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35 Cards in this Set

  • Front
  • Back
What are three methods for studying growth (besides taking this class)?
Vital staining
Metallic implants
Radiography
What two processes take place in growing bone?
Resorption
Deposition
What are the two dyes used in vital staining?
Alizarin red
Trypan blue

A. red is lost on decalcification
Which antibiotic, responsible for clinical aesthetic complaints, can be used to study growth?
Tetracycline - intrinsic staining
What is a major potential problem with some vital staining methods (Pb acetate, Radioactive isotopes, etc.)
Toxicity
In terms of growth, metallic implants behave like what?
Ankylosed teeth
What is a non-cranial indicator of physiologic maturity?
Hand-wrist radiographs,
sesamoid bone appears at menarche
Cross-sectional data lacks __
time:

No chronological component
Study of facial growth using human skulls is called __
Craniometry

half-credit for Zombie invasion
Anthropometry has what key advantages?
Directly measures the living using calipers
Includes soft tissues
Longitudinal data
How does longitudinal data differ from cross-sectional data?
Reflects changes over time
Which type of craniofacial assessment is both longitudinal and cross-sectional?
Cephalometry;
2-dimensional, precision, standardized method of studying growth of living patients
Technology has allowed for an advanced method of craniofacial assessment. What is it called? What is the main disadvantage?
Cone Beam Computed Tomography - (CBCT)

¡Es muy espensivo!
Cross-sectional data is:
Longitudinal data:
Easier to compare
Takes time!
Who are the "dead guys" associated with Cephalometric radiographic?
Paccini (1922)
Broadbent & Hofrath (1931)

Primarily a research tool at the time.
The "planes" develop in what order?
Transverse → Saggital → Vertical
At what age might we expect a clinically observable cross-bite?
Age 8!

May be predicted as early as 6 radiographically.
Overjet and Occlusion are __ dentofacial relationships.

Overbite is a __ relationship.
Saggital
Vertical
In dental shorthand (charting style), what is a Class II occlusion?
Class III?
II: Max MB cusp M to Mand MB groove

III: Max MB cusp D to Mand MB groove

Defined as 3/30 or 14/19 (1st molars)
In class II, overjet is (+/-)
In class III, overjet is (+/-)
Class II: + overjet
Class III: - overjet
What determines whether Ortho alone can treat a malocclusion?
Whether Max/Mand is at fault.
Whether it is hyper/hypoplastic.
Blacks have a propensity towards which class: II or III?
Class III
Koreans and Japanese also have this propensity
Whites with malocclusion are more commonly which class?
Class II
When using Cephalometry it is important to distinguish __ from __ changes.
Treatment/Growth...

Patient might look great, but your fancy treatment had nothing to do with it! ;-)
What are the standard colors of cephalometric overlays, and what do they represent?
Black - Prior to Tx
Blue - Progress records
Red - End of Tx
Green - Recall/Retention
Which number represents the Sella Turcica?
28
What structure is #13?
Mandibular canal
Where is the pterygomaxillary fissure?
24
Which two landmarks are the least likely to change?
4 - Superior border of condylar fossa

11 - External Auditory Meatus
Name the structures:
2 -
3 -
8 -
2 - Frontal process of zygomatic bone
3 - Temporal process of zygomatic bone
8 - Zygomatic process of temporal bone
The Frankfort plane uses which two landmarks?
Porion (Po) → Inferior Orbit (Or)
The palatal plane runs through which two landmarks?
PNS → ANS

Posterior → Anterior Nasal Spine
The bony chin is called the
Pogonion
The soft tissue chin is called the
"spog"

(Soft Pogonion)
The E-line runs through which structures?
Prn → spog