NEET MDS Shorts
75576
Oral SurgeryRubber band extraction is specifically indicated for patients with bleeding disorders. This technique involves placing orthodontic elastics around the tooth to create gradual pressure, causing slow strangulation of the periodontal ligament and eventual tooth exfoliation without surgical trauma, thus minimizing bleeding risk in coagulopathic patients.
86355
General PathologyHyperpigmentation is a classic physical finding in Addison's disease, which is caused by adrenal insufficiency.
53559
Dental Materials
The general use of type III zinc oxide-eugenol temporary cement is for immediate post-operative treatment of sensitivity and to reduce post-operative sensitivity before placing a permanent restoration.
19495
RadiologyScreen films are specifically designed to be more sensitive to light than to X-rays. They work in conjunction with intensifying screens that convert X-ray energy to light photons. The film responds primarily to the light emitted by the phosphors in the intensifying screens, not directly to X-rays.
36955
PhysiologyFluorescent lighting enhances the visibility of scleral icterus, making it easier to detect jaundice.
78587
General Medicine
Hemophilia A is an X-linked recessive disorder, caused by a deficiency of factor VIII. Since the patient's mother is a carrier, she must have one defective X chromosome and one normal X chromosome. The patient, being a male, has a 50% chance of inheriting the disorder from his mother, which is the most likely scenario given the family history and the X-linked inheritance pattern. Hemophilia B is also X-linked but would be mentioned as Christmas disease if it were the correct answer. Hageman trait is an autosomal recessive disorder related to factor XII, which is less common than Hemophilia A and B.
37920
RadiologyZygoma fractures can be best viewed by occipitomental view.
84574
Oral Medicine
Type 2 diabetes is primarily associated with insulin resistance, where the body's cells do not respond effectively to insulin.
39931
Orthodontics
Classification of appliances for thumb-sucking 2 Fixed appliances a. Quad helix The ideal appliance to correct posterior cross-bite caused due to digit sucking is Quad Helix. It is a lingual arch which is adjustab and needs very little patient cooperation because it is fixed and is reliable and easy to use.
1. Removable appliances- These are passive appliances. These are retained in the oral cavity by means of clasps and they norm have one of these following additional components:
a. Tongue spikes
b. Tongue guard
c. Spurs/rake
b. Hay rakes
c. Maxillary lingual arch with palatal crib
40326
ProsthodonticsThe width of a palatal strap should not be less than 8mm to provide adequate rigidity and strength. A palatal bar is narrower (typically 4-6mm), while the strap is wider to distribute forces over a larger area. The increased width of the strap provides better support and reduces tissue pressure per unit area.