When Congress voted on the Treaty of Versailles the first time:

The progressive reformer, Lester Frank Ward, worked in the field of:

________ is inflammation of the supporting tissues of the teeth, progressing from the gingiva into the connective tissue and alveolar bone that support the teeth.

Deficiency of which of the following B vitamins is associated with heart irregularities, fatigue, nerve disorders, and mental confusion?

Foods high in _____ carbohydrates also supply vitamins, minerals, and fiber.

Periodontal science has proven a relationship with:

A product grown without the use of herbicides, chemical pesticides, or fertilizers can be labeled ___________.

The parts of a manual toothbrush are the _________. head shank handle

The method(s) most successful at removing plaque from interproximal surfaces of teeth is/are ______________. vigorous rinsing with mouthwashes using an irrigating device brushing with a fluoridated toothpaste chewing gum flossing

A _____ is an instrument calibrated in millimeters that is used to locate and measure the depth of periodontal pockets.