EFDA Hottel – Chapter 4: Bases and Liners Questions And Answers 2025|2026 Verified Graded A+ Already Passed!

EFDA Hottel – Chapter 4: Bases and
Liners Questions And Answers
2025|2026 Verified Graded A+ Already
Passed!
Near pulpal exposure - CORRECT ANSWER-very deep cavity preps close
to pulp
-pulp may be seen through dentin
-calcium hydroxide needed to stimulate secondary dentin formation
-insulator/reinforcer needed to protect pulp from thermal, chemical
and physical pressure




Pulpal exposure - CORRECT ANSWER--may need endodontic tx
-*all blood has to clot before calcium hydroxide placement*
-glass ionomer or zinc eugenol can be used as temporary




criteria for cavity varnish - CORRECT ANSWER-1.apply to dentin, walls
and cavosurface margin

, 2.no pooling or thick ridges
3. place calcium hydroxide and bases before brushing on varnish




criteria for calcium hydroxide placement - CORRECT ANSWER-thickness
between 0.25-0.5( any more and it may fail)
located in deepest portion of prep
doesnt touch cavosurface
doesnt fill retention areas




Glass Ionomer - CORRECT ANSWER-Bonds to dentin, enamel,
cementum and stainless steel
releases FL
bonds chemically to dentin and enamel
not mixed on a cool glass slab




advantages of glass ionomer - CORRECT ANSWER-releases FL
bondibility to tooth structure
some resistance to abrasion