Anatomy and Embryology
Theories of Growth
Dental Development and Eruption
Occlusal Analysis
Cephalometrics
100
Remnants of Hertwig's epithelial root sheath persist as this.
Rests of Malassez
100
Name the two types of bone formation.
Intramembranous bone formation and endochondral bone formation.
100
What is the most favorable eruption sequence in the permanent maxillary dentition?
61245378.
100
Which type of Baume Occlusion is more ideal?
Baume Type 1.
100
What measurement in Steiner Analysis determines AP position of maxilla relative to cranial base?
SNA.
200
When dental lamina begins to development.
6th week IU
200
The maxilla develops with what type of bone formation?
Intramembranous bone formation.
200
Calcification of the first primary tooth begins at what fetal month?
4th fetal month (central incisors).
200
Distal step primary molar relationship usually results in what type of occlusion in permanent dentition?
Class II.
200
Name the 3 cephalometric planes that help determine facial growth pattern?
Mandibular plane angle, Facial plane, Facial axis.
300
A pregnant woman having a toothache should not take this for pain.
What is Tylenol.
300
Which type of bone formation has a cartilaginous precursor?
Endochondral bone formation.
300
In which dental anomaly would you see a large or bifid crown?
Fusion.
300
Mesial drift of 1st permanent molar into Leeway space after 2nd primary molar exfoliates is referred to as what?
Late Mesial Shift.
300
High mandibular plane angles are frequently associated with which type of facial growth pattern?
VERTICAL (or dolicofacial).
400
Dens evaginatus is an anomaly resulting from problems in this stage of dental development.
What is Morphodifferentiation (Anomalies of size and shape).
400
Female growth spurt starts at approximately what age?
10.5 years (within 0.5 years= accepted answer).
400
Put the following frequently missing teeth in order from most frequent to least: Third molars, Maxillary 2nd Premolars, Mandibular 2nd Premolars, and Maxillary Laterals.
1) Third molars (10-25%). 2) Mandibular 2nd Premolars (3.4%). 3) Maxillary Laterals (2.2%). 4) Maxillary 2nd Premolars (~0.85%).
400
Where is the primate space in maxillary arch? Mandibular arch?
Maxillary = mesial to maxillary primary canines. Mandibular = distal to mandibular primary canines.
400
In the DOWN analysis, a large negative angle of convexity would indicate skeletal Class I, skeletal Class II, or skeletal Class III?
Skeletal Class III.
500
The greater cornu and inferior part of the hyoid bone were absent at birth. Which of the following embryonic structures was affected? A) Maxillary prominence B) Mandibular prominence C) Second pharyngeal arch D) Third pharyngeal arch E) Fourth pharyngeal arch
D) Third pharyngeal arch.
500
Which suture is fused in Scaphocephaly?
Sagittal suture --> "boat skull"
500
Name 4 syndromes associated with supernumerary teeth.
Apert syndrome, Cleidocranial dysplasia, Gardner syndrome, Crouzon syndrome, Sturge-Weber syndrome, Orofaciodigital syndrome I, Hallermann-Strieff syndrome, Down syndrome, Cleft lip and palate.
500
Which of the following decreases most in the mixed dentition? A) Maxillary intercanine width B) Mandibular intercanine width C) Maxillary intermolar width D) Mandibular intermolar width
Mandibular intermolar width.
500
What 3 measurements make up the Tweed Analysis?
FMA, FMIA, IMPA.
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