Video shows the Class I preparation

Here a video shows the Class 1 preparation :

Class I Cavity preparation & restoration on Maxillary 1st Molar

Class I Cavity preparation & restoration on Maxillary 1st Molar

Figure 1
Occlusal view of Maxillary 1st molar (16) .

Figure 2

Showing extent of cavity

Fissure extensions extend halfway(red dot) from pit to occlusal surface outline.
Dovetails are kept 1mm inside the Marginal ridge (green line)

Figure 3
Class 1 cavity outline based on above landmarks.

Figure 4

Initial depth cuts.

Initial depth cuts are made with a small round bur to a depth of 1mm.
Location : Central , Mesial and Distal fossa.

Figure 5
Initial Cavity preparation.
Depth : 2mm.
Note : Bur is kept perpendicular to long axis of tooth .

Figure 6
Final cavity preparation with cavity walls having tapers and inverse tapers.See Fig 7 also .

Figure 7
Cavity Walls marked in Black are kept parallel to each other and perpendicular to floor of Cavity.
Cavity Walls marked in Green have been prepared with Taper.
Cavity Walls marked in Red have been prepared with Inverse taper.

Figure 8
Base Application.
Zinc Phosphate cement base of thickness 0.5 mm has been applied to Floor of the cavity.
Note: Care is taken to remove traces of cement from cavity walls.

Figure 9
Properly triturated Amalgam .

Figure 10
Amalgam being condensed into cavity with Amalgam condenser.
Note the serrations of the Amalgam condenser on the surface.

Figure 11
Appearance of Filling after Burnishing and Carving to the appropriate occlusal form.
Note :Amalgam does not extend beyond cavity outline.

Figure 12

Final appearance of filling after finishing and polishing.

The Importance of Restorative Dentistry

If the term sounds unfamiliar to you, then you may have not yet experienced any need for it. To give you an idea, Restorative Dentistry is all about providing medical attention and assistance to all the patients that need oral work or procedures done on their teeth, gums or any other area of the mouth.

Every person who visits the dentist goes there with two specific things in mind. It’s time for their bi-annual check-up to ensure that all their teeth are in proper working condition, or there is something aching or wrong with their teeth that needs to be addressed. If there is a disease or a complex dental problem, Restorative Dentistry will ascertain the situation and provide a viable solution. As the name suggests, the aim is to “restore” the normal function and appearance of the teeth. Restorative Dentistry is available for individuals who require some form of dental work and additional care is required.

What is Operative Dentistry ?

OPERATIVE IN DENTISTRY :

1. that branch of the healing arts concerned with the teeth and associated structures of the oral cavity, including prevention,diagnosis, and treatment of disease and restoration of defective or missing teeth.

2. the work done by dentists, e.g., the creation of restoration, crowns, and bridges, and surgical procedures performed in andabout the oral cavity.

3. the practice of the dental profession collectively.

operative dentistry dentistry concerned with restoration of parts of the teeth that are defective as a result of disease, trauma,or abnormal development to a state of normal function, health, and esthetics.

pediatric dentistry the branch of dentistry that deals with teeth and mouth conditions of children.

preventive dentistry dentistry concerned with maintenance of a normal masticating mechanism by fortifying the structures ofthe oral cavity against damage and disease.

prosthetic dentistry prosthodontics.