In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________? September 27, 2025 by Admin A. Distobuccal groove B. Mesial surface C. Mesiobuccal surface D. Transverse groove ✅ The correct answer is option C. Mesiobuccal surface.
Lamina densa of the gingival basement membrane is rich in_____________? September 27, 2025 by Admin A. Type I and III collagen B. Type III collagen C. Type IV collagen D. Type I collagen ✅ The correct answer is option C. Type IV collagen.
Lymphocytes are located in each of the following tissues or organs EXCEPT one. The one exception is______________? September 27, 2025 by Admin A. Brain B. Spleen C. Lymph nodes D. Thymus gland ✅ The correct answer is option A. Brain.
Retrusion of mandible is achieved by _______________? September 27, 2025 by Admin A. Lateral pterygoid B. Temporalis C. Masseter D. None of the above ✅ The correct answer is option B. Temporalis.
The articular cartilage is characterized by all of the following features except_____________? September 27, 2025 by Admin A. It is devoid of perichondrium B. It has a rich nerve supply C. It is avascular D. It lacks the capacity to regenerate ✅ The correct answer is option B. It has a rich nerve supply.
Which of the following body secretions is maximum______________? September 27, 2025 by Admin A. Salivary B. Gastric C. Sweat D. Lacrimal ✅ The correct answer is option B. Gastric.
Root completion of the mandibular first molar takes place by the age_______________? September 27, 2025 by Admin A. 7-8 years B. 8-9 years C. 9-10 years D. 10 – 11 years ✅ The correct answer is option C. 9-10 years.
The deciduous teeth can be differentiated from permanent teeth by_____________? September 27, 2025 by Admin A. Enamel prismatic arrangement B. Dentinal tubule arrangement C. Primary and secondary dentin D. Mineral content ✅ The correct answer is option A. Enamel prismatic arrangement.
Which of these teeth are highly sturdy and usually the last ones to be lost ? September 27, 2025 by Admin A. First molar B. Central incisors C. Canines D. Premolars ✅ The correct answer is option C. Canines.
Flux used in dental ceramic is________________? September 27, 2025 by Admin A. Alumina B. Silica C. Kaolin D. Boric oxide ✅ The correct answer is option D. Boric oxide.