EFDA OHIO BOARD FINAL EXAM STUDY GUIDE
2026 COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED
PASS <RECENT VERSION>
1. At the occlusal and incisal surface - ANSWER ✔ In which area on the tooth
is the enamel thickest
2. Which tissue provides the defense and developmental functions of a tooth -
ANSWER ✔ Pulp
3. Rounded borders of enamel which form the mesial and distal of the occlusal
surface on posterior teeth, or mesial and distal of the lingual surface on
interior teeth are named........ - ANSWER ✔ Marginal ridges
4. Name the surface at the base of a classI cavity preparation - ANSWER ✔
Pulpal floor
5. Which tooth has the longest root in the mouth? - ANSWER ✔ Maxillary
cuspid/canine
,6. If present, the cusp of Carabelli is located on, which molar - ANSWER ✔
ML cusp area of the maxillary, first molar
7. The fossa found in the central portion of a molar is named the
____________ fossa? - ANSWER ✔ Central
8. Where is the cavosurface margin located? - ANSWER ✔ At the junction of
the cavity wall and the unprepared tooth structure
9. What is the function of a matrix band? - ANSWER ✔ act as a temporary
wall in restoring the contour and contact areas
10.Intercuspal position, maximum intercuspation, and centric occlusion are ll
terms for how teeth fit together in occlusion? - ANSWER ✔ True
11.What cusps are considered to be working cusps? - ANSWER ✔ Linguals of
maxillary molars
Buccals of mandibular molars
12.Green stones are used to finish a amalgam by removing __________ -
ANSWER ✔ Bulky or excess amalgam
13.What type of rotary instrument is used to remove a submarginal area
<.02mm? (Amalgam) - ANSWER ✔ White stone
,14.What is the purpose of inorganic fillers in composite? - ANSWER ✔
increase strength
15.What makes up the organic resin matrix in composite ? - ANSWER ✔ BIS-
GMA
16.Name Materials that are predecessors to composite. - ANSWER ✔ Silicate
cement
Porcelain
Infilled acrylic resin
17.What size fillers do hybrid type composite container? - ANSWER ✔ Small
and large
18.conventional type composite has larger hard filler particles, making it more
susceptible to ___________ - ANSWER ✔ Staining
19.What agent is used in topical anesthetic? - ANSWER ✔ Benzocaine
20.How long should topical anesthetic be placed for more profound soft tissue
analgesia? - ANSWER ✔ 60 to 90 seconds
21.Dry angles are an effective way to control saliva secretions from - ANSWER
✔ stensen's duct
, 22.what type of ZOE lacks strength and long-term durability? - ANSWER ✔
type I (temporary cement)
23.This type of cement is a hybrid of silicate and polycarboxilate cement -
ANSWER ✔ glass ionomer
24.what material is supplied as a paste/paste system and also in cartridges? -
ANSWER ✔ polyether
25.What does the term elastomeric mean? - ANSWER ✔ having elastic or
rubber-like qualities
26.an alginate absorbing excess water is termed what? - ANSWER ✔
imbibition
27.what is a final impression used for? - ANSWER ✔ an accurate reproduction
of teeth and surrounding tissue
28.what is the negative reproduction of dental arches and surrounding tissues? -
ANSWER ✔ impression
29.at what point in a procedure is a mylar matrix placed? - ANSWER ✔ before
etching
2026 COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED
PASS <RECENT VERSION>
1. At the occlusal and incisal surface - ANSWER ✔ In which area on the tooth
is the enamel thickest
2. Which tissue provides the defense and developmental functions of a tooth -
ANSWER ✔ Pulp
3. Rounded borders of enamel which form the mesial and distal of the occlusal
surface on posterior teeth, or mesial and distal of the lingual surface on
interior teeth are named........ - ANSWER ✔ Marginal ridges
4. Name the surface at the base of a classI cavity preparation - ANSWER ✔
Pulpal floor
5. Which tooth has the longest root in the mouth? - ANSWER ✔ Maxillary
cuspid/canine
,6. If present, the cusp of Carabelli is located on, which molar - ANSWER ✔
ML cusp area of the maxillary, first molar
7. The fossa found in the central portion of a molar is named the
____________ fossa? - ANSWER ✔ Central
8. Where is the cavosurface margin located? - ANSWER ✔ At the junction of
the cavity wall and the unprepared tooth structure
9. What is the function of a matrix band? - ANSWER ✔ act as a temporary
wall in restoring the contour and contact areas
10.Intercuspal position, maximum intercuspation, and centric occlusion are ll
terms for how teeth fit together in occlusion? - ANSWER ✔ True
11.What cusps are considered to be working cusps? - ANSWER ✔ Linguals of
maxillary molars
Buccals of mandibular molars
12.Green stones are used to finish a amalgam by removing __________ -
ANSWER ✔ Bulky or excess amalgam
13.What type of rotary instrument is used to remove a submarginal area
<.02mm? (Amalgam) - ANSWER ✔ White stone
,14.What is the purpose of inorganic fillers in composite? - ANSWER ✔
increase strength
15.What makes up the organic resin matrix in composite ? - ANSWER ✔ BIS-
GMA
16.Name Materials that are predecessors to composite. - ANSWER ✔ Silicate
cement
Porcelain
Infilled acrylic resin
17.What size fillers do hybrid type composite container? - ANSWER ✔ Small
and large
18.conventional type composite has larger hard filler particles, making it more
susceptible to ___________ - ANSWER ✔ Staining
19.What agent is used in topical anesthetic? - ANSWER ✔ Benzocaine
20.How long should topical anesthetic be placed for more profound soft tissue
analgesia? - ANSWER ✔ 60 to 90 seconds
21.Dry angles are an effective way to control saliva secretions from - ANSWER
✔ stensen's duct
, 22.what type of ZOE lacks strength and long-term durability? - ANSWER ✔
type I (temporary cement)
23.This type of cement is a hybrid of silicate and polycarboxilate cement -
ANSWER ✔ glass ionomer
24.what material is supplied as a paste/paste system and also in cartridges? -
ANSWER ✔ polyether
25.What does the term elastomeric mean? - ANSWER ✔ having elastic or
rubber-like qualities
26.an alginate absorbing excess water is termed what? - ANSWER ✔
imbibition
27.what is a final impression used for? - ANSWER ✔ an accurate reproduction
of teeth and surrounding tissue
28.what is the negative reproduction of dental arches and surrounding tissues? -
ANSWER ✔ impression
29.at what point in a procedure is a mylar matrix placed? - ANSWER ✔ before
etching
