NEET MDS Shorts
20242
Dental Materials
Resin cements primarily achieve adhesion through micromechanical retention and chemical bonding.
63769
INI CET
A utility arch wire is designed to apply a specific force for deep bite correction. The primary function involves the intrusion of the anterior teeth (incisors) and potentially the extrusion of the posterior teeth to level the occlusal plane.
30129
Dental Materials
Compomers are known for their ease of use, being non-sticky, and simple to place and shape. They are a hybrid of glass ionomer and composite resin properties, offering good aesthetics and user-friendly handling.
31821
EndodonticsIn primary teeth, intrusion is common because alveolar bone is pliable. Primary teeth characteristics that predispose to intrusion: 1) The alveolar bone around primary teeth is more cancellous and flexible, 2) This pliable bone allows the tooth to be pushed deeper into the socket rather than being displaced laterally or avulsed, 3) The root structure of primary teeth also contributes to this pattern. While vertical overlap and lip protection may influence injury patterns, the primary factor is the pliable nature of the developing alveolar bone in children.
22307
Oral Medicine
Acetaminophen is primarily known for its analgesic and antipyretic (fever-reducing) effects. It is a common component in many over-the-counter pain relief medications.
32952
General PathologyHeterozygous sickle cell anemia provides protection against malaria due to the altered red blood cell environment that is less hospitable to the malaria parasite.
59939
Public Health DentistryAns. 2.. (Europe 1964 trade name Duraphat 25-75% caries reduction)
87737
ProsthodonticsTitanium alloys are commonly used in dental implants due to their favorable properties, including biocompatibility and mechanical strength. The density of titanium alloys is relatively close to that of human alveolar bone, which helps in achieving a good integration (osseointegration) between the implant and the bone. Other materials listed, such as chromium-cobalt and stainless steel alloys, have different densities and are not as compatible with bone in terms of density and biological response. Bioglass, while biocompatible, is not typically used as a structural implant material in the same way as titanium.
76675
Physiology
The pancreas secretes specific enzyme inhibitors, such as trypsin inhibitor, to prevent the premature activation of pancreatic enzymes in the pancreas itself. These inhibitors are degraded in the duodenum when the enzymes encounter the higher pH, allowing the enzymes to become active and participate in the digestion of food. Additionally, the presence of food in the intestine triggers the release of secretin, which stimulates the pancreas to secrete bicarbonate to neutralize acidic chyme and create an optimal environment for enzyme activity.
20888
RadiologyWaters view (occipitomental projection) is the best X-ray view for maxillary sinus evaluation. It provides excellent visualization of the maxillary sinuses without superimposition of other structures, allowing assessment of sinus pathology, fluid levels, and bony boundaries.