Overview: Dental restoration has taken up dental composites as it is handier and gives a more esthetic look. However, taking care of what percentage of composites and with what thickness it has makes it more convenient to use. One has to know the problems associated with composite usage.

1. Dental Composites & Dental
Restoration go hand in hand

2. Overview
Dental restoration has taken up dental composites as it is handier and gives a
more esthetic look. However, taking care of what percentage of composites and
with what thickness it has makes it more convenient to use. One has to know the
problems associated with composite usage.

3. What is known as Dental Restoration?
Dental restoration also is known as Dental Fillings is the
treatment to restore the tooth that either has a cavity or
has undergone any dental procedures which have created a
hole in the tooth.
For dental restoration, the materials used are known as
amalgams or composites.

4. What are Dental Composites?
Dental composites are the materials used for the restoration of the teeth. These are
resin-based composites that add more value to the aesthetics of the tooth. They are
also used for cosmetic improvements i.e. used for changing the colour of the tooth or
reshaping the disfigured teeth.
The composites are divided into four types based on their consistency, hardness, and
softness those are:
 Microhybrid composites
 Micro-filled composites
 Nano-filled composites
 Nano-hybrid composites
Nano-hybrid composites are the most preferred composite restoratives as they are
soft and easily can get into any kind of cavity and fill in the gaps as well. In the case
of nano-hybrid, there is the least chance of internal gaps.

5. What are the main points related to
Composite Restoratives?
Composite restoratives should have high functionality, quality, efficiency,
and durability.
The composites should have the following properties:
 Aesthetically Functional
 Replicating Anatomic Form
 Shape
 Colour

6. What are the main key points to take care of
while performing restoration of the tooth?
Before starting the restoration process one has to take care of the following
things:
 Chief complaint: The dentist must know what exactly the patient’s
requirement is.
 Tooth Isolation: If the tooth is isolated or not so that it prevents
contamination of other teeth. It helps in preventing bond failure as well.
 Tooth Anatomy: Tooth anatomy or tooth preparation plays a major role in
restoration. The cavity should be cleaned properly so that no caries are left
and there are no sharp internal angles.
 Material Science: The material of the composite should be versatile, should
be active in moisture control. Film thickness should be low and the composite
must be active in spreading and tubule penetration.

7.  Etching & Bonding: Bonding and etching are the most important parts of the
whole restoration process. If usage of proper composite resin and the time
span for etching is all a dentist much be thorough about. Bonding and etching
make the interior of the tooth hydrophobic from hydrophilic making the
bonding composite more compatible for the tooth.
 C-Factor: C-Factor is also known as Configuration Factor. Higher the c-factor
there is more chance of polymerization shrinkage.
 Polymerization: The reaction and the settling of the composite resin, after
the light cure procedure is done. In this phase, it is necessary to keep an eye
if there are chances of shrinkage which could cause further problems.
 Finishing & Polishing: Giving a final touch by polishing the teeth with the
appropriate diamond or carbide bur and polishing it for better aesthetic look
and reduction of plaque formation.

8. What are the problems associated with
Composites/Restoratives?
The most common problems associated with composite restoratives are:
 Sensitivity
 Discolouration
 An unexpected failure such as marginal staining, micro-leakage, enamel
cracks, and sometimes internal gaps as well.
However, polymerization shrinkage tops the problem list which leads to various
other dental issues such as tooth decay and staining.

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