Chapter 9 Dental Test

The size relation between the primary maxillary lateral incisor and the permanent central incisor.

The primary maxillary lateral incisor is smaller and narrower than the permanent maxillary central incisor.

If the molars on the mandibular arch have more roots than the molars on the maxillary arch

False

Place the teeth in correct order from midline backwards

Central incisor → lateral incisor → canine → premolars → molars

What the contact of a tooth refers to.

The contact of a tooth refers to where two sides of teeth touch (mesial of one and distal of another).

What age the first permanent tooth usually erupts

6-7 years old

Which tooth has the longest root in the maxillary arch

Maxillary Canine

How many teeth are found in each arch of primary dentition

10

Know tooth surfaces

Lingual = inside surface (palatal for maxillary)

Buccal (Facial) = cheek side (posterior)

Labial (Facial) = front (anterior)

Mesial = toward midline proximal

Distal = away from midline proximal

Occlusal = chewing surface (posterior)

Incisal = chewing/cutting edge (anterior).

By what age are all primary teeth usually fully erupted

24-32 months aka 2.5 and 3 years

At what age a persons first tooth usually erupts. EVER

6-10 months

What the first permanent tooth to erupt is

Mandibular first molar.

How many quadrants are in each arch

2 quadrants per arch (4 total in mouth).

Which permanent teeth are not succedaneous. Which tooth does not succeed a baby tooth

Molars (especially first, second, and third molars).

!!!Do first molars erupt before canines!!!

True

What the cornerstones of the mouth are. Which teeth are considered to cornerstones

Canines

Which premolars in the mouth have two roots

Maxillary first premolars.

What the primary function of incisors are

Cutting food.

!!!If primary teeth have tight contacts!!!

True

Anterior teeth are which tooth to which tooth

Incisors and canines. AKA canine to canine

Another name for upper and lower dental arches

Maxillary arch (upper) and mandibular arch (lower).

What the period of mixed dentition is

Ages 6-12 when both primary and permanent teeth are present.

How many surfaces are on each tooth

5 surfaces

By what age are all primary teeth have exfoliated

12 years old

How many sextants are in each arch

3 sextants per arch

How many teeth are in a full set of primary dentition

20 teeth