Dental Assistant DANB Exam Questions & Answers 2026 (21–30)

Question 1

The submandibular gland empties saliva into the mouth through which duct?

TheoryPractice · Accepted Answer

Wharton duct. Wharton duct drains the submandibular gland and opens at the sublingual caruncle on the floor of the mouth near the lingual frenum.

Question 2

Which cranial nerve provides sensory innervation to the teeth and most of the face?

TheoryPractice · Accepted Answer

Trigeminal nerve (V). The trigeminal nerve (cranial nerve V) supplies sensation to the teeth, gingiva, and face and provides motor control to the muscles of mastication.

Question 3

In dental terminology, the prefix 'gingiv/o' refers to the:

TheoryPractice · Accepted Answer

Gums. Gingiv/o is the combining form for gums. For example, gingivitis means inflammation of the gingiva.

Question 4

The term 'edentulous' describes a patient who:

TheoryPractice · Accepted Answer

Has no teeth. Edentulous means without teeth. A fully edentulous patient has lost all natural teeth and may be treated with complete dentures or implants.

Question 5

The suffix '-ectomy' in a word such as gingivectomy means:

TheoryPractice · Accepted Answer

Surgical removal of. The suffix -ectomy means surgical removal or excision. A gingivectomy is the surgical removal of gingival tissue.

Question 6

Which Angle classification describes a normal molar relationship where the mesiobuccal cusp of the maxillary first molar aligns with the buccal groove of the mandibular first molar?

TheoryPractice · Accepted Answer

Class I. Angle Class I represents a normal anteroposterior molar relationship. Malocclusions in Class II (distoclusion) and Class III (mesioclusion) deviate from this position.

Question 7

Which permanent tooth is typically the first to erupt, around age 6?

TheoryPractice · Accepted Answer

First molar. The permanent first molars usually erupt around age six, behind the primary molars, which is why they are often called the six-year molars.

Question 8

Which teeth are designed primarily for tearing and have a single pointed cusp?

TheoryPractice · Accepted Answer

Canines. Canines (cuspids) have a single, prominent pointed cusp and the longest roots, making them well suited for cutting and tearing food.

Question 9

Which teeth have broad occlusal surfaces with multiple cusps used for grinding food?

TheoryPractice · Accepted Answer

Molars. Molars are the largest teeth with broad, multicusped occlusal surfaces designed to grind and crush food during mastication.

Question 10

The triangular space between the proximal surfaces of two adjacent teeth, apical to the contact area, is normally filled by the:

TheoryPractice · Accepted Answer

Interdental papilla. The interdental papilla is the gingival tissue that fills the embrasure space between adjacent teeth, helping protect the underlying bone and contact area.

Dental Assistant DANB Exam Questions & Answers 2026 (21–30)

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