NEET MDS Shorts
86515
Conservative Dentistry
Annealing gold foil is the process of heating gold to remove impurities and restore its cohesion properties.
96380
Conservative Dentistry
12% Chromium is
selected as the baseline required threshold to achieve optimal general corrosion
resistance. The chromium reacts with oxygen in the atmosphere to form a
microscopic, self-healing, and passive chromium-oxide surface layer that
prevents rust and staining.
59697
Conservative DentistryFor a class V gold restoration, the mesial and distal cavity margins should end at the line angles of the tooth to ensure proper adaptation and prevent overhangs. This is important for both functional and aesthetic reasons
87176
Conservative DentistryTo diagnose class III caries clinically, which is caries that involves the proximal surfaces of teeth, a good supplement to radiographs is to examine the proximal surfaces for any color changes, particularly at the contact points where two teeth touch. This is often done using a combination of visual inspection and the use of a dental explorer to detect cavities and softened enamel. However, the answer provided, "Caries activity tests," refers to methods used to assess the activity or inactivity of a caries lesion, not necessarily for diagnosis.
26897
Conservative DentistryThe discoloration of amalgam restorations is often due to the formation of silver sulfide on the surface, which can occur due to the reaction of silver with sulfur compounds in the oral environment. The gamma I phase is a strong component of amalgam, while the gamma II phase is weaker and less stable. Oxides can form as well, but sulfides are more directly associated with the discoloration observed in clinical settings.
55732
Conservative Dentistry
88787
Conservative Dentistry
Surface defects in porcelain act as stress concentrators, which can lead to crack initiation and propagation when the restoration is under load.
69091
Conservative DentistryNatural glaze is often more durable and permanent compared to applied artificial glaze, providing a better finish.
76849
Conservative Dentistry
When inserting pieces of direct gold material, the condensation technique should preferably proceed from the center of the increment to the periphery of the cavity.
27038
Conservative DentistryProximal carious lesions often appear smaller on radiographs than they are clinically due to the limitations of radiographic imaging.