dental anatomy test 1
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