Date: February 14, 2026 Organization: Sindh Public Service Commission (SPSC) Post: Dental Surgeon (BPS-17)
Below is a collection of recalled Multiple Choice Questions (MCQs) from today’s written test. These questions cover Dental Sciences, General Knowledge, and English portions. This list is intended for educational purposes and future test preparation.
🦷 Part I: Dental & Medical Sciences
Q1. A 6-year-old child presents with missing maxillary anterior teeth. A radiograph shows a radiopaque mass. What is the most likely diagnosis?
Answer: Odontoma
Q2. Which index provides an assessment of good oral hygiene?
Answer: Oral Hygiene Index – Simplified (OHI-S)
Q3. What is the first step in dental plaque formation?
Answer: Formation of acquired pellicle
Q4. Which is the first bacterium to colonize in plaque formation?
Answer: Streptococcus sanguinis
Q5. During intraoperative surgery, which instrument is used to check impacted tooth mobility?
Answer: Periosteal elevator (Periostome)
Q6. Which division of the Trigeminal nerve carries both sensory and motor functions?
Answer: Mandibular division (V3)
Q7. The Parotid gland receives parasympathetic fibers from which source?
Answer: Glossopharyngeal nerve (CN IX) via the lesser petrosal nerve and otic ganglion
Q8. The muscles of mastication are supplied by which nerve?
Answer: Mandibular division (V3) of the Trigeminal nerve
Q9. In a mandible fracture where the hyoid bone is fixed, which muscle assists in stabilization?
Answer: Anterior belly of digastric (along with mylohyoid and geniohyoid)
Q10. What is the mechanism of action of Metronidazole?
Answer: It is reduced in anaerobic bacteria to reactive radicals which bind to DNA, inhibiting nucleic acid synthesis (Bactericidal).
Q11. Clindamycin-associated pseudomembranous colitis is caused by which organism?
Answer: Clostridioides difficile
Q12. Which bacteria is primarily associated with Aggressive Periodontitis?
Answer: Aggregatibacter actinomycetemcomitans
Q13. A dentist performing overtreatment solely for financial gain violates which ethical principles?
Answer: Non-maleficence and Beneficence
Q14. A dentist reporting a case of child abuse is upholding which ethical principles?
Answer: Beneficence and Justice
Q15. Enamel is derived from which embryonic layer?
Answer: Ectoderm (specifically ameloblasts from the inner enamel epithelium)
Q16. What is the main mineral content of tooth enamel?
Answer: Hydroxyapatite (~96%)
Q17. Which diagnostic tests are used to differentiate between reversible and irreversible pulpitis?
Answer: Thermal tests (cold/hot) and Electric Pulp Test (EPT)
Q18. Which local anesthetic agent is known for its long-acting duration?
Answer: Bupivacaine
Q19. Where is the incision made for an odontogenic infection involving the buccal space?
Answer: Intraoral vestibular incision
Q20. Scurvy is caused by a deficiency of:
Answer: Vitamin C
Q21. Vitamin C is also known as:
Answer: Ascorbic Acid
Q22. A non-healing ulcer on the tongue persisting for 2 weeks is most likely diagnosed as:
Answer: Oral Squamous Cell Carcinoma
Q23. What is the surgical treatment for a child with TMJ ankylosis?
Answer: Gap arthroplasty or interpositional arthroplasty (often with costochondral graft)
Q24. Osteoradionecrosis occurs most frequently in which maxillofacial region?
Answer: Mandible
Q25. A “Sun-burst” radiolucency appearance is characteristic of:
Answer: Osteosarcoma
Q26. Multiple jaw cysts, bifid ribs, and basal cell carcinoma are characteristic of which syndrome?
Answer: Gorlin-Goltz Syndrome (Nevoid Basal Cell Carcinoma Syndrome)
Q27. For children at high risk of dental caries, what is the preferred preventive option?
Answer: Fluoride toothpaste
Q28. Nerve damage during tooth extraction most commonly involves which nerve?
Answer: Lingual nerve
Q29. What is the acceptable INR range for tooth extraction in a patient on anticoagulation therapy?
Answer: Generally 2.0 – 3.0 (Guidelines vary, typically safe below 3.5-4.0 with local measures)
Q30. Periodontal Ligament (PDL) fibers are mainly composed of:
Answer: Collagen fibers
🌍 Part II: General Knowledge & Pakistan Studies
Q31. Which city is known as the “Marble City of Pakistan”?
Answer: [To be verified based on specific options, often refers to Risalpur or Mohmand Agency]
Q32. The Yangtze is the largest river in:
Answer: Asia (Note: If the question asked for the largest in the World, the answer is Amazon or Nile. Yangtze is 3rd in the world.)
Q33. Which country was the first to grant women the right to vote?
Answer: New Zealand
Q34. Which country is known as the “Land of Fire”?
Answer: Azerbaijan
Q35. What is the name of the project often called the “Lifeline of Pakistan” located near Jhelum city?
Answer: Mangla Dam
Q36. In which Islamic month was the Treaty of Hudaibiya signed?
Answer: Dhul-Qi’dah
Q37. What is the longest bone in the human body?
Answer: Femur
Q38. Regarding lightning and thunderstorms, which phenomenon is observed first?
Answer: Lightning is seen before thunder is heard (because light travels faster than sound).
Q39. The Ozone layer is present in which atmospheric sphere?
Answer: Stratosphere
📖 Part III: English & Verbal Reasoning
Q40. Fill in the blank: “He wants to buy ____ uniform of school?”
Answer: a (Note: “Uniform” starts with a ‘yoo’ sound, so it takes ‘a’, not ‘an’.)
Q41. Choose the synonym of “Impartial”:
Answer: Neutral
Q42. Choose the antonym of “Profound”:
Answer: Shallow
Q43. Choose the synonym of “Obsolete”:
Answer: Outdated
Q44. What is the meaning of the idiom “Sit on the fence”?
Answer: To hesitate or avoid taking a side.
Q45. Choose the correct conjunction: “_______ he is doing his best efforts…”
Answer: [Context dependent, likely ‘Although’ or ‘While’]
Q46. Identify the correct punctuation: He said, “xyz.”
Answer: Direct speech usually follows the format: He said, “Text.”
Q47. What is the meaning of the idiom “Storm in a teacup”?
Answer: A lot of fuss about a trivial matter.
Q48. Identify the correct usage of the word “Implement”:
Answer: “The company implemented a new policy.”
Did you take this test? Share any corrections or additional questions in the comments below to help us update the answer key!
Comment Here: Click Here
Follow me on Whatsapp: Click Here