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All Subjects - 3 Questions
Benzalkonium chloride belongs to which category of disinfectants 1) Phenolic compounds 2) Quaternary ammonium compounds 3) Biguanides 4) Essential oils
Benzalkonium chloride belongs to the class of quaternary ammonium compounds, also known as QACs. These compounds work as disinfectants by disrupting the cell membranes of microorganisms, leading to cell leakage and death.
The main purpose of boxing an impression is to preserve the border width after border molding.
Neonatal line in dentin:1). Accentuated incremental line at birth separating prenatal and postnatal dentin2). Daily line3). Line due to caries4). Line due to fluorine
The neonatal line is seen in all deciduous teeth and permanent first molars that start calcification before birth. It is due to the change in environment and nutrition at birth.
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