Dental Histology Word Scramble
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Question | Answer |
How many premolars are in the dentition? | 8 |
Are premolars succedaneous or nonsuccedaneous? | Succedaneous |
What are the functions of the premolars? | Assist the molars in grinding food, Assist the canines in piercing food, maintain the face structure at the labial commissure, also involved in speech. |
What makes up the occlusal table? | marginal ridges, triangular ridges, developmental grooves, and occlusal pits. |
Where is the height of contour for premolars on the buccal side? | The cervical third |
Where is the height of control for premolars on the lingual side? | middle third. |
How many roots does the max. first premolar have? | Two. |
Do all premolars of proximal root concavities? | Yes |
Why are some premolars removed? | Improve dental arch spacing |
If premolars need to be extracted what premolar gets extracted? | First premolars |
In the maxillae what premolar is larger? | First Premolar |
In the mandible what premolar is larger? | Second premolar |
What premolars erupt first? | Maxillary first premolar |
What is the proximal crown outline of the maxillary premolars? | Trapezoidal- four sided |
How many developmental lobes does the maxillary premolars have? | Four. Three buccal and one lingual. |
In the maxillary premolars where is the crown in position to the root? | Centered over the root creating zero lingual inclination |
Do the premolars have a larger buccolingual width or mesiodistal width? | Buccolingual |
How many cusps do the max. premolars have? | Two cusps |
What are some clinical considerations for the maxillary premolars? | They could potentially grow up into the maxillary sinus. |
When do the maxillary first premolars erupt? | 10-11 years |
When does the root complete on the max. first premolars? | 12-13 years |
On the maxillary first premolar what cusp is higher? | The buccal cusp. |
How many furcations does the max. first premolars have, and where are they located? | Two furcations on the mesial and distal surfaces on the root surfaces? |
How many pulp horns and pulp canals are in bifurcated premolars? | Two pulp horns and two pulp canals. |
What is the shape of the occlusal surface on the max. first premolar? | Hexagonal-six sided |
What cusp planes function during occlusion on the max. first premolar? | mesiolingual and distoliwngual. |
Which way does the central groove extend on the max. first premolar? | mesiodistally. |
On the max. first premolar the central groove connects...? | The occlusal pits, mesially pits, and distal pits. |
When does the max. second premolars erupt? | 10-12 years |
When does the root complete on the max. second premolars? | 12-14 years |
How many roots does the max. second premolar have? | One. |
How many pulp horns and pulp canal does the max. second premolars have? | Two pulp horns, one pulp canal |
Is the central groove longer or shorter on the max. second premolar or the max. first premolar? | Shorter |
Why is the max. second premolar have a more "wrinkled" appearance than the max. first premolar? | The max. second premolar has more supplemental grooves. |
Is the mand. first premolar larger or smaller than the mand. second premolar? | smaller |
Do the mand. first premolars have a lingual inclination on the proximal view? | yes. |
How many cusps are present on the mand. premolars? | Two or more. |
When do the mand. first premolars erupt? | 10-12 years |
When does the root complete on the mand. first premolars? | 12-13 years |
What cusp is the functional cusp on the mand. first premolar? | The buccal cusp. |
The lingual cusp on the mand. first premolar resembles what to a mand. canine? | Cingulum |
The roots of a mand. first premolar are, larger and longer/smaller and shorter compared to the mand. second premolar? | smaller and shorter |
How many pulp horns and pulp canals are present in the mand. first premolar? | Two pulp horns, one pulp canal. |
What does the term "snake eyes" refer to on the mand. first premolars? | Class I amalgam restorations that fill the mesial and distal occlusal pits. |
When does the mand. second premolars erupt? | 11-12 years |
When does the root complete on the mand. second premolars? | 13-14 years |
What cusp types are there for the mand. second premolars? | Two cusp and three cusp |
How common is three cusp type on the mand. second premolars? | 55% |
How common is two cusp type on the mand. second premolars? | 45% |
How many developmental lopes does a mand. second premolar THREE cusp type have? | 5 developmental lopes, three buccal two lingual. |
What is the shape of the apex for the mand. second premolars? | blunt apex. |
How many pulps horns does the three cusp have and two cusp? | Three cusp=three pulp horns, two cusp=two pulp horns. |
What is the most common shape of the three cusp crown? | Square. |
What shape does the central groove from on the three cusp type? | Y shape |
What shape does the central groove form on the two cusp type? | H shape. |
Created by:
Strobelight95
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