Oral Fixation (2009)
Plot: A woman named Rachel Marks develops a dangerous, all-consuming obsession with her New Jersey dentist, Dr. Paul McNeil. Despite the fact that Paul is happily married with a family, Rachel is convinced he shares her feelings, and she will go to extreme, often masochistic, lengths to be near him, including self-mutilation to create dental "emergencies." When her stalker behavior escalates, she forces herself into his life, leading to chaos, violence, and murder as the lines between love, delusion, and deadly obsession blur.