Dental chapter 11

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Key to occlusion

Permanent maxillary first molar

What are succedaneous teeth?

Permanent teeth that replace primary teeth

A proper contact relationship between adjacent teeth serves the following purposes

Prevents food from being trapped , stabilizes the dental araches by holding the teeth in either arach , protects the interpromximal gingiva tissue

First set of 20 primary teeth is called

Primary dentition

Usually the last teeth to be lost

Canines

Serves as the standard for a normal occlusion

Centric occlusion

When jaws are closed in a position that produces maximal stable contact between the surfaces

Centric occlusion

The area of the mesial or distal surface of a tooth that touches the adjacent tooth in the same arch

Contact area

The exact spot when teeth actually touch

Contact point

Describes the natural teeth in the dental arch

Dentition

The surface of the tooth distant to the midline

Distal surface

Buccal cusps hold the food while the lingual cusps —-

Grind it

The gingiva May be traumatized when food pushes against it

Inadequate contour

Single rooted teeth with a relatively sharp, thin edge. Used to cut food without heavy force

Incisors

The distal surface of the first molar and the medial surface of the second molar are

Proximal surfaces

When teeth are adjacent (next) to each other in the arch

Proximal surfaces

Molars are not what

Succedaneous teeth

Period that takes place between 6 and 12 years old

Mix dentition

Longer than premolars and usually have four or more cusps. Their function is the chew or grind up food

Molars

Crown of the tooth —— toward the cervical line is true for all types of teeth

Narrows

When the teeth of both arches are in contact, the teeth are in

Occlusion

Permanent teeth are numbered

1-32

The system most often used in the US

The universal/nation system

baby teeth are also called

deciduous teeth

The anterior teeth are the

incisors and canines

surface closest to the tongue

lingual surface

The chewing surface

masticatory surface

The surface of the tooth toward the midline

mesial surface

What are the 5 surfaces of the tooth

mesial, distal, facial (labial/buccal), lingual, occlusal/incisal

The posterior teeth are the

premolars and molars

The gingiva will lack adequate stimulation and will be difficult to clean

Overconturing

When first permanent teeth begin to emerge into the mouth

6-12 years old

Each quadrant of the permanent dentition contains _____ teeth, whereas each quadrant of the primary dentition contains _____ teeth.

8 , 5

The incisors and canines are aligned in

A gentle curve

Primary teeth are lettered

A-T

Permanent dentition is divided into —- types of teeth

4

There are —- maxillary and —— mandibular premolars

4,4

Each tooth has —- surfaces

5

What are the 4 types of teeth the permanent dentition is divided into

Incisors , canines , premolars and molars

Facial can be substituted for

Labial and buccal

Premolars and molars are aligned with

Little to no curve

Refers to the abnormal or malpostioned relationships of the teeth when in centric occlusion

Malocclusion

Shaped like a shovel to aid in guiding food into the mouth

Tongue side or lingual side

attrition

Wearing away of tooth


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