3. Growth of the Maxilla, Mandible, and Cranium

Question 1

2

What are the four sites of growth in the craniofacial complex?

Question 1

2

What covers the upper and outer surface of the brain?

Question 2

2

What is the cranial base?

Question 3

3

What is endochondral growth?

Question 4

4

What is the cranial vault made of?

Question 5

What is intramembranous growth?

Question 6

4

The flat bones of the cranial vault are formed by what type of growth?

Question 7

4

Are there any cartilaginous growth precursors of the cranial vault?

Question 8

4

Where does remodeling and growth of the cranial vault occur?

Question 9

5

After birth, apposition bone in what location eliminates the open space in the cranial vault?

Question 10

5

When do the cranial vault sutures eventually fuse?

Question 11

5

Where does the majority of growth of the cranial vault occur?

Question 12

5

What is the minor contributior of growth of the cranial vault?

Question 13

6

What four bones compose the cranial base?

Question 14

6

What type of growth forms the bones of the cranial base?

Question 15

6

When do centers of ossification of the cranial base appear?

Question 16

6

Ossification of the cranial base continues until bands of cartilage called what remain?

Question 17

6

What do synchondrosis of the cranial base function as?

Question 18

7

What type of growth does the maxilla develop via?

Question 19

7

Growth of the maxilla occurs by apposition of bone where?

Question 20

7

What role do the surface changes play in the growth of the maxilla?

Question 21

7

The maxilla is moved forward by the growth of what behind it?

Question 22

7

How far must the maxilla move to get out from under the cranium?

Question 23

8

The “push forward” by the cranial base is important in the forward growth of the maxilla until what age?

Question 24

8

Failure of the cranial base to lengthen properly can cause what?

Question 25

8

At what age does the cranial base stop growth and further downward and forward growth of the maxilla is purely a result of sutural growth?

Question 26

8

At what age does the mid-palatal suture close?

Question 27

8

The maxilla becomes longer as a result of what?

Question 28

9

The overall growth changes of the maxilla are the result of what two things?

Question 29

9

Remodeling of the palatal vault moves in what direction as it is being translated?

Question 30

9

Bone is removed from where and where is it added in the formation of the palatal vault?

Question 31

9

As the palatal vault moves down, it also widens. What is the term for this?

Question 32

10

When is the growth of the nasal bone complete?

Question 33

10

After age 10, further nose growth is the result of what?

Question 34

10

When does the nose become much more prominent?

Question 35

11

What type of tissue starts the growth of the mandible?

Question 36

11

What type of growth forms the mandible initially?

Question 37

11

What are the two methods of growth that are important for the mandible?

Question 38

11

Does displacement created by the cranial base growth that moves the TMJ contribute to any movement of the mandible?

Question 39

12

What covers the surface of the mandibular condyle?

Question 40

12

Is the cartilage that covers the surface of the mandibular condyle the same or different from that found in the epiphyseal plate of a long bone?

Question 41

13

Apart from the mandibular condyle, all other areas of the mandible are formed by what type of growth?

Question 42

14

What is the accurate global understanding of mandibular growth?

Question 43

15

As the mandible grows in length, what does the ramus do?

Question 44

15

Growth of the mandible occurs by apposition of bone on the ________ of the ramus, while large quantities of bone are removed from the ______ of the ramus.

Question 45

15

The body of the mandible grows longer as the ramus moves _____ from the chin.

Question 46

15

In infancy, the ramus is located at the spot where which tooth will erupt?

Question 47

15

Progressive posterior remodeling creates space for what tooth?

Question 48

16

Does jaw growth generally follow the growth curve of the overall body growth?

Question 49

16

In timing of orthodontic treatment to coincide with periods of maximum jaw growth velocity, there is a tendency to treat females _____ and males _____.

Question 50

17

What is the order for both the maxill and mandible predictable sequence of growth completion? (3)

Question 51

17

When are width of both jaws and width of the dental arches completed?

Question 52

17

At what age is the anterior-posterior length of the maxilla and mandible complete in females vs. males?

Question 53

17

Sometimes, the vertical height of the maxilla and mandible are not complete in males until what age?

Question 54

18

Does facial growth completely end in the late teens or twenties?

Question 55

18

Is the basal level of width growth fast or slow?

Question 56

What growth of the maxilla, mandible, and cranium is most noticeable throughout the life?