Free RDA Dental Charting, Tooth Morphology, and Occlusion Questions and Answers

Question 1

Using the Universal Numbering System, which tooth is designated as #24?

Accepted Answer

Mandibular left central incisor

Answer

Maxillary left central incisor

Answer

Mandibular right central incisor

Answer

Maxillary right canine

Question 2

What is the term for the V-shaped space between the proximal surfaces of two adjacent teeth?

Accepted Answer

Embrasure

Answer

Contact area

Answer

Cingulum

Answer

Fossa

Question 3

A patient with an Angle's Class II, Division 1 malocclusion typically exhibits which characteristic?

Accepted Answer

Maxillary incisors that are proclined (flared out)

Answer

An anterior crossbite

Answer

A prognathic mandible (underbite)

Answer

Maxillary central incisors that are retroclined (tipped back)

Question 4

When charting existing conditions in red, what does a solid red circle at the apex of a tooth root typically indicate?

Accepted Answer

A periapical abscess

Answer

A completed root canal

Answer

A tooth that needs to be extracted

Answer

An impacted tooth

Question 5

The non-functional, fifth cusp often found on the mesiolingual surface of a permanent maxillary first molar is called the:

Accepted Answer

Cusp of Carabelli

Answer

Cingulum

Answer

Mamelon

Answer

Talon cusp

Question 6

The anteroposterior curvature of the occlusal plane, when viewed from the side, is known as the:

Accepted Answer

Curve of Spee

Answer

Curve of Wilson

Answer

Sphere of Monson

Answer

Centric relation