Mechanical And Chemical Plaque Control

The Term Target hygiene refer to

• Clean the area of the dentogingival junction 

• Use of powered toothbrush 

• remove interdental plaque biofi 

Home irrigation is performed by aiming or placing the irrigation tip or a blunt syringe tip at least 

• 2 mm. into the periodontal pocket

• 3 mm into the periodontal pocket

• 4 mm into the periodontal pocket

A major shortcoming of the conventional flat‐trim toothbrushes

• Short bristles

• Hard bristles

• Blocking effect

The measurement of the contact time between the agent and the substrate in a defined medium is

• Safety

• Substantivity

• Specificity

chlorhexidine sustained antimicrobial effects is up to

• 12 hours

• 8 hours

• 16 hours

An agent in toothpaste act as anticalculus

• Triclosan

• sodium lauryl sulphate

• Sodiumpyrophosphate