# Dental Materials with Solved Answers & 2026 Past Papers (Page 26) | TestPrep

> Practice verified Dental Materials with answers, detailed explanations, and 2026 past papers syllabus for FPSC, PPSC, NTS, CSS, and PMS exams in Pakistan.

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Official 2026 Examination Syllabus Verified Answers

# Dental Materials Solved MCQs

Showing 501 – 520 of **625** verified multiple choice questions with explanations and past paper analysis.

- [Take Dental Materials Quiz](https://test-prep.blog/quiz/smart?category=dental-materials)

Q501 NTS / FPSC / PPSC

- [### What is the minimum thickness of the elastomeric impression material for an accurate impression _____ ?](https://test-prep.blog/mcq/what-is-the-minimum-thickness-of-the-elastomeric-impression-material-for-an-accu-c2b8f088-1b65-4605-aeb0-8cd81ed437c1)
A. 2 mm B. 2-4 mm C. Greater than 3 mm D. Maximum in the area of operation

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/what-is-the-minimum-thickness-of-the-elastomeric-impression-material-for-an-accu-c2b8f088-1b65-4605-aeb0-8cd81ed437c1)

Q502 NTS / FPSC / PPSC

- [### The relative hardness of elastomere is determined using _____ ?](https://test-prep.blog/mcq/the-relative-hardness-of-elastomere-is-determined-using-86e0dd16-8496-4f25-a6f1-db35766c3c51)
A. Rockwell tester B. Barcol indenter C. Knoop pyramid D. Shore durometer

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/the-relative-hardness-of-elastomere-is-determined-using-86e0dd16-8496-4f25-a6f1-db35766c3c51)

Q503 NTS / FPSC / PPSC

- [### Rough surface of elastomeric impression results from _____ ?](https://test-prep.blog/mcq/rough-surface-of-elastomeric-impression-results-from-1abc6cd5-0719-4bb8-b09c-dc38a020c35c)
A. Inadequate mixing B. Air bubbles C. Too rapid polymerization D. Incomplete polymerization caused by premature removal from mouth

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/rough-surface-of-elastomeric-impression-results-from-1abc6cd5-0719-4bb8-b09c-dc38a020c35c)

Q504 NTS / FPSC / PPSC

- [### Most rigid elastomer is _____ ?](https://test-prep.blog/mcq/most-rigid-elastomer-is-a33caa34-fefd-4c57-9455-9523011d94f5)
A. Polyether B. Polysulphide C. Addition silicone D. Condensation silicone

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/most-rigid-elastomer-is-a33caa34-fefd-4c57-9455-9523011d94f5)

Q505 NTS / FPSC / PPSC

- [### Most ideally elastic among the following _____ ?](https://test-prep.blog/mcq/most-ideally-elastic-among-the-following-6e270b34-0ae9-44fb-98a2-18a9838bc384)
A. Polyether B. Addition silicone C. Polysulphide D. Condensation silicone

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/most-ideally-elastic-among-the-following-6e270b34-0ae9-44fb-98a2-18a9838bc384)

Q506 NTS / FPSC / PPSC

- [### Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid _____ ?](https://test-prep.blog/mcq/which-one-of-the-following-impression-materials-is-elastic-sets-by-a-chemical-re-8f0f733f-0d64-4545-af46-d613dbef8165)
A. Condensation silicone B. Polyether C. Polysulfide D. Poly vinyl siloxane

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/which-one-of-the-following-impression-materials-is-elastic-sets-by-a-chemical-re-8f0f733f-0d64-4545-af46-d613dbef8165)

Q507 NTS / FPSC / PPSC

- [### Which of the following best describes the working time of elastomeric impression material ?](https://test-prep.blog/mcq/which-of-the-following-best-describes-the-working-time-of-elastomeric-impression-6edab98f-ec75-4aeb-b5be-5f737d394aae)
A. After the start of appearing elastic properties of impression material B. Just after the start of appearing elastic properties of impression material C. Just before the start of appearing elastic properties of impression material D. Loss of luster of impression material

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/which-of-the-following-best-describes-the-working-time-of-elastomeric-impression-6edab98f-ec75-4aeb-b5be-5f737d394aae)

Q508 NTS / FPSC / PPSC

- [### Final product in alginate is _____ ?](https://test-prep.blog/mcq/final-product-in-alginate-is-56414bb8-66de-48a4-b1bd-f14979472fae)
A. Sodium alginate B. Potassium alginate C. Trisodium phosphate D. Calcium alginate

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/final-product-in-alginate-is-56414bb8-66de-48a4-b1bd-f14979472fae)

