AND CORRECT DETAILED ANSWERS LATEST
UPDATES 2025/PA EFDA BOARD EXAM 2025
(VERIFIED ANSWERS) ALREADY GRADED A+
The addition of which metal to the dental alloy will reduce gamma
phase? - ANSWER-Copper
When placing a toffeelike retainer, you place the wedge from what
surface? - ANSWER-the lingual
2 metals in gamma phase - ANSWER-Mercury and Tin
An auto matrix is used for what class restoration? - ANSWER-class II
,The walls for a class II prep included the axial wall and the gingival floor
which - ANSWER-is adjacent to the gingival tissues
In a class II amalgam retentive grooves/points can be found in the
_________ point angles - ANSWER-gingival
The diagonal slot of the toffeelike should be placed toward the what for
easy removal? - ANSWER-the gingival
5 metals in amalgam - ANSWER-Silver, Copper, Mercury, Tin and Zinc
The best way to prevent overhang is? - ANSWER-proper band and
wedge placement
Marginal ridges should be carved ____ higher than the proximal teeth -
ANSWER-1mm
Copalite is an example of a what? - ANSWER-A Base
Glass Ionomers can be used as what? - ANSWER-a liner, base and an
esthetic restoration
Glass Ionomer releases what? - ANSWER-Fluoride
, The closest wall to the pulp on a class V and the wall that runs along the
axis of the pulp is called the? - ANSWER-the axial wall
Calcium Hydroxide is no longer recommended as a liner under the
entire restorative material because? - ANSWER-it has poor compressive
strength
Zinc Oxide Eugenol is indicated for what procedure? - ANSWER-sedative
temporary restoration
Walls of a class I - ANSWER-mesial, pulpal. distal, lingual, and facial
Bases and liners are placed on that wall - ANSWER-axial, pulpal walls
The junction of the walls of a cavity prep with the external surface of
the tooth is the? - ANSWER-Cavosurface
How many molars are present in the mandibular arch? - ANSWER-6
The permanent mandibular second molar differs from the permanent
mandibular first molar by number of? - ANSWER-Cusps