A penta circle educed from the key restorative materials gi cs , composites, ceramics

Saturday, November 29, 20141

RESTORATION-WHY IS IT

IMPORTANT?

CARIES CONTROL-IS IT A TOUGH

ONE?

WHY MICROLEAKAGE OCCURS?

PATIENT TOLERANCE…WILL A

RESTORATION CONSUME MORE

TIME ?

ARE IMPLANTS SAFE?

FUNCTIONAL RESTORATION OF

TOOTH--CAN IT BE ACHIEVED TO

MATCH THE NATURAL TOOTH?

Saturday, November 29, 20142A PENTA CIRCLE EDUCED FROM THE KEY

RESTORATIVE MATERIALS

PATIENT

DENTIST TOOTH

Highly aesthetic

Time saving

Better

handling

properties

Anticariogenic

High strength



Giomer

Ormocer

CeromerNanobioceramic modified GICs

Smart materials



PRG

FILLER

PARTICLES

GIC +

COMPOSITE

POLYALKENOIC

ACID IS A PART

OF RESIN

MATRIX

PROTECTION

FROM

MOISTURE

LIGHT

ACTIVATED

REQUIRES

BONDING

AGENT

CONVENTIONAL

GICs(FLUORIDE

RELEASE AND

RECHARGE)

RESIN

COMPOSITE

(EXCELLENT

AESTHETICS,EASY

POLISHABILITY &

BIOCOMPATIBILITY)



GLASS IONOMER

AS THE BASEMODIFICATIONS

RESIN-MODIFIED

GICs -- which

discoloured

overtime

COMPOMERS--

which released much

less fluoride and

lacked recharge

ability

GIOMERS ---contained

resin-based pre-reacted

glass ionomer particles



EASY

POLISHABILITYSTRENGTH

OF

COMPOSITE

FLUORIDE

RELEASE

FLUORIDE

RECHARGE

HIGHLY

AESTHETIC

Retains smooth surface,

minimal surface staining

Fracture

resistant

Fluoride

reservoir

anticariogenic

Appealing

appearance



ACID

REACTIVE

FLUORIDE

CONTAINING

GLASS

POLY

ACID

LIQUID

A GLASS CORE SURROUNDED BY A

GLASS IONOMER PHASE ENCLOSED

WITHIN A POLYACID MATRIX

FLUORIDE

RESERVOIR(ANTI-

PLAQUE EFFECT)



FLUORIDE

• Improves acid resistance through the formation of fluorapatite, remineralizesdecalcified tooth substance and is antibacterial

STRONTIUM

• Improves acid resistance by forming strontiumapatite, inhibits dentin hypersensitivity and accelerates bone formation

ALUMINIUM

• Inhibits dentin hypersensitivity

SILICATE

• Aids in the calcification of bone



RESTORATION OF

ROOT CARIES,NON-

CARIOUS CERVICAL

LESIONS,CLASS V

CAVITIES,CLASS III

CAVITIES

BONDING OF

ORTHODONTIC

BRACKETS

PEDIATRIC

CARE AND

DECIDUOUS

CARIES

INDICATIONS



OR----Organically

MO----Modified

CER---Ceramic

IT COMPRISES

ORGANIC UNIT(ORGANIC POLYMER)

INORGANIC UNIT(GLASS CERAMIC)

INORGANIC-ORGANIC UNIT(POLYSILOXANE)



ORMOCER

ANTI-REFLECTIVE

AND SCRATCH

COATINGS

CORROSION

PROTECTION

DECORATIVE COATINGS

NON-STICK

COATINGS

FIBRE

COATINGSPASSIVATION

LAYERS



MONOMER RELEASE

LESS MONOMER RELEASE

FULLY POLYMERISED MATERIAL

SHRINKAGE IS REDUCED

WHY ORMOCERS ARE USED IN DENTISTRY?

MECHANICALLY STABLE

RESISTANT TO MASTICATORY STRESS LOAD

CHEMICALLY RESISTANT

HIGHLY AESTHETIC

BIOCOMPATIBLE



POLYMERISATION

SHRIKAGE IS

REDUCED TO

1.97%

HIGH

MARGINAL

INTEGRITY

SECONDARY

CARIES IS

PREVENTED

INDICATIONS: DIRECT RESTORATION FOR ALL TYPES OF

CAVITIES

COSMETIC VENEERS

PROTECTIVE SEALANT FOR CHILD TEETH

PROTECTIVE VARNISH AS CARIES

PROPHYLAXIS

ORTHODONTIC BONDING ADHESIVE

RESTORATION OF ATRAUMATIZED ANTERIOR

TEETH

PROCEDURES FOR ENHANCING AESTHETICS

REPAIR OF PORCELAIN OR ACRYLIC FACINGS



DURABLE

AESTHETIC

METAL-FREE

They are composed of specially developed, conditioned,

homogenous, 3-D fine particle ceramic fillers of sub-

micrometer size which are densely packed and embedded in

an advanced organic matrix with optimum light and heat

curing potential.

