DENTAL WAXES ACTUAL 2026/2027 QUESTIONS AND 100% CORRECT ANSWERS,
ALREADY GRADED A+, GUARANTEED PASS
Q1. Which of the following is the primary component of most dental waxes?
a) Paraffin
b) Beeswax
c) Carnauba wax
d) Resin
Answer: a) Paraffin
Explanation: Paraffin forms the base of most dental waxes, with modifiers added
for specific properties.
Q2. Which dental wax is used for recording maxillomandibular relations?
a) Inlay wax
b) Baseplate wax
c) Boxing wax
d) Sticky wax
Answer: b) Baseplate wax
Explanation: Baseplate wax is used for occlusion rims and jaw relation records.
Q3. Inlay wax should have which property to reproduce fine margins?
a) High flow at room temperature
b) High thermal expansion
c) Low flow at mouth temperature
d) Brittle structure
Answer: c) Low flow at mouth temperature
Explanation: Low flow at mouth temperature prevents distortion while carving
patterns.
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Q4. Boxing wax is mainly used for:
a) Impression surface correction
b) Boxing impressions for pouring casts
c) Occlusal rims
d) Temporary restorations
Answer: b) Boxing impressions for pouring casts
Explanation: It forms a container to retain stone or plaster around the impression.
Q5. Which wax is brittle at room temperature and used for pattern fabrication?
a) Inlay wax
b) Sticky wax
c) Utility wax
d) Baseplate wax
Answer: a) Inlay wax
Explanation: Inlay wax is hard and brittle, used for indirect wax patterns.
Q6. The main function of sticky wax is:
a) Boxing impressions
b) Temporarily holding components together
c) Constructing occlusal rims
d) Bite registration
Answer: b) Temporarily holding components together
Explanation: Sticky wax adheres strongly when melted and is brittle when cooled.
Q7. Utility wax is also known as:
a) Border molding wax
b) Inlay wax
c) Pattern wax
d) Corrective wax
Answer: a) Border molding wax
Explanation: Utility wax is soft, pliable, and used for border extensions in
impressions.
Q8. Which wax is added to modify hardness and gloss?
a) Beeswax
b) Paraffin
c) Carnauba wax
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d) Sticky wax
Answer: c) Carnauba wax
Explanation: Carnauba increases hardness, toughness, and surface gloss.
Q9. A major disadvantage of wax patterns is:
a) Easy to carve
b) High coefficient of thermal expansion
c) Readily available
d) Smooth surface finish
Answer: b) High coefficient of thermal expansion
Explanation: Wax patterns distort easily due to dimensional instability.
Q10. Which wax is commonly used for bite registration?
a) Boxing wax
b) Baseplate wax
c) Bite wax
d) Utility wax
Answer: c) Bite wax
Explanation: Bite wax records occlusal relationships of upper and lower teeth.
Q11. Which wax is secreted by insects and softens at body temperature?
a) Beeswax
b) Paraffin
c) Carnauba
d) Resin
Answer: a) Beeswax
Explanation: Beeswax is natural, plastic at body temperature, and improves
workability of waxes.
Q12. Flow of wax is defined as:
a) Thermal conductivity
b) Dimensional stability
c) The ability of wax to deform under its own weight
d) Coefficient of expansion
Answer: c) The ability of wax to deform under its own weight
Explanation: Flow measures the plasticity and softness of wax at different
temperatures.
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Q13. Corrective wax is mainly used in:
a) Border molding
b) Pouring casts
c) Soft tissue recording in impressions
d) Pattern fabrication
Answer: c) Soft tissue recording in impressions
Explanation: Corrective wax records functional soft tissues in impression making.
Q14. Which wax is used for repairing dentures?
a) Sticky wax
b) Inlay wax
c) Baseplate wax
d) Boxing wax
Answer: a) Sticky wax
Explanation: Sticky wax temporarily joins fractured denture parts for repair
procedures.
Q15. The property of wax most responsible for distortion is:
a) Hardness
b) Flow
c) Brittleness
d) Thermal conductivity
Answer: b) Flow
Explanation: Flow at slightly raised temperatures leads to deformation and
distortion.
Q16. What is the approximate melting range of paraffin wax used in dentistry?
a) 20–25°C
b) 37–39°C
c) 40–70°C
d) 90–100°C
Answer: c) 40–70°C
Explanation: Paraffin waxes melt over a wide range depending on chain length.
Q17. Carding wax is mainly used for:
a) Boxing
b) Orthodontic setups
c) Wax patterns