth, which are also known as premolars. The crossword solutions for this term include MOLAR (5 letters), MOLARS (6 letters), TOOTH (5 letters), ENAMEL (6 letters), PREMOLAR (8 letters), ROOT (4 letters), and Mitral (6 letters). MOLARS are the large teeth at the back of the mouth used for grinding food, while premolars are the smaller teeth located between the MOLARS and the canines. TOOTH ENAMEL is the hard outer layer of the TOOTH that protects it from decay. The ROOT of the TOOTH is the part that is embedded in the jawbone and holds the TOOTH in place. Finally, the mitral valve is a heart valve located between the left atrium and the left ventricle.