Polyfunctional groups contained in it provides high

level of cross-linking, resulting in enhanced strength of

the material.



CERAMIC(INORGANIC)

PHASE

RESIN(ORGANIC)

PHASE

DURABLE AESTHETIC

QUALITY

ABRASION RESISTANCE

HIGH STABILITY

ENHANCED POLISHABILITY

EFFECTIVE BOND WITH THE

LUTING AGENT

LOW DEGREE OF

BRITTLENESS



CERAMICS EVENTHOUGH IT HAS

MANY ADVANTAGES, IT IS

EXCESSIVELY HARD.

THUS,BEING

RESPONSIBLE FOR

UNDUE TRANSFER OF

FORCES TO THE IMPLANT

AS THE WEAR VALUE OF

CEROMER IS VERY CLOSE

TO NATURAL TOOTH,

IT DOES NOT ABRADE THE

NATURAL TOOTH AS THE

CERAMIC DOES.

AND MODULUS OF

ELASTICITY BEING

SIMILAR TO DENTIN,

CEROMER



It combines the aesthetics of ceramics with

the flexural strength and shade control of a

resin.

As the restoration is being fabricated

indirectly, polymerization shrinkage is easily

controlled. Also, interproximal form and

contacts are more accurately established.



INDICATIONS POSTERIOR BRIDGES

CROWNS

INLAYS

ONLAYS

VENEERS

CHOICE OF INDIRECT RESTORATIVE

MATERIAL-??CEROMER

The metal-free restoration with the flexural strength of a

PFM(1000Mpa). 99% polymerized.

Smooth self-polishing surface.

Safe over the implants.

Minimizes tooth intrusion in tooth-implant partial fixed

prosthesis.



NANOBIOCERAMIC

MODIFIED GICs

Incorporation of

bioactive Nano-

silica to GIC

Bioactive glass

Introduction of

TiO2

nanoparticles

Addition of

Hydroxyapatite(HA)

powders to GICs

Mechanical properties

and bond strength to

dentin were improved.



Glass Ionomer containing TiO2 nanoparticles possess a

potent antibacterial effect.

These components enable them to be used as a

posterior filling material.



TiO2 nanoparticles along with the glass

powder containing GLASS IONOMER

exhibits a higher degree of integrity,

Quicker intracellular damage of bacteria.

NO interference with the

fluoride releasing property

of GIC.



EFFECT OF INCORPORATION OF TiO2 NANOPARTICLES IN GICs

SMART

MATERIALS

SMART BEHAVIOUR WAS

REPORTED FOR THE FIRST TIME IN

GICs

BIOACTIVE GLASS CONTAINING

GIC IS EFFECTIVE FOR PATIENTS AT

HIGH CARIES RISK

TETRACALCIUM PHOSPHATE(TTCP)

RELEASES CARIES-INHIBITING

IONS(Ca AND P) AT A REDUCED pH

ACP HAS EFFECTIVE ACTION WHEN

BINDED INTO A RESIN MATRIX

BONE CEMENTS

TISSUE

ENGINEERING

SCAFFOLDS

DENTAL

MATERIALS

EXTRAORDINARY AESTHETICS

IS ACHIEVED USING SMART

CERAMIC SYSTEM



SMART COMPOSITES SMART CERAMICS



Many advancements have been made in restorative

dentistry so far. Every new material represents the state-of-

the art science . Improvised technologies have provided

satisfaction for both the patient as well as the dentist , but

the perfect replacement of tooth is still questionable …hence

alterations are being done to improve its longevity and

some of

those modifications are aforementioned by me.








RESTORATIVE MATERIAL28

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Clinical evaluation of giomer- and resin-modified glass ionomer cement in class V noncarious cervical lesions: An in vivo

study

Year : 2011 | Volume : 14 | Issue : 4 | Page : 409-413(original article)

S. M. Abdul Quader, M. Shamsul Alam, A K M Bashar, Abdul Gafur, M A Al-Mansur

Compressive Strength, Fluoride Release and Recharge of Giomer

Year:2012 (original article)

Leonardo Gonçalves Cunha, DDS, MScI; Roberta Caroline Bruschi Alonso, DDS, MScII; Paulo Henrique dos Santos, DDS,

MScIII; Mário Alexandre Coelho Sinhoreti, DDS, MSc, PhDIV. Comparative study of the surface roughness of Ormocer-

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Ibrahim M. Hamouda and Salah H. Shehata Shear Bond Strength of Ormocer-Based Restorative Material (research article)

ISRN Materials Science ,Volume 2011 (2011), Article ID 376097, 4 pages

Chul-Whoi Ku, DDS, MSDa, Sang-Won Park, DDS, PhDb, Hong-So Yang, DDS, PhDc

Comparison of the fracture strengths of metal-ceramic crowns and three ceromer crowns Journal of Prosthetic Dentistry

Volume 88, Issue 2, Pages 170–175, August 2002

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Material: A Review Year: 2013

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Health & Medicine

A penta circle educed from the key restorative materials gi cs , composites, ceramics