NExt INICET INBDE SDLE 🦷 UPSC MPSC UPPSC 🧑‍⚕️ officer Dental NEET MDS 🦷 MPPSC BPSC PSC OPSC HPSC JKPSC HPPSC aiims PG exam

Which finish line provides the most ideal shoulder for ceramic restorations? a) Knife edge b) Chamfer c) 90° shoulder d) Bevel

Mineralization of dentin primarily occurs by: A. Appositional growth only B. Endochondral ossification C. Matrix vesicles and collagen-mediated nucleation D. Intramembranous ossification

Accentuated incremental lines in dentin are known as: A. Lines of Retzius B. Perikymata C. Contour lines of Owen D. Neonatal line

Odontoblastic process present within dentinal tubules is also called: A. Sharpey’s fibers B. Tomes’ fibers C. Korff’s fibers D. von Ebner fibers

Daily rate of dentin formation during early dentinogenesis is approximately: A. 1 µm/day B. 2 µm/day C. 4 µm/day D. 10 µm/day

Mineralization of predentin begins approximately after: A. Immediately B. 6 hours C. 24 hours D. 72 hours

Major organic component of predentin is: A. Type II collagen B. Type I collagen C. Type III collagen D . Type IV collagen

Trigeminal neuralgia most commonly affects: A. Ophthalmic division B. Maxillary division C. Mandibular division D. Maxillary & mandibular divisions

Mandibular nerve passes through: A. Foramen rotundum B. Foramen spinosum C. Foramen ovale D. Stylomastoid foramen

Maxillary nerve exits skull via: A. Foramen ovale B. Foramen rotundum C. Superior orbital fissure D. Inferior orbital fissure

All are branches of ophthalmic nerve EXCEPT: A. Lacrimal B. Frontal C. Nasociliary D. Infraorbital

Ophthalmic nerve passes through: A. Foramen rotundum B. Foramen ovale C. Superior orbital fissure D. Inferior orbital fissure

Which protein is removed during enamel maturation? A. Collagen B. Amelogenin C. Elastin D. Keratin

. During maturation stage, ameloblasts show alternating: A. Cuboidal and squamous forms B. Ruffle-ended and smooth-ended borders C. Secretory and protective phases D. Active and resting phases

Absence of Tomes’ process results in formation of: A. Enamel rods B. Aprismatic enamel C. Hypoplastic enamel D. Interrod enamel

Function of Tomes’ process is to: A. Form dentin B. Form enamel rods C. Mineralize enamel D. Protect enamel surface

Tomes’ process appears during: A. Organizing stage B. Formative stage C. Maturation stage D. Protective stage

Organizing stage is characterized by: A. Enamel matrix secretion B. Cell elongation and polarization C. Mineralization D. Enamel maturation

The life cycle of ameloblasts is divided into: A. 3 stages B. 4 stages C. 5 stages D. 6 stages