Bioflim
All of the following extrinstic factors may interfere with pellicle formation and maturation except:
1)Abrasive toothpaste
2)Whitening Product
3)Water
4)Intake of acidic food and beverages
3) Water
How long does it take for the acquired pecille adhered to the tooth?
a few seconds
What is the cationic charge of
Quaternary Ammonium Compounds
Cetylpyridium Chloride (CPC)?
positive
Which of the following is true regarding the pellicle?
1) It is primarily composed of glycoproteins
2)Its protein components are derived from water
3) It is a water soluble
4) It is readily visible
It is primarily composed of glycoprotiens
What are the stages in formation of biofilm?
1. formation
2. bacterial mulplication and colonization
3. matrix formation
4. biofilm growth
5. maturation
What are the adverse effects of Chlorhexidine ?
*Altered taste perception (transient effect)
*Staining of oral surfaces (teeth / tongue/ anterior composite restorations)
*Increase in supragingival calculus
Which of the following is a thin acellular, homogenus layer positioned between the calculus and the tooth surface?
1)Enamel
2) Pellicle
3) Dentin
4)Plaque
Pellicle
What are inactive ingredients in oral rinses?
1. Solvents
2. Humecants
3. Surfactants
4. flavoring agents
What is the active indegrdeint in Crest Pro-Health?
CPC
What is the role of EPS in biofilm formation?
Substance are compound secreted by microorganisms form a matrix for biofilm.
What is the active indegredient in Listerine antiseptic?
Essential Oils
What is substantivity?
The ability to of an agent to be bound to the pellicle and tooth surface and be released over a period of time with rentention of potency.
What is quorum sensing?
What is the Cationic charge of Chlorhexidine Gluconate 0.12% Rinse. (CHX/CHG)
postive