NEET MDS Shorts
14955
OrthodonticsIf the coil and tag of a palatal canine retractor are placed too far distally, the force applied will tend to move the tooth buccally (toward the cheek) rather than palatally (toward the palate), which can hinder the intended movement.
48517
Dental Materials
An aliphatic amine like DMAEMA is used at low concentrations (around 0.15 wt%) in composite resins to initiate the free radical polymerization in the presence of the light-sensitive initiator, such as camphorquinone.
33341
ProsthodonticsPorosity in heat-cured acrylic dentures can occur due to several factors, but the most significant cause in this context is the direct placement of the packed resin in water at high temperatures (100 degrees Celsius). When the packed resin is subjected to such conditions, it can lead to rapid polymerization and the formation of bubbles or voids within the material, resulting in porosity. This is because the heat causes the monomer to vaporize, and if the vapor cannot escape, it leads to trapped air pockets.
45999
RadiologyDouble intensifying screen and screen film are used in extraoral radiographs to reduce exposure time.
83878
General PathologyConjunctivitis is often associated with Sjögren's syndrome, which can cause oral mucosal swelling and xerostomia.
69804
State PSC PYQA zygomatic complex fracture, which involves the separation of the zygoma from its adjacent bones, often presents with a palpable step deformity along the infraorbital rim. This deformity is a key physical sign of the bone displacement. Battle's sign (bruising behind the ear) is typically associated with a base of skull fracture, not a zygomatic one. A deviated nasal septum relates to nasal injuries. Crepitus in the frontal bone is indicative of a frontal bone fracture.
47202
INI CET
Cephalometric analysis is a comprehensive tool used in orthodontics to evaluate dental arch symmetry, dental/skeletal relationships, and treatment planning.
70988
EndodonticsLateral condensation is considered the best method of gutta-percha condensation and is the gold standard technique. Advantages include: 1) Predictable and controllable technique, 2) Excellent apical seal when properly executed, 3) Suitable for most canal configurations, 4) Allows for incremental placement and evaluation, 5) Easy retrieval if retreatment is needed, 6) Well-researched with proven clinical success. While vertical condensation can provide excellent results in skilled hands, lateral condensation is more universally applicable and has the most extensive research supporting its effectiveness.
19376
PharmacologyThe cause of death with opioid intoxication is respiratory depression
68168
Dental AnatomyThe smallest and most inaccessible root canal-in the maxillary second molar is the distobuccal