NEET MDS Shorts
17833
Prosthodontics
22875
Dental Materials
The condensation reaction in silicone elastomers produces ethyl alcohol, which evaporates during setting, contributing to the material's contraction.
52912
Oral SurgeryIn children, the healing process for fractures is faster due to the high vascularity and rapid bone turnover in growing tissues. Mandibular fractures in children are typically immobilized for a shorter duration compared to adults, as prolonged immobilization can interfere with the growth of the jaw. Immobilization for 3-4 weeks is generally sufficient to allow proper healing without compromising growth.
63518
Orthodontics
ankylosed teeth are also known as submerged teeth.
submerged teeth are decidous teeth most commonly mandibular second molars
Most common permanant tooth found to be ankylosed is premolars.
98597
General MicrobiologyThe reaction tested by adding concentrated sulfuric acid to a 24-hour peptone water culture is Cholera red reaction, This reaction tests for the presence of cholera vibrios, which produce hydrogen sulfide gas when their culture is acidified with sulfuric acid. The gas reacts with the ferric chloride present in the medium to produce a characteristic red color.
28252
Dental Materials
Mercury that complies with the requirements of the United States Pharmacopoeia also meets requirements for purity in ANSI/ADA Specification No. 6, which is typically 99.9% pure.
60011
PhysiologyDuring the follicular phase of the menstrual cycle, estrogen stimulates follicular development, promoting the maturation of ovarian follicles.
47418
EndodonticsIn the walking bleach procedure, sodium perborate is the primary technique used. The walking bleach method involves: 1) Mixing sodium perborate with water or 3% hydrogen peroxide to form a paste, 2) Placing this mixture in the pulp chamber of endodontically treated teeth, 3) Sealing the access cavity with temporary restoration, 4) Patient returns after 3-7 days for evaluation and possible reapplication. Sodium perborate releases oxygen slowly, providing sustained bleaching action. HCl is used in microabrasion, not walking bleach.
69245
RadiologyArthroscopy of TMJ is useful in internal derangement.
55745
PhysiologyThe primary mechanism of bicarbonate reabsorption in the proximal convoluted tubule involves combination with hydrogen ions, forming carbonic acid, which is then converted to water and carbon dioxide.