dental anatomy test 1

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central and lateral incisors

Act like scissors. They grasp and cut food.

Permanent dentition

All ____ teeth erupted by age 21. These teeth are also known as adult or secondary teeth.

Non-succedaneous

All permanent molars-they erupt without replacing any teeth. Ex. 1st, 2nd and 3rd molar

Deciduous or primary dentition

Also known as baby teeth, milk teeth, temporary teeth or deciduous teeth.

Anterior teeth

Incisors and cuspids are ____

Primary and permanent

Two types of dentition

Maxilla

Upper jaw, largest bone in the face, fixed rigidly to the skull so it doesn't move, paired bone (right & left sides)

7-8 years

Eruption of permanent Maxillary central incisors

8-9 years

Eruption of permanent Maxillary lateral incisors

12-13

Eruption of permanent Maxillary second molars

17-21

Eruption of permanent Third molars

Permanent dentition and 32

Eruption starts around age 6 and there are __ teeth in this set.

Facial

Facing towards the face. Also known as buccal or labial.

Mixed dentition

Follows primary teeth and occurs between the ages of 6-12.

Mixed dentition

Hardest stage for DH to clean

pre molars or bicuspids

Have two pointed projections. They tear, shred and crush food.

32

How many permanent teeth?

20

How many teeth in deciduous/primary teeth?

molars

Strongest and most useful type of tooth. They grind food into pieces.

16 teeth

There are __ teeth in an arch

Maxillary and mandibular arch

Together these two arches make up one dentition (one set of teeth)

Mesial

Toward the midline of the tooth

Primary, mixed, permanent

3 periods of dentition

Malocclusion

Any irregularities in the positioning and relationship of the teeth. The teeth don't meet properly

Permanent

At about 6 years old all ____ teeth starts to erupt.

Occlusal

Biting surface of the tooth. Posterior teeth.

Mixed dentition

Both primary and permanent teeth are present during this stage. More noticeable jaw bone growth in this stage.

Deciduous

By the age of 2-3 all ___ teeth have erupted

T-Tooth

Central incisor or molar

Buccal

Cheek area

Deciduous or primary dentition

Child's 1st set of natural teeth. Begins with eruption of the primary mandibular central incisors.

Incisal

Cutting edge of tooth. Biting surface. Anterior teeth.

Molars

Deciduous/primary teeth 1st primary ____ 4 total 2 in each arch 1 in each quadrant

Molars

Deciduous/primary teeth 2nd primary ____ 4 total 2 in each arch 1 in each quadrant

Central and lateral incisors Canines

Deciduous/primary teeth 4 total 2 in each arch 1 in each quadrant

DAQT

Designated by name, arch, quadrant and type

5

Each tooth has __ surfaces

12-16 months

Eruption of deciduous Mandibular 1st molars

20 months

Eruption of deciduous Mandibular 2nd molars

16 months

Eruption of deciduous Mandibular canines

6 months

Eruption of deciduous Mandibular central incisors

7 months

Eruption of deciduous Mandibular lateral incisors

14 months

Eruption of deciduous Maxillary 1st molars

24 months

Eruption of deciduous Maxillary 2nd molars

8 months

Eruption of deciduous Maxillary lateral incisors

7 1/2 moths

Eruption of deciduous Maxillary central incisors

18 months

Eruption of deciduous Maxillary canines

6-7 years

Eruption of permanent Mandibular 1st molars

10-11 years

Eruption of permanent Mandibular 1st premolars

11-12 years

Eruption of permanent Mandibular 2nd premolars

9-10 years

Eruption of permanent Mandibular canines

6-7 years

Eruption of permanent Mandibular central incisors

7-8 years

Eruption of permanent Mandibular lateral incisors

11-13 years

Eruption of permanent Mandibular second molars

6-7 years

Eruption of permanent Maxillary 1st molars

10-11 years

Eruption of permanent Maxillary 1st premolars

11-12 years

Eruption of permanent Maxillary 2nd premolars

11-12

Eruption of permanent Maxillary canines

Mixed dentition

Known as the ugly duckling stage.

Permanent dentition

Last set of natural teeth.

Q-Quadrant

Left or right

Labial

Lip area

Mandible

Lower jaw, longest and strongest bone of the face, only moveable bone of the face, single bone

Mixed dentition

Mandibular 1st molar is the first permanent tooth to erupt in this stage.

Quadrant III

Mandibular left

Quadrant IV

Mandibular right

Quadrant II

Maxillary left

A-Arch

Maxillary or mandibular

Quadrant I

Maxillary right

Proximal

Medial and distal surfaces in between teeth.

12-13

Normally, all deciduous teeth are lost by the age of

Deciduous or primary dentition

Starts to exfoliate (fall out) by age 6-7 yrs old. Are all lost by 12-13 yrs old having been replaced by permanent dentition.

Resorption

Osteoclastic cells destroy or eat up roots of primary teeth.

Lingual

Palatal-inside facing the tongue.

Central and lateral incisors Canines

Permanent teeth 4 total 2 in each arch 1 in each quadrant

Premolars

Permanent teeth 8 total 4 in each arch 2 in each quadrant

Molars

Permanent teeth 12 total 6 in each arch 3 in each quadrant

Succedaneous

Permanent teeth; they replace deciduous teeth. Pre-molars and anterior teeth. They replace primary teeth.

Posterior teeth

Premolars and molars are ____

D-Dentition

Primary or permanent

Mouth

Referred to as the oral cavity

Distal

Surface farthest away from the midline.

First molars

The ___ are usually the first permanent teeth to erupt.

First molars

The ____ erupt posterior to the deciduous second molar without replacing any deciduous teeth.

Active eruption

The emergence of a tooth from the position in occlusion.

Mandibular arch

The mandible and the mandibular teeth form an arch called ____

Maxillary arch

The maxilla and the maxillary teeth form an arch called ____

Occlusion

The relationship between the maxillary and the mandibular teeth when they meet in normal contact.

Dental anatomy

The study of the mouth and the teeth. This deals with the morphology, which is the form, shape and size of teeth.

Deciduous or primary dentition

There are NO pre molars in this set of teeth.

32 teeth

There are __ in a dentition.

20

There are __ primary teeth

Permanent dentition

Very little growth in jaw bone in this stage.

Mandibular Maxillary

____ teeth usually precede ____ teeth in their eruption.

21

all permanent teeth erupted by the age of

FMLDI

anterior teeth surfaces

6

eruption of permanent teeth start at the age of

canines or cuspids

have a sharp pointed cusp. These teeth tear and pierce food.

FMLDO

posterior teeth surfaces

6-7

primary teeth exfoliate/fall out around age of


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