Sorularke Flashcards

1
Q

What is maxilla, what is mandible?

A

The maxilla is the upper jaw and the mandibula is the lower. Maxillary is stationary. Mandibula is moveable.

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1
Q

When do permanent teeth erupt and when do the eruption stop.

A

Permanent teeth at 6 and it stops around 17-21.

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2
Q

The shapes of dental arches.

A

Primary: Both semicircular
Permanent:
Upper is semi-elliptical.
Downer is parabolic

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3
Q

What is deciduous?

A

The primary teeth. The teeth before the eruption.

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4
Q

What is succedaneous?

What is non-succedaneous?

A

1-The teeth that will erupt and take the place of primary teeth.
2- The teeth which are not replaced by another kind of teeth. Permanent molars.

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5
Q

Main parts of the root:

A

Crown
Root
Separated by cervical line.

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6
Q

What is proximal surface?

A

Mesial Distal

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7
Q

5 Grades Of Attrition:

A

1- Enamel wears down.
2- Dentin is exposed in the cusps in incisal edges.
3- Dentin is exposed in occlusal surfaces surrounded by enamel.
4- The process reaches pulp chambers and pulp chamber can maybe get inflamed.
5- The tooth wears down to intergingival margin.

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8
Q

Where can we see attrition?

A

In the palatal surface of the upper teeth and the facial surfcase of lower teeth.

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8
Q

Where can we see attrition?

A

In the palatal surface of the upper teeth and the facial surfcase of lower teeth.

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9
Q

What causes abrasion?

A

Mechanical proccesses. Overbrushing, flossing, use of toothpicks. Working in a polluted area.

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10
Q

Which teeth abrasion affects the most

A

Canines, premolars, the buccal surface of upper first molars.

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10
Q

Which teeth abrasion affects the most

A

Canines, premolars, the buccal surface of upper first molars.

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11
Q

Which surfaces erosion affect the most?

A

Occlusional and palatal.

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12
Q

Enamel made by

A

ameloblast.

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13
Q

Dentine made by

A

odontoblast.

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14
Q

Tooth identifiers- crown

A
1- Angular characteristics, distoincisal edge mesioincisial edge
2- Curvature of the cervical line
3- Arch characteristics
Mesiovestubular distovestubular
4- Cervical contour
5- Inclination of the cusps.
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15
Q

3 main parts of the mandible

A

Ramus, angle and body

15
Q

What is the middle ridge in the mandible?

A

Mandibular symphysis. Which marks the line where two bones were united in the early life.

16
Q

What is mandibular protuberance?

A

It is the division of the middle ridge inferiorly. It forms

the mental tubercule in each side.

16
Q

Explain the alveolar process of the mandible.

A

The alveolar process exists in the superior part of the body of the mandible which houses the teeth. The teeth have a specialized kind of fibers joint which is called gomphosis. It joins the root of the teeth and the socket of the bone either in the maxilla or mandibula.

17
Q

What is mandibular foramen.

A

The mandibular foramen are the visible holes in mandible. It is found in the lower border of the alveolar part and the upper border of the base part. It is between two premolars. The inferior alveolar nerve and lingual nerve pass through it. The nerves sit in the mylohyoid groove.

18
Q

What structure is on the Inner surface of the mental region

A

Superior mental spine and inferior mental spine

18
Q

What structure is on the Inner surface of the mental region

A

Superior mental spine and inferior mental spine

19
Q

Definition of maxilla.

A

The maxilla is the upper jaw which is found between the orbit and the upper teeth. The maxilla comes up from the union of the two bones which are called maxillae.

20
Q

Two maxillae unite to make maxilla and

A

Intermaxillary suture

21
Q

What is the border of the maxilla?

A

Superiorly, the orbit.
Inferiorly, the alveolar process and makes up the upper teeth.
Medially, it articulates with the frontal bone.
Laterally, the zygomatic process articulates with zygomatic bones which are cheekbones.

22
Q

What is the border of the maxilla?

A

: Superiorly, each maxillae contribute to the inferior and medial rims of the orbit.
Laterally, the zygomatic process of each maxillae articulates with the zygomatic bone.
Medially, the frontal process of each maxillae articulates with the frontal bone.
Inferiorly, each maxillae ends as the alveolar process, which contains the teeth and forms the upper jaw.

23
Q

4 processes of maxilla

A

Palatal alveolar zygomatic frontal

23
Q

4 processes of maxilla

A

Palatal alveolar zygomatic frontal

24
Q

What is behind the body of maxilla

A

Maxillary sinus.

25
Q

Lacrimal bone is

A

the bone which protects the lacrimal glands which produce tears.

26
Q

Infraorbital foramen and infraorbital nerve is…

A

The infraorbital foramen is the hole below the inferior rim of the orbit. The infraorbital nerve passes through it.

27
Q

The hole in the palate is…

A

incisive foramen.

28
Q

Where do saliva glands sit in the mandible?

A

Inner part sublingual fossa.

29
Q

What is the mylohyoid line?

A

It is the line next to sublingual fossa and It connects to the mylohyoid muscle

30
Q

What are the two cells bud consists of in the bud stage of crown development?

A

Low columnar and central polygonal cells.

30
Q

What are the two cells bud consists of in the bud stage of crown development?

A

Low columnar and central polygonal cells.

31
Q

How does cap shape form?

A

The tooth bud has differential proliferation. That means different parts of the bud grow at different rates. The peripheral part grows more rapidly than the central part. Invagination forms and leads to the formation of the cap shape.

31
Q

How does cap shape form?

A

The tooth bud has differential proliferation. That means different parts of the bud grow at different rates. The peripheral part grows more rapidly than the central part. Invagination forms which leads to the formation of the cap shape.

32
Q

Which cells does the cap stage consist of?

A

Inner enamel epithelium (low columnar cells which locate in the depression), Outer enamel epithelium(cuboidal cells which are located in the sides of the cap which are outside, and the stellate reticulum. Stellate reticulum cells secrete glycosaminoglycan which attracts water molecules and the water molecules transform them into a star shape.

32
Q

Which cells does the cap stage consist of?

A

Inner enamel epithelium (low columnar cells which locate in the depression), Outer enamel epithelium(cuboidal cells which are located in the sides of the cap which are outside, and the stellate reticulum. Stellate reticulum cells secrete glycosaminoglycan which attracts water molecules and the water molecules transform them into a star shape.

33
Q

Define enamel knots.

A

Enamel knots are non-dividing cells signaling cells that are located in the enamel organ and they determine the number and the locations of the cusps by their number and their location characteristics.

34
Q

The dense condensation of mesenchymal cells under the cap is called

A

The dental papilla