Bacteria are classified as Gram-positive or Gram-negative based on:

All the following are complications of tertiary syphilis except:

The two common types of carriers of disease are:

Cysts and tumors adjacent to teeth can lead to:

What type of tooth wear occurs as a result of tooth-to-tooth contact?

Smoker’s melanosis is a condition of excessive melanin pigmentation found in the gingiva of what percentage of smokers?

Restriction in blood supply generally due to damaged blood vessels is called:

The most common location in the oral cavity for a pyogenic granuloma is on the:

Periapical cemental dysplasia is:

Signs are: