NEET MDS Shorts
95591
Dental Anatomylateral incisor is most often missing congenitally
17242
General Medicine
Adrenaline is the drug of choice in anaphylactic shock as it acts rapidly to counteract the effects of histamine by causing vasoconstriction and bronchodilation. It is administered intramuscularly to ensure quick absorption and action.
43389
Orthodontics
SOLUTION Mechanical approaches for aligning unerupted teeth. Orthodontic traction to pull an unerupted tooth toward the line of the arch should begin as soon as possible after surgery
Ideally a fixed orthodontic appliance should already be in place before the unerupted tooth is exposed, so that orthodontic force can be applied immediately.
If this is not practical, active orthodontic movement should being no later than 2 or 3 weeks post-surgically.
24846
INI CET
Florid cemento-osseous dysplasia predominantly affects middle-aged to older black females, evidencing a strong gender and racial predilection. Statistics show that over 90% of cases occur in females, with a significant majority being of African descent.
63241
Dental Materials
Etching of tooth surface with 37% phosphoric acid creates microporosities in the enamel and dentin. This is the main method of adhesion of composite resin to tooth surface.
After etching the surface energy of the enamel will increase. This will make it very sticky to any kind of contaminants. If salivary contamination will occur, the salivary proteins will precipitate in the microporosities. This will prevent the adequate penetration of the bonding agent, therby reducing the micotag formation. Hence, complete isolation is essential.
19090
Physiology
The primary mechanism of H+ secretion by parietal cells is through the action of the H+-K+ ATPase pump, also known as the proton pump. This enzyme is responsible for actively transporting H+ ions into the gastric lumen while moving K+ ions into the cells, thereby acidifying the gastric content.
39374
Oral PathologyPierre-Robin syndrome does NOT typically present with Class III malocclusion. Instead, it is characterized by micrognathia (underdeveloped mandible) leading to Class II malocclusion with mandibular retrusion. Cleft palate, cleidocranial dysplasia, and craniofacial dysostosis (Crouzons syndrome) can all present with Class III malocclusion due to maxillary hypoplasia or relative mandibular prognathism in these conditions.
36844
Oral PathologyErythroblastosis fetalis (hemolytic disease of the newborn) causes hyperbilirubinemia leading to bilirubin deposition in developing teeth. This results in characteristic pigmented teeth with green, brown, or blue discoloration. The pigmentation occurs due to biliverdin and bilirubin incorporation into the dentin and enamel during tooth development. Dentinal dysplasia and hypoplastic teeth are not typical features of erythroblastosis fetalis.
23786
NEETMDS
Hepatitis C virus (HCV) infection is strongly associated with several extrahepatic manifestations, including oral lichen planus, which can appear as white lesions, redness, or ulcers in the mouth.
69081
NEETMDS
Streptococci contribute to caries development primarily because they ferment carbohydrates, producing acid as a metabolic byproduct which demineralizes tooth enamel.