NEET MDS Shorts
86341
Oral SurgeryMaxillary first premolar is the most difficult to extract in the maxillary arch due to its bifurcated roots (buccal and palatal). The roots often diverge significantly, and the buccal root may have a sharp apical curve. This anatomy makes it prone to root fracture during extraction.
65083
Oral PathologyTumor osteoid is pathognomonic of osteosarcoma. It appears as pink, homogeneous, intercellular material produced by malignant osteoblasts. This osteoid matrix may or may not be mineralized and is directly deposited by tumor cells without the presence of osteoblasts. Ewings sarcoma is composed of small round cells without osteoid formation. Multiple myeloma shows plasma cell infiltration, and Pagets disease shows irregular bone formation but not tumor osteoid.
98648
Prosthodontics
Explanation: The retromolar pad is an important anatomical
landmark in denture fabrication and contains fibers from the superior
constrictor muscle, buccinator muscle, and temporal tendon. However, it does not
contain fibers from the masseter muscle, which is located more anteriorly and
plays a different role in mastication.
52999
Dental Materials
Dental stone typically has a lower water to powder ratio compared to other gypsum products, which gives it higher strength and durability suitable for making dental models.
22269
Pharmacology
Treatment with a single 200-mg dose of doxycycline has been recommended As studies in volunteers demonstrated conclusively, the disease is an immunizing process. Patients who have recovered from cholera are solidly immune for at least 3 years
32224
Oral PathologyNormal serum calcium and alkaline phosphatase levels are seen in cherubism.
19376
PharmacologyThe cause of death with opioid intoxication is respiratory depression
50711
PedodonticsClenching and bruxism can be controlled by occlusal guards, occlusal equilibration, and psychological counseling.
34534
INI CET
Anterior crossbite (tooth 21) in a 9-year-old should be treated immediately to prevent functional shifts, abnormal wear, and potential skeletal complications.
52215
PhysiologyThe primary mechanism of sodium reabsorption in the distal convoluted tubule and collecting ducts is active transport with the sodium-potassium ATPase pump.