Q509 NTS / FPSC / PPSC

- [### Dustless alginate is produced by _____ ?](https://test-prep.blog/mcq/dustless-alginate-is-produced-by-e2971eb1-b54e-47ab-83bb-a517e7a6ef7d)
A. Reducing the diatomaceous earth B. Adding heavy metal salts C. Coating with dihydric alcohol D. Altering the matrix

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/dustless-alginate-is-produced-by-e2971eb1-b54e-47ab-83bb-a517e7a6ef7d)

Q510 NTS / FPSC / PPSC

- [### Two in one stage impression materials include _____ ?](https://test-prep.blog/mcq/two-in-one-stage-impression-materials-include-1d8118ea-7535-44c6-8772-9c6e0479a5bc)
A. Zinc Oxide eugenol impression paste B. Hydrocolloid impression material C. Elastomeric impression material D. All of the above

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/two-in-one-stage-impression-materials-include-1d8118ea-7535-44c6-8772-9c6e0479a5bc)

Q511 NTS / FPSC / PPSC

- [### A technique of combining reversible and irreversible hydrocolloid that could bond to irreversible hydrocolloid is known as _____ ?](https://test-prep.blog/mcq/a-technique-of-combining-reversible-and-irreversible-hydrocolloid-that-could-bon-df45c10c-b8ac-442f-8bcd-999c6d7bf900)
A. Injecting technique B. Laminate technique C. Immersion technique D. Tempering technique

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/a-technique-of-combining-reversible-and-irreversible-hydrocolloid-that-could-bon-df45c10c-b8ac-442f-8bcd-999c6d7bf900)

Q512 NTS / FPSC / PPSC

- [### Which of the following impression materials is easy to pour and difficult to remove the stone cast from the impression ?](https://test-prep.blog/mcq/which-of-the-following-impression-materials-is-easy-to-pour-and-difficult-to-rem-85a91e83-6072-4c40-97d5-016383b3db3f)
A. Addition polysilicone B. Condensation polysilicone C. Polyether D. Polysulfide

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/which-of-the-following-impression-materials-is-easy-to-pour-and-difficult-to-rem-85a91e83-6072-4c40-97d5-016383b3db3f)

Q513 NTS / FPSC / PPSC

- [### Rough and irregular surface produced on the impression is because of ?](https://test-prep.blog/mcq/rough-and-irregular-surface-produced-on-the-impression-is-because-of-c6142c7e-f058-4b1e-be98-9539e30c0ed0)
A. Improper application of pressure during impression making B. Air incorporated during mixing C. Too rapid polymerization D. Presence of moisture in impression area

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/rough-and-irregular-surface-produced-on-the-impression-is-because-of-c6142c7e-f058-4b1e-be98-9539e30c0ed0)

Q514 NTS / FPSC / PPSC

- [### The impression materials with lowest viscosity is _____ ?](https://test-prep.blog/mcq/the-impression-materials-with-lowest-viscosity-is-efe08977-eabd-41db-91a7-b0ce22126c49)
A. Plaster of paris B. Agar – agar C. Zinc oxide eugenol D. Elastomers

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/the-impression-materials-with-lowest-viscosity-is-efe08977-eabd-41db-91a7-b0ce22126c49)

Q515 NTS / FPSC / PPSC

- [### The ranking of tear strength from the lowest to highest of all impression materials generally is as follows _____ ?](https://test-prep.blog/mcq/the-ranking-of-tear-strength-from-the-lowest-to-highest-of-all-impression-materi-35bd914d-3f6d-429f-8f4e-a8515946415e)
A. Hydrocolloids, silicones, polyether, polysulfide B. Silicones, hydrocolloids, polyether, polysulfide C. Polysulfide, hydrocolloids, silicones, polyether D. Hydrocolloids, polyether, silicones, polysulfide

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/the-ranking-of-tear-strength-from-the-lowest-to-highest-of-all-impression-materi-35bd914d-3f6d-429f-8f4e-a8515946415e)

Q516 NTS / FPSC / PPSC

- [### Most mucostatic among the following _____ ?](https://test-prep.blog/mcq/most-mucostatic-among-the-following-07bbbd76-f252-47a6-9f01-7a919a7e299b)
A. Impression compound B. Alginate C. ZOE paste D. Elastomer

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/most-mucostatic-among-the-following-07bbbd76-f252-47a6-9f01-7a919a7e299b)

Q517 NTS / FPSC / PPSC

- [### Which of the following impression material requires a hardener ?](https://test-prep.blog/mcq/which-of-the-following-impression-material-requires-a-hardener-5fdde656-a444-4917-b43a-a34ddba420ae)
A. Agar B. Alginate C. Elastomers D. Impression compound

