In the maxilla, which of the following teeth may drain through the palatal plate of bone and present as a palatal abscess?
1. Second incisors.
2. First premolars.
3. First molars.
4. First incisors.
5. Third molars.

(1) and (3)

(1) and (2)

(2) and (3)

(2) and (4)

(1) and (5)