NEET MDS Shorts
80171
EndodonticsRoot resorption in endodontically treated (root canal) teeth is the same as in normal, vital teeth.
23022
PedodonticsLateral food impaction occurs mainly due to open proximal contact.
76872
Oral Surgery
Severe acidosis, particularly metabolic acidosis, can occur following
prolonged cardiac arrest and subsequent CPR. The primary goal in managing such
cases is to restore normal pH levels in the body, which is crucial for proper
cellular function and overall physiological homeostasis. 1. Sodium bicarbonate Sodium bicarbonate is a strong base that reacts with
hydrogen ions (H+), which are responsible for acidity in the blood, to form
carbon dioxide (CO2) and water (H2O). This reaction helps to neutralize the
excess hydrogen ions, thereby raising the pH of the blood. It is administered
intravenously because it allows for rapid distribution throughout the body and
direct access to the circulatory system where it can counteract acidosis most
effectively. The intravenous route ensures that the medication reaches the
bloodstream quickly and in a controlled manner, making it the preferred method
for acute and severe cases.
2. Adrenaline (epinephrine)*: Although adrenaline is a crucial medication used
in CPR for its vasopressor and cardiac stimulant effects, it is not the primary
treatment for severe acidosis. Adrenaline is typically administered to improve
cardiac output and blood pressure during CPR.
56408
NEETMDS
The significant differences between self-etch
primers and total-etch primers are: Wetness of dentine: In total-etch, dentine must be kept moist
after etching to prevent collagen collapse. In self-etch, no rinsing step is required, so
dentine wetness is not critical. Time of application: Total-etch involves separate etching, rinsing,
and priming steps → longer procedure. Self-etch combines etching and priming in one
step → faster. Removal of smear layer: Total-etch completely removes the smear layer
with phosphoric acid. Self-etch modifies and incorporates the smear
layer into the hybrid layer. Bond strength: Both systems can achieve comparable bond strength
to enamel and dentine when properly applied. Hence, bond strength is NOT a significant difference
between the two systems.Explanation
50256
Public Health DentistryAn expression of probability based on the ratio of the difference between two means, divided by the standard error of the difference, is known as the t value (or t-statistic). This value is used in hypothesis testing to determine if the means of two groups are significantly different.
76583
ProsthodonticsRigid precision attachments are recommended for free-end mandibular partial dentures when opposing a complete denture. The complete denture provides even loading and reduced lateral forces, making rigid attachments appropriate. When opposing natural teeth or other partial dentures, semi-rigid attachments are preferred to accommodate differential movement.
56370
RadiologyA bilateral asymptomatic cyst-like radiolucent lesion in a 7-year-old boy at the angle of the mandible may be diagnosed as cherubism.
96396
Oral SurgeryFor a 30-year-old patient with BP 150/80 mmHg requiring dental treatment, preoperative sedation is the most appropriate approach. This blood pressure reading indicates stage 1 hypertension, which is not severe enough to contraindicate dental procedures but may benefit from anxiety reduction through sedation to prevent further BP elevation during treatment.
18314
NEETMDSA deficiency in protein C is a thrombophilia that leads to an increased risk of blood clots. This condition can manifest as deep vein thrombosis (DVT), which causes pain in the calf muscles, and can also lead to recurrent miscarriages due to blood clots forming in the placenta.
82316
Anatomy
The muscle least related to the pterygomandibular raphe is the lateral
pterygoid. The pterygomandibular raphe primarily connects the superior
pharyngeal constrictor and the buccinator muscles, while the medial and lateral
pterygoid muscles are involved in the movement of the jaw but do not have a
direct attachment to the raphe. Here’s a breakdown of the relationships: Muscle Relationships to the Pterygomandibular Raphe Attaches to the posterior margin of the pterygomandibular raphe. Plays a role in swallowing and constricting the pharynx. While not directly attached, it is located near the pterygomandibular
raphe and contributes to jaw movement. Least related to the pterygomandibular raphe. Primarily involved in moving the jaw forward and side to side, with
no direct attachment to the raphe. Attaches to the anterior margin of the pterygomandibular raphe. Important for chewing and keeping food between the teeth.