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Exam (elaborations)

ORD 722- Exam 1 Questions with Answers (All Answers Correct)

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  • Course
  • ORD 722
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  • ORD 722

*A child who falls outside of the range of top _____% or bottom ____% of the population on a standard growth chart should receive special study. - ️️97, 3 With a standard growth chart, variability of growth is expressed _____________. - ️️quantitatively -Deviations from the average Gro...

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  • October 12, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ORD 722
  • ORD 722
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ACADEMICMATERIALS
ORD 722- Exam 1
*A child who falls outside of the range of top _____% or bottom ____% of the population
on a standard growth chart should receive special study. - ✔️✔️97, 3

With a standard growth chart, variability of growth is expressed _____________. -
✔️✔️quantitatively
-Deviations from the average

Growth is: - ✔️✔️increase in size or number

Predictability of growth is when: - ✔️✔️patterns "repeat"

Development is: - ✔️✔️Increase in complexity

Facial form is the proportion between: - ✔️✔️facial width and facial length

Brachyfacial - ✔️✔️broad facial form

Mesofacial - ✔️✔️average facial form

Dolichofacial - ✔️✔️long facial form

Variability of growth - ✔️✔️not everyone is alike in the way they grow
(variation is normal within limits)


T or F? Variation is normal, within limits - ✔️✔️True

A child's growth should plot along the same _________________ ______________ at
all ages. - ✔️✔️percentile line

(If the growth line deviates, suspect growth abnormality (ie. illness))

Girls start their spurt of growth at puberty, around age ____. - ✔️✔️11

Boys start their spurt of growth at puberty, around age ____. - ✔️✔️13

Cephalocaudal gradient of growth - ✔️✔️Normal growth pattern, this means that there
is an axis of increased growth extending from the head toward the feet.

Cephalocaudal gradient of growth within the head and neck - ✔️✔️Mandible farther
away from brain= more caudal than maxilla

, the mandible tends to grow ______ and _____ than the maxilla - ✔️✔️more, later

*Scammon's growth curve demonstrates that - ✔️✔️not all tissue systems of the body
grow at the same rate

Growth of neural tissues is nearly complete by _______ years of age - ✔️✔️6-7

Growth of general body tissues (Muscle, bone, viscera) follows a _____ curve. -
✔️✔️S-shaped

(after when young, plateaus around age 5, then faster with age again)

Methods for studying physical growth - ✔️✔️1. Measurement-(no harm)

2. Experimental approach-(growth manipulated, possibly destructive, non-human
testing)

Measurement of growth approaches: - ✔️✔️Cephalometric radiology

-used in ortho eval and growth study
-requires precise head orientation and magnification control

Analysis of cephalometric images requires - ✔️✔️-measurements of dental and
skeletal positions
-superimpositions

Superimpositions of cephalometric images measures - ✔️✔️longitudinal changes

ex.) cranial base superimposition of cephalometric tracing at two time points on sella-
nasion line

Cephalometric radiology - ✔️✔️-direct measurement of skeletal dimensions
-growth change in same individual over time can be measured

cephalometric radiology with implants experiment - ✔️✔️Arne Bjork- Royal Dental
College Copenhagen

-inserted titanium metal pins into facial bones and superimposed images based on
implant markers

-Increased accuracy of cephlaometric analysis (pins don't move over time)

*Experimental growth measurement appraoach: Vital Staining - ✔️✔️-Anatomist John
Hunter, 18th century

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