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- 1. BY PUSHPENDU SARKAR UNDER GUAIDANCE OF DR. SANJAY PRASAD
ASSC. PROFESSOR DEPARTMENT OF PROSTHODONTICS AND CROWN AND BRIDGE
NORTH BENGAL DENTAL COLLEGE AND HOSPITAL HYDROXYAPATITE AND THEIR
USE AS COATING MATERIAL IN DENTAL IMPLANTS:-A REVIEW
- 2. What is DENTAL IMPLANT ? What is COATING IN DENTAL IMPLANT ?
What is HYDROXYAPATITE MATERIALS ? What are the advantages and
disadvantages to use Hydroxyapatite materials in dental implant ?
INTRODUCTION
- 3. WHAT IS DENTAL IMPLANT ?
- 4. A dental implant (also known as an endosseous implant or
fixture) is a surgical component that interfaces with the bone of
the jaw or skull to support a dental prosthesis such as a crown,
bridge, denture, facial prosthesis or to act as an orthodontic
anchor WHAT IS DENTAL IMPLANT ?
- 5. A coating is a covering that is applied to the surface of an
object, usually referred to as the substrate. And the materials
which is used in coating are called coating material. WHAT IS
COATING MATERIALS ?
- 6. HISTORICAL BACKGROUND STRUCTURE OF HYDROXYAPATITE CRYSTAL
CHEMICAL COMPOSITION OF HYDROXYAPATITE COMPARISON BETWEEN HUMAN
TOOTH ENAMEL AND STOICHOMETRIC HYDROXYAPATITE PHYSICAL PROPERTIES
OF HYDROXYAPATITE MATERIAL HYDROXYAPATITE COATING METHODOLOGY
ADVANTAGES OF HYDROXYAPATITE COATING DISADVANTAGES OF
HYDROXYAPATITE COATING CLINICAL SUCCESS AND FAILURE OF
HYDROXYAPATITE COATING HYDROXYAPATITE
- 7. HISTORICAL BACKGROUND
- 8. STRUCTURE OF HYDROXYAPATITE
- 9. Apatite serve as a host for many foreign ions , thus a large
number of other minerals can be expected. Hydroxyapatite ,
fluroapatite , chloroapatite conform to their empirical formula
Ca5(PO4)3(OH,F,Cl). Fluorine , chlorine ,hydroxyl group can be
mutually substituted. CHEMICAL COMPOSITION OF HYDROXYAPATITE
MATERIALS
- 10. CONSTITUENT STOICHIOMETRIC HA* (w/t%) Ca 39.90 P 18.50 OH
3.38 CHEMICAL COMPOSITION OF HYDROXY APATITE MATERIAL
- 11. COMPARISON BETWEEN HUMAN TOOTH ENAMEL AND STOICHOMETRIC
HYDROXYAPATITE CONSTITUENT HUMAN TOOTH ENAMEL(w/t%) Ca 36.40 P
17.80 OH ----- CO2 2.05 H2O