Intro To Dermal Fillers And How Fo Inject Them

Question 1

What are dermal fillers for?

Answer 1

Dermal fillers are products injected under the skin to replace or augment volume in a way that aims to improve the aesthetics of the face

Question 2

What is hyaluronic acid?

Answer 2

Hyaluronic acid is a ubiquitous carbohydrate found in the human body
(A natural sugar which will be broken down naturally over time)

Question 3

What is hyaluronic acid main function?

Answer 3

It’s main function is to retain water to keep your tissues well lubricated and moist

Question 4

What is hyaluronic acid made up of?

Answer 4

Alternating units of 1,4 linked N-acetylglucosamine and glucuronic acid

Question 5

What is the half life of HA?

Answer 5

24-36 hours in the skin

As we age the production slows but the half life remains the same, this forms part of the reason there is a decrease in the skin volume

Question 6

What are some properties of HA?

Answer 6

1) a high degree of elasticity
2) excellent lubricating properties
3) easily becomes quickly integrated with native collagen and elastin
4) ability to hold 1000x its own weight in water

Question 7

How long does filler last?

Answer 7

6-12 months

As it is cross linked

Question 8

How does filler stay where you put it?

Answer 8

It interstates with native tissues

Question 9

What do you use to revise HA fillers?

Answer 9

Hyaluronidase- a product which is used to break up long chains

Question 10

What are fibroblasts?

Answer 10

Fibroblasts are the cells in the skin which make collagen

Question 11

Dermal filler stretches fibroblasts, how is this a benefit?

Answer 11

it stretches the cells in the skin that make collagen, in a way which causes them to create new collagen

The new collagen would contribute to the reduction of the appearance of creases and wrinkles

Question 12

What will happen if you inject into the papillary dermis? (Too superficial)

Answer 12

The filler will be visible and can discolour the skin

Question 13

Where would you inject for
A) fine lines
B) medium wrinkles
C) deep wrinkles

Answer 13

Deep lines- Lower dermis
Medium wrinkles- mid dermis
Fine lines- superficial dermis

Question 14

What are the layers of the skin?

Answer 14

Epidermis
Dermis
Fat

Question 15

How would you know if your too shallow?

Answer 15

If the skin is blanched and without lifting (paler/white)

DO NOT INJECT- too superficial and the filler will be visible

Question 16

How to know if your at the correct depth for fine lines?

Answer 16

If you lift tho r needle and can clearly see the shape of the needle as a defined line (which may be blanch- but only when lifting) you are in the right depth for a low viscosity filler to treat a fine line

Question 17

How to know if your at the right depth for deep lines?

Answer 17

If you lift and see a rough shape of the needle but it is very defined you are about right for a deeper line or volume replacement

Question 18

How would you know if your too deep?

Answer 18

If all you see is the skin lifting generally, you are likely deep in subcutaneous fat which is not optimal