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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(
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!?