Talk to us?

NEETMDS- courses, NBDE, ADC, NDEB, ORE, SDLE-Eduinfy.com

NEET MDS Shorts

45606
Endodontics

Discoloration of an endodontically treated tooth can result from several factors related to the procedure.
Improper debridement: Inadequate cleaning of the pulp chamber can leave behind necrotic pulp tissue, which contains blood breakdown products that stain the tooth structure.
Sealer cement left in the pulp chamber: Many root canal sealers contain components (like zinc oxide eugenol or certain resins) that can cause staining if left in the coronal part of the tooth after the procedure.
Obturating materials: The main filling material, gutta-percha, especially when combined with certain sealers, can also contribute to tooth discoloration 

67777
Periodontics

Curettage involves removal of the inflamed soft tissue lining of the periodontal pocket.

Healing occurs by proliferation of epithelial cells from the adjacent gingival tissue.

Re‑epithelialization of the sulcus is usually complete within 1–2 weeks.

Connective tissue repair and maturation take longer (several weeks), but epithelial coverage is relatively rapid.

54411
Oral Surgery

Early movements of TMJ following surgery for TMJ ankylosis is desirable.

83028
Medicine

Ochronosis, the deposition of homogentisic acid (HGA) in connective tissues, is a characteristic feature of alkaptonuria.


This deposition commonly affects various cartilaginous structures, including the pinna (outer ear), the nasal cartilage, and other cartilaginous sites throughout the body, leading to joint pain and arthritis. 

Deposition is also seen in the eye, specifically in the sclera and cornea.

33756
Dental Materials

Sodium chloride is an accelerator up to about 2% of the hemihydrates, but at a higher concentration, it acts as a retarder. Sodium sulphate has its maximum acceleration effect at approximately 3.4%; at greater concentrations, it becomes a retarder.
 
The most commonly used accelerator is potassium sulphate. It is particularly effective in concentrations higher than 2% since the reaction product. which seems to be syngenite (K,Ca[SO4].H1O) crystallizes rapidly. Many soluble sulphates act as accelerators, whereas powdered gypsum (calcium sulphate dehydrate) accelerates the setting rate, because the
particles act as nuclei of crystallization.

 Citrates. acetates and borates generally retard the reaction.

64620
Physiology

The vestibulospinal tract is a medial pathway that plays a critical role in maintaining posture and balance by coordinating the contraction of antigravity muscles in response to information from the vestibular system.

38059
Dental Materials

According to the text, the mixing time for zinc phosphate cement is about 1-15 minutes.

39400
Endodontics

Vertical condensation of gutta-percha is more difficult to retrieve and is associated with root fractures. This is because: 1) The thermoplasticized gutta-percha bonds more intimately with canal walls, 2) Heat application during condensation makes removal challenging, 3) Excessive force during condensation can cause vertical root fractures, 4) Dense packing requires aggressive instrumentation for removal, 5) The technique requires greater operator skill and carries higher risk of complications. While it can provide excellent seal, the difficulty of retreatment and risk of root fracture are significant disadvantages.

11917
Dental Materials

The primary concern is the potential for pulpal toxicity due to the diffusion of eugenol.

74717
Physiology

The threshold for phosphate excretion in the urine is approximately 0.50 mM, above which phosphate begins to appear in the urine.

Quick Key Notes

Anatomy

Physiology

Biochemistry

Dental Materials

Dental Anatomy

Pathology

Microbiology

Pharmacology

Oral Pathology

Community Dentistry

Medicine

Surgery

Oral Medicine

Prosthodontics

Orthodontics

Periodontology

Oral Surgery

Conservative Dentistry

Endodontics

Pedodontics

Radiology

Anaesthesia