Catherine Muldoon on Instagram: "This is how to use a tooth slooth to test cracks or fractures on teeth to determine which treatment option to recommend. . If you see or suspect a fracture on a tooth, often you cannot see it or if you do see it, you don’t know how deep it is . This is when you grab your tooth slooth. And it can make a diagnosis and/or treatment recommendation so much clearer. . Place the cupped portion on the cusp tip, have the patient bite and hold for about 3 seconds and then