NEET MDS Shorts
97266
PedodonticsSupernumerary teeth, or extra teeth beyond the normal complement, typically arise from deviations during the initiation stage of dental development. This stage involves the formation of the dental lamina, which is responsible for the development of teeth. Abnormalities in this process can lead to the formation of additional teeth.
63162
Oral Medicine
Answer: 2. Leukaemic
Explanation:
Conditional gingival enlargement (also known as inflammatory gingival enlargement) is caused by local irritants (like dental plaque) and is modified by systemic conditions. It is associated with hormonal changes (e.g., during pregnancy or puberty), certain medications (drug-induced), and is the underlying cause of lesions like granuloma pyogenicum.
Leukaemic gingival enlargement, however, is a non-inflammatory enlargement caused by the infiltration of leukaemic cells into the gingival tissues, which is a direct manifestation of systemic disease rather than a condition modifying a pre-existing inflammatory response.
15836
Dental Materials
To impart a hardening heat treatment to a dental gold alloy, the best method is to Reheat to 450°C and cool uniformly to 250°C over a period of 15 to 30 minutes
Reheating the casting to 450°C and then allowing it to cool uniformly to 250°C over 15 to 30 minutes is a method known as "solution annealing." This process is indeed used to harden dental gold alloys. Solution annealing involves heating the alloy to a temperature where the primary phase (usually gold) goes into solution with the secondary phase (typically a harder metal like palladium, silver, or copper). This creates a homogeneous structure that, when cooled slowly, leads to the precipitation of the secondary phase and subsequent hardening.
58360
Community DentistryIn CPITN, a score of 1 indicates gingival bleeding on probing, meaning the gingiva is healthy but bleeds when probed.
67195
Dental Materials
Agar hydrocolloid must be heated to a liquefaction temperature between 70°C and 100°C to be suitable for impression taking.
52737
Endodontics
Because residual H2O2 might react with debris and produce gas that can cause continuous pain.
15508
General Medicine
Acetazolamide is a carbonic anhydrase inhibitor that reduces aqueous humour production and is therefore indicated in glaucoma to reduce the intraocular pressure.
Salbutamol is a selective, short-acting beta2-agonist used as a bronchodilator in asthma. Tolbutamide is a short-acting sulphonylurea used in type 2 (non-insulin dependent) diabetes mellitus.
Chlorpromazine is an aliphatic neuroleptic antipsychotic drug used in schizophrenia.
56518
EndodonticsNight guard bleaching refers to a dentist-prescribed home-applied technique where the patient uses custom-fitted trays filled with carbamide peroxide gel, typically worn overnight. Key features: 1) Dentist provides custom trays and bleaching gel, 2) Patient applies treatment at home under professional supervision, 3) Uses lower concentrations (10-15% carbamide peroxide) for safety, 4) Extended contact time (6-8 hours) compensates for lower concentration, 5) Also called tray bleaching or home bleaching.
76309
Physiology
Acetylcholine, released by the vagus nerve, acts on the SA node to slow down the heart rate by hyperpolarizing the membranes of the SA node cells and decreasing their automaticity.
43381
PedodonticsThe instrument best suited for root planing is a curette.