1) Looseness of the teeth 
looseness of the teeth
• (n.) A disease of the teeth, which causes them to loosen and fall out of their sockets.
Gom·phi'a·sis noun [ New Latin , from Greek ... toothache or gnashing of teeth, from ... a grinder tooth, from ... a bolt.] (Medicine) A disease of the teeth, which causes them to loosen and fall out of their sockets. 
looseness of the teeth.