EFDA Exam UPDATED Exam Questions and CORRECT Answers

EFDA Exam UPDATED Exam Questions
and CORRECT Answers
Contact area functions - CORRECT ANSWER - 1. Prevent food impaction
2. Stabilize the arches


Pulp Functions - CORRECT ANSWER - 1. Developmental
2. Nutrition
3. Sensory
4. Protective


Teeth with 2 buccal grooves - CORRECT ANSWER - 19 and 30
Mandibular 1st molars


Oblique ridge - CORRECT ANSWER - Ridges only on the occlusal surface of maxillary
molars.


Fossae - CORRECT ANSWER - Irregular depressions or concavities on the surface of
teeth.
-Lingual
-Central ( molars & premolars)
-Triangular


Pits - CORRECT ANSWER - Small pinpoint depressions located at the junction of
developmental grooves. Result from incomplete closure of 3 or more adjacent tooth lobes or
developmental grooves.


Axial wall - CORRECT ANSWER - -Parallel to long axis of tooth
-Adjacent to pulp

, Reasons pulp may be irritated - CORRECT ANSWER - -Caries
-Traumatic occlusion
-Effect of cutting burs
-Desiccation
-Condensation pressure
-Chemical irritation from restorative materials
-Temperature changes
-Dimensional changes
-Lack of marginal seal


Reinforcers - CORRECT ANSWER - Bases. Used to protect pulp from the pressure of
amalgam condensing.


Insulators - CORRECT ANSWER - Bases. Insulate pulp from thermal irritation. Must be a
poor thermal conductor.


-ZOE
-Zinc Phosphate
-Zinc polyacrylic (polycarboxylate)


Zinc Phosphate - CORRECT ANSWER - Insulator and reinforcer. Main ingredient
phosphoric acid. Chemically irritating to pulp. Exothermic. Cool glass slab.


Zinc Polyacrylic - CORRECT ANSWER - Polycarboxylate. Kind to pulp. Good for
cementing crowns.


Obtundents - CORRECT ANSWER - Soothe sensitive pulp or reduce irritability of it.
-ZOE, IRM