The proximal surface root characteristic of the maxillary central incisor is:

The diagnosis of epiglottitis is aided by:

1. laying the patient down and observing the throat with a tongue blade. 2. visualization of the throat during tracheal intubation. 3. observing if the patient can swallow. 4. observing how the patient holds his or her tongue. a. 1, 2 b. 3, 4 c. 2, 3, 4 d. 1, 2, 3, 4

The most common skin cancer is ____. 

A. basal cell carcinoma B. squamous cell carcinoma C. melanoma D. eczema E. scabies