oral films

Question 1

what is the primary cuticle?

Answer 1

remnants of tooth development
normally worn away by brushing
made up of amelo blast cells
attracts plaque and stain

Question 2

what is material alba?

Answer 2

found in mouths with poor OH
residue of decomposing foods and cells
feeds plaque
can be displace by 3in1

Question 3

what is the acquired salivary pellicle?

Answer 3

acellular
forms on teeth within seconds of cleaning
derived from salivary glycoproteins

Question 4

what protective functions does the pellicle have?

Answer 4

gylcoproteins and calcium phosphate from saliva are adsorbed to tooth surface making it resistant to tooth wear
restricts diffusion of acid from sugar breakdown
contains antibacterial factors

Question 5

what antibacterial factors does the pellicle have?

Answer 5

IgG,A,M- antibodies, first line of defense
complement- community of proteins in response to pathogen
lysozomes- enzyme attacks cell wall of pathogens