NEET MDS Shorts
21555
NEETMDS
In an epidemiological study, the index case refers to the first case that
comes to the attention of the investigator.
The primary case is the first case of a communicable disease introduced into the
population unit being studied, which may not always be the index case.
Secondary cases are those developing from contact with the primary case.
a) Primary case: refers to first case of a communicable disease introduced into
the population unit being studied.
b) Index case: refers to first case that comes to attention of the investigator.
Index case may not be the primary case always
c) Secondary cases are those developing from contact with primary case
50957
State PSC PYQNecrosis causes gingival recession, so attachment loss occurs without pocket formation.
22615
ProsthodonticsRetromolar area should be covered in CD or distal extension RPD in order to derive support from the underlying bone which is resistant to resorption.
11363
Oral SurgeryAnalgesics should be administered before the effect of local anesthesia wears off (preemptive analgesia). This approach prevents the establishment of pain pathways and provides better pain control than waiting for pain to occur. It ensures patient comfort during the transition from anesthetic effect.
66346
Orthodontics
SOLUTION Elgiloy (Cobalt-Chromium) alloy is supplied in a softer state and can be heat hardened.
After hardening heat treatment, the softest elgiloy becomes equivalent to regular stainless steel.
98831
Oral Medicine
Paget's disease is characterized by excessive and abnormal bone remodeling, which results in increased bone turnover. This increased turnover is reflected in the serum by high levels of alkaline phosphatase, an enzyme involved in bone formation. While calcium and phosphorus levels may be affected in some cases, the hallmark biochemical abnormality in Paget's disease is elevated alkaline phosphatase.
16474
Oral SurgeryThe elevators that employ both the lever and wedge principles during extraction of root tip are apex elevators and straight elevator.
45388
PedodonticsA concave mirror is commonly used by a dentist.
76052
EndodonticsInternal resorption in a vital symptomatic tooth requires complete pulpectomy to remove all pulp tissue causing the resorption. Pulpotomy would leave infected pulp tissue that continues the resorptive process.
92642
Oral and Maxillofacial Surgery
Class B impaction in Pell and Gregory's classification means that
the cusp tip of the impacted tooth is located between the occlusal plane of the
second molar and the cervical line of the second molar. This is a common
position for mandibular third molars.