Gypsum products in Dentistry | All about Dental Gypsum | Dr. Shaikh

In this video, Dr. Shaikh explains everything that you need to know about Dental Gypsum, starting from properties, types, mixing and setting characteristics of Gypsum, Chemical reaction of Gypsum, Chemical formula of Gypsum, Process of Calcination, Slump Test and Core penetration test used to measure the initial and final setting time of Gypsum, discussion about Gillmore and Vicat needle apparatus, Setting expansion of Gypsum, Hygroscopic expansion of Gypsum, and much more.
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Timestamps:
0:00 Intro
1:05 Availability of Gypsum
1:27 Question for you
2:01 What is a Study model?
2:08 What is a cast?
2:28 What is a die?
3:17 Ideal properties of Gypsum
4:09 Gypsum rock
4:58 Chemical formula of Gypsum products
5:02 Calcination
7:00 Manipulation of Gypsum
7:37 W/P Ratio of Gypsum
8:05 Porosities and Mixing of Gypsum
9:36 Measuring Fluidity of Gypsum
9:50 Slump Test
10:30 Core Penetration Test
11:11 Mixing of Gypsum
13:09 Setting of Gypsum
14:00 Effect of Setting Characteristics of Gypsum
14:28 What is Anhydrite?
15:19 Gillmore Needles used to test Setting of Gypsum
16:13 Vicat Needles
17:04 Setting Reaction of Gypsum
17:54 Setting Expansion of Gypsum
18:20 Hygroscopic Expansion of Gypsum
19:01 How to measure Setting Expansion of Gypsum
19:25 Factors that control the Setting time of Gypsum
20:08 What happens when solubility of hemihydrate is increased?
21:58 Properties of Dental Gypsum after Setting
25:59 Applications of Dental Gypsum
Take this Quiz on Dental Gypsum after you finish watching the video:
forms.gle/jfuuQyv9DjUN1BcJ9
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Image and Media sources (These images and media sources have been taken
from the internet for the ease of explanation and I do not own any of them):
Gillmore needle apparatus:
materials.measur.ca/products/...
Vicat needles and Vicat apparatus:
royalcivils.com/vicat-apparatus/
Vicat needle and Gillmore process:
• XU CE14 - Sec B2 | Grp...
Gillmore needle test:
• Time of setting of hyd...
Slump test:
• Formulated Materials T...
Gypsum mixing:
• Dental Plaster | Manip...
Gypsum mixing porosities:
• Mixing and Pouring Den...
Extensometer:
images.app.goo.gl/EdUzBx5Vr3k...

[@TheDentalistt]

Take this Quiz on Dental Gypsum after you finish watching the video:
forms.gle/jfuuQyv9DjUN1BcJ9

[@leena2888]

Reading Mc Cabe becomes super easy after watching your videos . Hats off to you 👏

[@TheDentalistt]

@@leena2888 thanks 🙏

[@hayafatima9889]

You are teaching in a very gentle way. Thankyou sir for this lecture of dental materials…. Best videos to easily understand the topic gypsum ❤

[@TheDentalistt]

Thank you so much. The next video is going to be about Dental Waxes, coming up very soon 😊

[@TheDentalistt]

Take this Quiz on Dental Gypsum after you finish watching the video:
forms.gle/jfuuQyv9DjUN1BcJ9

[@user-tb4gm1sx9c]

Sir you are teaching very well ❤️‍🩹
Plzz keep on teaching
Your videos are life saver in my dentistry subject
May Allah bless you and your family

[@TheDentalistt]

Thank you so much for your feedback. More videos coming very soon 😊

[@TheDentalistt]

Take this Quiz on Dental Gypsum after you finish watching the video:
forms.gle/jfuuQyv9DjUN1BcJ9

[@hayafatima9889]

Alginate impressions are use for negative replicas

[@TheDentalistt]

Very good! 💯% correct

[@TheDentalistt]

Take this Quiz on Dental Gypsum after you finish watching the video:
forms.gle/jfuuQyv9DjUN1BcJ9