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Cosmetics Lec - K > Lab: Toothpaste > Flashcards

Lab: Toothpaste Flashcards

1
Q

“powder for rubbing the teeth”

A

-Dentrificum

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2
Q

fricare

A

to rub

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3
Q

Dentis

A

tooth

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4
Q

-Agent used with a toothbrush to clean and polish the accessible
surfaces of the teeth

A

TOOTHPASTE

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5
Q

TOOTHPASTE forms

A

paste, powder, gel or liquid

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6
Q

T/F: Liquid form is different from mouthwash

A

True

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7
Q

Most important toothpaste form

A

paste

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8
Q

It is the preferred dosage vehicle for special therapeutic
and cosmetic agents due to its rheological properties in the
form of paste.

A

Paste form

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9
Q

It has
an occlusive property unlike powders or liquids that are
easily washed off by the saliva

A

Paste form

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10
Q

-Liquid form is not __________

A

abrasive

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11
Q

a biofilm or mass of bacteria that grows
on surfaces within the mouth.

A

Dental plaque

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12
Q

also known as
tartar

A

into dental calculus

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13
Q

TOOTHPASTE COMPOSITION

A

Abrasive
Foaming Agents
Flavoring Agents
Sweetening Agents
Humectant
Binder/Gelling Agent/Thickener
Coloring Agent
Preservative
Special Additives

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14
Q

-Particle size is largely below 0.4 mm in diameter

A

Abrasive

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15
Q

Titanium dioxide
Insoluble phosphate, Dicalcium phosphate (dihydrate and anhydrous), calcium phosphate
Sodium bicarbonate (baking soda)
Calcium carbonate (Precipitated chalk)
Hydrated silica
Silicon oxide, aluminum oxide, granular polyvinyl chloride

A

Abrasive

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16
Q

-Typical dentifrices which have significant consumer acceptability
are the toothpaste having a high content of____________ abrasive
such as: __________ and ________

A

water-insoluble;
● Dicalcium phosphate
● Sodium monofluorophosphate 0.2% in aqueous humectant
base

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17
Q

● sodium lauryl sulfate(SLS),
● sodium dodecylbenzene sulfonate,
● magnesium lauryl sulfate,
● sodium lauryl sulfoacetate,
● dioctyl sulfosuccinate, and
● sodium coconut monoglyceride sulfonate

A

Surfactant

18
Q

peppermint, spearmint, wintergreen, cinnamon, mint,
thymol, menthol, clove oil, eucalyptol oil

A

flavoring agent

19
Q

Leave a residual freshness and cooling sensation

A

Flavoring agent

20
Q

-Sweetens the taste
-Non fermentable sugar

A

Sweetening agent

21
Q

sodium saccharin (most widely used),
sorbitol, mannitol, glycerin, acesulfame,
aspartame

A

Sweetening agent

22
Q

-Maintain moisture and consistency of paste by absorbing moisture
from air

A

HUMECTANT

23
Q

-Provides creamy base which resists drying out

A

HUMECTANT

24
Q

-Vehicle where other ingredients can be suspended or dissolved

A

HUMECTANT

25
Q

5 to 35%of total vehicle

A

HUMECTANT

26
Q

E.g. glycerol, 70% sorbitol, PG, PEG, mannitol

A

HUMECTANT

27
Q

-Maintains the PASTY consistency of the preparation

A

BINDER/ GELLING AGENT/ THICKENER

28
Q

Develops a cohesive structure with desired rheological properties

A

BINDER/ GELLING AGENT/ THICKENER

29
Q

hydrophilic colloids that disperse and swell in the water phase

A

BINDER/ GELLING AGENT/ THICKENER

30
Q

● synthetic cellulose derivatives (CMC, MC,HEC)
● alginates, such as sodium alginate;
● gums, such as xanthan gum;tragacanth
● carrageenan or calcium carrageenate
● carbomer;
● polyacrylates, clays (both natural processed bentonite and
synthetic clays).
● Precipitated silica

A

BINDER/ GELLING AGENT/ THICKENER

31
Q

Titanium dioxide, mica

A

Coloring agent

32
Q

-Toothpaste without _____________ are formulated with
preservatives (approx. 0.2% w/w) to prevent bacterial growth for
long term storage

A

ionic surfactants

33
Q

sodium benzoate, dichlorophene, ethyl and methyl
paraben; formaldehyde

A

PRESERVATIVE

34
Q

Low abrasive level / High humectant level

A

Type I Toothpaste

35
Q

High abrasive level / Low humectant level

A

Type II Toothpaste

36
Q

-Ribbon of substantial thickness

A
37
Q

Toothpaste _______ (does not penetrate/penetrates) -substantially into
the bristle of the brush upon standing

A

does not penetrate

38
Q

Toothpaste ________ (does not form/ forms) a string when finger is
pulled away from ribbon

A

does not form

39
Q

T/F: -Rheological properties affect aesthetic and functional attributes

A

True

40
Q

-Ideal rheological profile:

A

● Rigid gelatinous structure
● Becomes deformed and flowable with application of
minimal stress
● Reestablishes its original structure almost instantaneously

41
Q

QUALITY PARAMETERS

A

1.Spreadability
2.Extrudability
3.Foaming property
4.Flavor
5. Preservative Efficacy
6.Viscosity
7.Color
8.pH

42
Q

EFFICACY (PERFORMANCE) PARAMETERS

A

1.Antimicrobial activity
2.Whitening activity
-If the product claims to have a whitening effect
3.Hypersensitivity reduction
-If the product claims to be for sensitive teeth

Cosmetics Lec - K (13 decks)

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