Introduction to Dental

Materials

Mohammad AL-Rabab’ahAssistant Professor-Department of Conservative Dentistry

BDS, Statutory exam (UK), MFD RCS Ire, MRD RCS Ed, PhD.

)Fixed and Removable Prosthodontics(

•malrababah@ju.edu.jo

AIM

•To give a brief introduction about the

science of dental materials (DM)

Objectives

•To give a simplified definition of science of DMs .

•To give a brief history of DMs development.

•To convince you of the importance of DMs science.

•To introduce major categories and clinical applications

Definition

•An interdisciplinary area that applies

biology, chemistry, and physics to the

development, understanding, and

evaluation of materials used in the practice

of dentistry; principally involved in

restorative dentistry, prosthodontics,

pedodontics, and orthodontics .

PhysicsDENTALMATERIALSSCIENCE

Chemistry

Biology

•Middle age

الزهراويالرازي

History of DM

Early history: •Gold structure of the Phoenicians.

Phoenician Dental Art by Don Clawson. Berytus Archaeological Studieshttp://www.cartage.org.lb/en/themes/geoghist/histories/oldcivilization/phoenicia/denistry/dentstry.html

•Hippocrates used gold wire ligature.

•Filling of carious teeth involved use of Lint,

Lead

•Cadaver or animal teeth used for

replacement!

Renaissance and enlightenment age: •Lost wax technique by Benvenuto Cellini

1558 Fonzi: Porcelain teeth

•Taveau: first to prepare amalgam

) Silver paste.(

•The American Journal of Dental Sciences

1839 .

Why we need to study DM?

•Hyena OR

Crocuta Crocuta

With its teeth Hyena can crush the prey bone and chew them up into abite-sized pieces!!!.

•But what about

human teeth

-Oral environment

* Temperature

* Saliva and fluids

* Micro-organisms

* Occlusal forces

Why we need to study DM

Why we need to replace

missing tooth

structure/ teeth

•Appearance

•Function

•Any other reasons?

•So why weneed to study

DM!?