MDA- Ch. 11 Overview of Dentition Test Q&A

Holding teeth in positive contact with each other

A proper contact between adjacent teeth stabilizes the dental arches by:

46

According to the ISO/FDI numbering system, an ADULT mandibular right first molar would be tooth number: (Quadrant, tooth number)

Mesial

Surface of the tooth toward the midline.

Distal

Surface of tooth DISTANT from the midline.

Functional occlusion

Teeth are in ____ when the teeth make contact during biting and chewing movements

Mandible

Temopormandibular joint permits movement of the:

Contact point

The ____ is the exact spot where adjacent teeth actually touch each other.

Incisal

The _____ surface is the chewing surface in anterior teeth

Incisors and canines

The anterior teeth are:

Contact area

The area where the mesial or distal surfaces of the tooth touch the adjacent tooth in the arch is the:

Incisors, canines, premolars and molars

The correct order of the teeth from mesial to distal in the PERMANENT dentition is:

Arches

The human mouth is divided into two dental:

Eruption of the adult mandibular first molar

The initiation of mixed dentition period is marked by which of the following events?

Mandibular

The lower jaw

Mandible

The lower teeth are set in the:

Universal/National

The tooth numbering system most often used in the US is the ____ system

Buccal

The tooth surface closest to the cheek on the posterior teeth is the ____ surface.

Distal

The two tooth surfaces that are proximal surfaces are the mesial and:

Maxillary

The upper jaw

8

There are ____ molar teeth in the primary dentition.

Embrasure

Triangular space in the gingival direction between the proximal surfaces of the maxillary and mandibular teeth.

Deciduous

Baby or primary teeth

8

Each quadrant of the permanent dentition contains how many teeth?

12

How many nonsuccedaneous teeth are in the adult dentition? *Wisdom teeth included*

2

How many quadrants are in the maxillary dentition

10-12

If a dentist uses the ISO numbering system and charts #11, #12, #13, #54, and #18 teeth as being present in the patient's mouth, approximately what is the age of the patient? *any number above 32 is primary*

I (one)

In angle class _____ occlusion, the mesiobuccal cusp of the permanent maxillary first molar occluded with the mesiobuccal groove of the mandibular first molar.

Have shovel shaped lingual surfaces

Incisors:

Molars

Permanent _____ are nonsuccedaneous teeth

Primary maxillary second molar

The mixed dentition period ends when which of the following teeth is lost?

Sextants

The mouth can be divided into six sections called:

Molars

The premolars are a cross between canines and ____

Lettered

The primary teeth are _____ in the universal/national system

Universal/National System

The primary teeth are identified using letters and the permanent teeth are identified using numbers with which of the follows tooth numbering systems?

Functional occlusion

The relationship between the maxillary and mandibular teeth during biting and chewing movements is:

Anterior

The teeth in the front of the mouth are called:

Each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line.

When the Palmer notation system (PNS) is used:

Occlusal

Which of following surfaces is the chewing surface for posterior teeth?

Centric occlusion

Which of the following describes the maximal stable contact between the occlusion surfaces of the maxillary and mandibular teeth?

Dentition

Which of the following describes the natural teeth in the dental arch?

Premolar

Which of the following is the preferred term for bicuspid?

Malocclusion

Which of the following refers to an abnormal relationship when the teeth are maximally occluded?

Lingual

Which of the following surfaces is closest to the tongue?

Facial

Which of the following surfaces of the maxillary anterior teeth do you mainly see when someone smiles?

Premolars and molars

Which of the following teeth are posterior teeth?

Succedaneous

Which of the following terms describes the permanent teeth that replace primary teeth?

All premolars have two cusps

Which statement is NOT true about premolars?

Mixed dentition

Which term is used to describe the period when both primary teeth and permanent teeth are present at the same time in the oral cavity?

Premolars

Which tooth is found only in the permanent dentition?

Premolars

Which type of teeth are not found in the primary dentition?

Canines

___ are the longest teeth in the human dentition and are used for cutting and tearing