MF GROWTH

Question 1

Sutural growth + endochondral growth + remodeling

Answer 1

Neurocranium and midface

Question 2

Neurocranium growth completed by ___________.

Answer 2

7 years old

Question 3

Functional matrix theory

Answer 3

Soft tissue stimulate facial growth

Question 4

Growth hormone affects _________ more.

Answer 4

Mandible (more than maxilla)

Question 5

____% of growth in girls is completed by menarche

Answer 5

80%

Question 6

True/False
During puberty, the vertical condyle grows more than the vertical sum of the upper/lower first molars extrusion

Answer 6

True

Question 7

The angle of the mandible to SN _________ with growth.

Answer 7

Decreases

Question 8

________ growth continues throughout life.

Answer 8

Vertical

Question 9

Not normal type of growth of cranium

Answer 9

Synostoses (fusion of sutures)

Question 10

When you see peak height velocity occurring, how many years of growth do you typically have remaining?

Answer 10

2 years

Question 11

At what stage has peak mandibular growth already occurred?

Answer 11

CVMS 3

Question 12

Most important landmark in hand/wrist?

Answer 12

Sesamoid (2 years of growth left)

Question 13

__________ gives rise to oral cavity.

Answer 13

Stomodeum

Question 14

What gives rise to medial nasal process, lateral nasal process, intermaxillary segment, nasal placodes, and nasal pits

Answer 14

Frontonasal process (develops from ectodermal tissue and neural crest cells)

Question 15

The __________ segment forms when the two medial nasal processes fuse. This will include the primary palate, the incisors, and nasal septum.

Answer 15

Intermaxillary segment

Question 16

___________ forms philtrum, primary palate, and premaxilla.

Answer 16

Medial nasal process

Question 17

___________ forms the ala of the nose.

Answer 17

Lateral nasal process

Question 18

When the ___________ and __________ fuse, it forms the upper lip and anterior alveolus.
Failure to fuse causes ____________.

Answer 18

• Maxillary processes + medial nasal process
• Cleft lip

Question 19

The secondary palate, the portion posterior to the incisive foramen, forms through the fusion of paired outgrowths of the ____________, the palatal shelves. Failure to fuse causes _____________.

Answer 19

• Maxillary prominences
• Cleft palate

Question 20

___________ forms during the 6th week from the median nasal process and maxillary process - cleft lip

Answer 20

Primary palate

Question 21

Maxillary process: secondary palatal shelves (______ weeks) - cleft palate

Answer 21

8-10th

Question 22

Timing of intersphenoidal?

Answer 22

Birth

Question 23

Timing of interoccipital?

Answer 23

3-5 (years?)

Question 24

Timing of anterior/posterior cranial base?

Answer 24

4-5 years

Question 25

Timing of sphenoethmoidal?

Answer 25

Fuses 7-8 years old

Question 26

Timing of Frontoethmoidal?

Answer 26

12-14?? NOT 7-8 yo

Question 27

Timing of spheno-occipital?

Answer 27

15-20 (starts at 12)

Question 28

__________ (growth CENTER): epiphysis, synchondrosis, nasal septum, ethmoid, sphenoid

Answer 28

Primary cartilage

Question 29

___________ (growth SITE): condyle*, coronoid, midpalatal suture???

Answer 29

Secondary cartilage

Question 30

Period of most somatic growth

Answer 30

Conception to birth

Question 31

Development of mandible

Answer 31

**Intramembranous** growth lateral to meckel’s cartilage

Question 32

Cranial base growth

Answer 32

Cartilaginous growth of the syncondrosis (enchondrosis)

Question 33

Mandible symphysis fuses __________.

Answer 33

6-9 months (before 1 year)

Question 34

Chin: deposition on _____________ (why we use internal anatomy of symphysis for superimpositions) DON’T see change on the anterior facial surface. Deposition on posterior and inferior symphysis. Posterior outer border.

Answer 34

- External lingual surface of symphysis

Question 35

Maxilla: - Apposition? - Resorption? - 3/5th apposition of _______ floor and 2/5th resorption of ________ floor

Answer 35

- Apposition: palatal (inferior) and posterior, A point - Resorption: superior (nasal side), anterior - Orbital, Nasal

Question 36

Growth of cranial vault?

Answer 36

Intramembranous and remodeling

Question 37

Growth of cranial base

Answer 37

Endochondral growth and bony replacement at the synchondroses

Question 38

True/False - Synchondroses: growth is unidirectional

Answer 38

FALSE

Question 39

Growth of maxilla

Answer 39

Intramembranous and remodeling; deposition does NOT occur anterior and superior

Question 40

Growth of mandible

Answer 40

Endochondral and remodeling; deposition external lingual symphysis

Question 41

Mixed

Answer 41

MMOTS: Malleus, Mandible, Occipital, Temporal, Sphenoid

Question 42

Endochondral only

Answer 42

SHICIE: Stapes, hyoid, inferior concha, incus, ethmoid

Question 43

Maxilla and mandible achieve highest growth rate ________ height.

Answer 43

AFTER

Question 44

Peak height velocity: _____ for girls, _____ for boys.

Answer 44

12, 14

Question 45

______ relationship between lymphoid tissue and somatic tissue.

Answer 45

Inverse

Question 46

Fusion of spheno-occipital synchondrosis marks the ________.

Answer 46

End of cranial base growth

Question 47

Bjork’s implant study: _________ is most stable structure during growth

Answer 47

Zygomatic process

Question 48

Bjork’s implant study: maxillary _______ rotation

Answer 48

forward

Question 49

Bjork’s implant study: shows significant _______ of maxillary and mandibular molars

Answer 49

mesialization

Question 50

Bjork’s implant study: _____ and _____ growth of the condyle.

Answer 50

Upward and forward

Question 51

Bjork’s implant study: Mandibular _______ rotation

Answer 51

forward

Question 52

Bjork’s implant study: bone apposition on the _______ of the ramus and resorption on the _______.

Answer 52

posterior, anterior (that’s how you get the 6s in place)

Question 53

Bjork’s implant study: _______ bone is compensated for orbit growth

Answer 53

Frontal