NEET MDS Shorts
37925
Conservative DentistryFailure of a cast to seat properly on the cast during the restoration process can be due to various factors such as distortion during fabrication or changes in the cast material. To overcome this, the cast can be scraped with a sharp instrument to remove any excess material that may be preventing proper seating. Washing the casting with HCI (hydrochloric acid) may help to clean and smooth the surface, but it is not a common practice for this specific purpose. Forcefully positioning the casting can cause damage to the cast and is not recommended. If the discrepancy is more than 0.3 mm, it is generally advised to discard the cast and make a new one to ensure a precise and accurate fit.
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Oral PathologyThe minimum distance should be 6 feet at a 135-degree angle for safety.
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Dental Materials
The presence of the y phase makes the amalgam more susceptible to corrosion, and high-copper amalgams are designed to eliminate or significantly reduce this phase.
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Oral PathologyLead is the most commonly used substance for protection against X-ray radiation.
28254
Dental Materials
The average particle size of powered gold used in dental restorations is 15 ?ms. This size allows for the gold to be manipulated and condensed properly within the cavity preparation to achieve the desired restorative outcome.
31904
PhysiologyThe primary function of the epididymis in the male reproductive system is the storage and maturation of sperm, allowing them to gain motility and the ability to fertilize an egg.
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EndodonticsObtura II is a high heat obturation technique used in endodontics (root canal treatment) to fill and seal the root canal system of teeth. This technique involves the use of a thermoplasticized gutta-percha, which is heated to a high temperature and then compacted into the root canal with a heat source such as a heated plugger or a heated tip of a handpiece. The heat helps to soften the gutta-percha, allowing it to adapt to the irregularities of the root canal system and form a tight seal against bacterial microleakage. Thermofill and Ultrafill are not high heat techniques, while sectional filling is a method of filling the canal in increments, which may or may not involve heat.
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AnatomyThe nerve to masseter passes posterior to temporomandibular joint
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NEETMDS
Growth modification treatments in orthodontics are typically most effective during a patient's pubertal growth spurt. This period generally coincides with the late mixed dentition stage.
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NEETMDS
Scorbutic rosary refers to the sharp, angular prominence of the costochondral junctions seen in scurvy (vitamin C deficiency). This is distinct from the blunter, rounded enlargement seen in rickets.