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NEET MDS Shorts

51841
Dental Materials

The hybrid layer formed by the infiltration of resin into the etched dentin provides a strong mechanical interlock and acts as a barrier to prevent microleakage between the restoration and the tooth structure.

66528
Anatomy

The trigeminal ganglion lies on Anterior surface of petrous temporal bone near its apex in Meckel’s cave which is a space of dura mater

34681
Pharmacology

Tolerance: The capacity to absorb a drug continuously or in large doses without adverse effect; diminution in the response to a drug after prolonged use.

15840
Endodontics

Internal resorption is a condition where the dentin and pulp of a tooth are resorbed internally. It is often a result of chronic inflammation of the pulp. Radiographically, it appears as an enlargement of the pulp space, which can give the tooth a pinkish hue clinically (pink tooth of Mummery). The process involves clastic cells that resorb the dental hard tissues.

96965
Radiology

Horizontal unfavourable or favourable fractures of the mandible can be viewed best in lateral oblique 30 degrees.

19186
Dental Materials

The specification requires that amalgam neither contract nor expand more than 20 µm/cm.

22806
Oral Pathology

Hydroquinone is the initiator in developing solutions for photographic films.

32889
Oral Pathology

Plummer-Vinson syndrome is associated with atrophic changes in the epithelium, which can lead to an increased risk of cancer

Plummer-Vinson syndrome is characterized by a classic triad of clinical features: dysphagia (difficulty swallowing), iron-deficiency anemia, and esophageal webs. Additional symptoms may include glossitis (inflammation of the tongue), koilonychia (spoon-shaped nails), and cheilitis (inflammation of the lips). 

Clinical Features of Plummer-Vinson Syndrome:

  • Dysphagia:

    • Difficulty swallowing due to the presence of esophageal webs, which can obstruct the esophagus.
  • Iron-Deficiency Anemia:

    • Resulting from chronic blood loss or malabsorption, leading to fatigue and weakness.
  • Esophageal Webs:

    • Thin membranes that form in the esophagus, contributing to swallowing difficulties.
  • Glossitis:

    • Inflammation of the tongue, which may appear smooth and swollen.
  • Koilonychia:

    • Spoon-shaped nails that can indicate iron deficiency.
  • Cheilitis:

    • Inflammation and cracking of the lips, often associated with nutritional deficiencies.
  • Fatigue and Weakness:

    • Common symptoms due to anemia and nutritional deficiencies.

Associated Risks:

  • Esophageal Cancer:
    • There is an increased risk of developing esophageal cancer in individuals with Plummer-Vinson syndrome.

Prevention:

  • Iron Intake:

    • Ensuring adequate dietary iron may help prevent the onset of this syndrome. Diagnosis and Management:
  • Diagnosis:

    • Diagnosis is typically made through clinical evaluation, endoscopy, and imaging studies to identify esophageal webs and assess for anemia.
  • Management:

    • Treatment often involves iron supplementation to address anemia and dietary modifications to improve iron intake. In some cases, dilation of esophageal webs may be necessary to alleviate dysphagia

64712
Prosthodontics

The muscle which has influence on the formation of the buccal frenum of the maxilla is levator anguli oris.

59251
Radiology

A radiograph with many gradations of gray from totally white to completely black is related to long-scale contrast.

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