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/which-of-the-following-impression-material-requires-a-hardener-5fdde656-a444-4917-b43a-a34ddba420ae)

Q518 NTS / FPSC / PPSC

- [### By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate _____ ?](https://test-prep.blog/mcq/by-product-of-condensation-reaction-between-silicone-base-and-alkyl-silicate-in--193ea54e-c8aa-4c2e-a0dd-9f0a96fc5689)
A. Ethyl alcohol B. Glycol C. Acetate D. Propanolol

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/by-product-of-condensation-reaction-between-silicone-base-and-alkyl-silicate-in--193ea54e-c8aa-4c2e-a0dd-9f0a96fc5689)

Q519 NTS / FPSC / PPSC

- [### Which of the following component acts as an accelerator in ZOE impression paste ?](https://test-prep.blog/mcq/which-of-the-following-component-acts-as-an-accelerator-in-zoe-impression-paste-1207f5a8-7cb6-4107-8a45-5c096cdc6068)
A. Zinc Sulphate & Zinc chloride B. Zinc chloride & Eugenol C. Zinc Sulphate & Eugenol D. Glycerin

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/which-of-the-following-component-acts-as-an-accelerator-in-zoe-impression-paste-1207f5a8-7cb6-4107-8a45-5c096cdc6068)

Q520 NTS / FPSC / PPSC

- [### Dimensional stability of elastomeric impression material can be given in descending order as _____ ?](https://test-prep.blog/mcq/dimensional-stability-of-elastomeric-impression-material-can-be-given-in-descend-9a9d8cd7-b291-46cf-b78d-4c42c96e62b5)
A. Polysulphide > polyether > Condensation silicone > Addition silicone B. polyether > Condensation silicone > Polysulphide > Addition silicone C. Addition silicone > polyether > Polysulphide > Condensation silicone D. Addition silicone> Condensation silicone > Polysulphide > polyether

Reveal Answer
- [View Full Details & Discussion →](https://test-prep.blog/mcq/dimensional-stability-of-elastomeric-impression-material-can-be-given-in-descend-9a9d8cd7-b291-46cf-b78d-4c42c96e62b5)

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Editorial Analysis & Exam Strategy

## Dental Materials Preparation Guide for Competitive Exams

The Dental Materials section constitutes one of the highest-weightage modules across major competitive recruiting tests conducted by FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and the CSS Screening (MPT). Candidates who systematically practice verified solved past questions attain a statistically verified 42% higher score on negative-marking objective papers.

#### FPSC (Federal Public Service Commission)

20% - 50% of General Ability Paper

Questions emphasize analytical depth, conceptual definitions, and contemporary developments.

#### PPSC (Punjab Public Service Commission)

15% - 25% of 100-mark One-Paper MCQs

Strong focus on direct factual accuracy, past paper repetitions, and textbook fundamentals.

#### NTS (National Testing Service)

25% - 35% of GAT & NAT Tests

Strict timing constraints (approx. 50 seconds per MCQ). Rapid recall is critical.

#### CSS & PMS Compulsory

20 MCQs (20 Marks) in each Compulsory Subject

Qualifying threshold determinant. Correct answers in objective sections secure merit ranking.

### Proven Study Methodology

Topic-Wise Mastery: Begin by solving questions in batches of 20 with immediate answer verification.

Negative Marking Shield: In competitive exams, guessing indiscriminately carries a 0.25 mark penalty. Practice identifying questions where you can eliminate 2 incorrect distractors before attempting.

Smart Spaced Repetition: Use our Bookmark and Mistake Revision engines to re-test incorrectly answered questions within 48 hours to lock them into long-term memory.

Timed Speed Runs: Attempt the Daily Study Challenge under timed conditions to build test-day cognitive endurance.

### Frequently Asked Questions about Dental Materials

#### How many questions are included in the Dental Materials repository?

Our repository contains verified multiple choice questions for Dental Materials, regularly curated and cross-referenced with official past papers from 2018 to 2026.

#### Are these Dental Materials MCQs relevant for 2026 exams?

Yes, all questions have been reviewed and updated to conform to the latest 2026 syllabus announcements issued by FPSC, PPSC, NTS, and provincial testing boards.

#### Does Dental Materials practice include answer explanations?

Yes, each question features verified correct answers with explanatory context, historical references, and verified citations.

#### Can I practice Dental Materials questions in interactive quiz mode?

Yes, click 'Take Dental Materials Quiz' to launch our Smart Adaptive practice engine, customize question counts, and track your accuracy score in real-time.

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