NEET MDS Shorts
24217
INI CET
As florid cemento-osseous dysplasia progresses, it can exhibit radiographic characteristics that include mixed radiolucent and radiopaque areas, sometimes described as resembling a “bowl of jelly" in certain surgical/textual contexts.
26316
INI CET
According to generally accepted criteria for implant success, a certain amount of crestal bone loss is expected during the first year after prosthetic loading. The typical range is around 1.5-2 mm. Subsequent annual bone loss should be less than 0.2 mm.
18571
Dental Materials
Main causes of the porosity of alloy castings are:
1) Solidification defects
2) Trapped gases
3) Residual air
1. Solidification defects
Solidification defects cold lead to two different manifestations of porosity;
localised shrinkage porosity and Microporosity.
Localised shrinkage porosity is caused by insufficient feeding of the alloy
during solidification.
Microporosity is also caused by solidification shrinkage, but generally happens
in fine grain alloys when the solidification is too rapid for the microvoids to
segregate. This in turn is caused the mould or casting temperature being too
low.
2. Trapped gases
Many metals dissolve or occlude gases when they are molten. On solidification,
these gases are forced out of the casting causing what is usually called pinhole
porosity. These voids are rather small.
3. Incomplete casting
If the molten alloy is prevented from fully or partially filling the mould and
incomplete or even no casting at all can result.
81532
ProsthodonticsAfter extraction and healing, the maxillary denture encloses severe bony undercuts in both the tuberosities. The best treatment for this condition is to reduce both the undercuts so that no bony undercuts exist anywhere on the ridge.
30108
ProsthodonticsThe distofacial border of the mandibular complete denture is limited by the action of masseter.
59087
General MedicineAlpha antitrypism deficiency causes panacinar emphysema
30527
Prosthodontics
FPDs are generally contraindicated for several reasons: Growth and Development: Children are still in their
growth phase, and their jaws and teeth are developing. Placing a fixed
prosthesis can interfere with normal growth patterns and may require
adjustments or replacements as the child grows. Eruption of Permanent Teeth: In younger patients,
especially those under 10, many of the permanent teeth have not yet erupted.
Using FPDs in this age group can complicate future dental treatments, as the
position of the teeth may change with the eruption of permanent teeth.
99382
PeriodonticsThe enlargement of gingiva caused by cyclosporine is a non-inflammatory fibrous overgrowth, which is a common side effect of the immunosuppressant medication.
83977
INI CET
Condensation silicone releases ethanol as a byproduct, which leads to dimensional shrinkage. Addition silicone does not release a byproduct, making it more dimensionally stable.
81033
State PSC PYQSialadenitis from radiation damage reduces salivary flow leading to xerostomia.