Toilet of the cavity

TOILET OF THE CAVITY: This is the act of freeing the preparation walls and margins from objects that may interfere with proper adaptability and behavior of the restorative material. It comes under Coronal Cavity preparation principles which include other principles like – Outline form, Convenience form, Removal of any remaining caries and ...Read More

Finishing of the Cavity walls

FINISHING OF THE CAVITY WALLS: It is the further development, when indicated, of a specific cavosurface design and degree of smoothness that produces the maximum effectiveness of the restorative material being used. OBJECTIVES: To create the best marginal seal possible between the restorative material and the tooth structure. Afford a smooth marginal ...Read More

PULP PROTECTION in Cavity Preparation

PULP PROTECTION: Though not taken in principles of cavity preparation it is one of the important steps before final restoration. Pulpal injury can result due to: Heat generated by injudicious cutting. Restorative material with good thermal conductivity. Chemical from the restorative materials. Galvanic currents Microleakage. Liners and bases are used fro pulp ...Read More

Removal of Remaining Carious Dentin or Old Restoration

REMOVAL OF REMAINING CARIOUS DENTIN OR OLD RESTORATIONS: It is the elimination of any infected carious tooth structure or faulty restorations left in the tooth after initial cavity preparation. Caries left in the pulpal/ axial floor is excavated thoroughly making the cavity deeper. 0.75- 1 mm of dentin should cover the pulp. ...Read More

Convenience Form in Cavity Preparation

CONVENIENCE FORM Definition: Convenience form is defined as that form of cavity preparation that allows adequate observation, accessibility and case of operation in preparing and restoring the cavity. Modification in tooth preparation for convenience form: Occlusal step in classII. Labial/lingual access for classIII/classIV. Occlusal divergence of cavity walls in cast restorations. INSTRUMENT ...Read More

Steps to obtain proper Retention form in Cavity Preparation

RETENTION FORM: Retention form is that form of cavity that best permits the restoration to resist displacement through tipping or lifting forces, especially masticatory loading. PRINCIPAL MEANS OF GAINING RETENTION: Inverted truncated cones or undercuts. Dovetail. Elastic deformation of dentin e.g. gold foil. Friction – which depends on surface area, opposing walls ...Read More

Outline Form in cavity preparation

OUTLINE FORM: G .V. Black has described the outline form as being “the form of the area of the tooth surface to be included within the outline or enamel margins of the finished cavity”. It is the placement of cavity margins in the positions they will occupy in the final preparation, except ...Read More

Cavity Preparation in Dentistry

Definition: The orderly operating procedure required to remove diseased tissue and establish in a tooth the biomechanically acceptable form necessary to receive and retain a restoration. (Boucher’s Clinical Dental Terminology): An operation in which carious material is removed from teeth and biomechanically correct forms are established in the teeth to receive and retain ...Read More

FDI & Wrigley Photographic Award 2009

The FDI and Wrigley have come together for a noble cause where Wrigley have come forward to donate $25 to $25,000 for the FDI’s World Dental Development Fund (WDDF), which supports oral health education and projects worldwide. The Wrigleys WHOP – Wrigleys Oral health Program wants your help to do it, in which ...Read More

Leukaemia

Leukaemia also known as Blood Cancer is charecterized by abnormal increase in the number of Leucocytes which are also known as the White blood cells, due to the increased proliferaton of these cells. Classification of Leukaemia: Acute Chronic The Acute and Chronic are further Classified as Acute: Lymphoid (Lymphoblastic) Myeloid (Myelogenous) Chronic: ...Read More

Anemia

Anemia is defined as the condition in which the level of Red Blood Cells (RBC)  or the Haemoglobing levels are below their normal values, sometimes it also includes the decrease in the ability of the RBS to carry Oxygen due to Deformity in shape (Sickle Cell Anemia) or due to decrease in ...Read More

Dental Instruments

Dental Instruments are the Tools used by the Dental Professionals to perform Dental Treatment, these instruments / Tools are used in performing many dental procedures like: Examination Manipulation Restoration Extraction Prevention (Steralization instruments) The 9 Different branches of Dentistry which are being studied have all a different set of instruments which some ...Read More

Is AIDS Finally Conquered | Is AIDS Cure on the Way

AIDS the most dreaded disease in the world without any cure is being studied extensively all around the world as due to AIDS there are many diseases which are surfacing due to the decrease in immunity such as Tuberculosis, which was brought under control and thanks to AIDS it is again becoming ...Read More

H1N1 FLU (Swine Flu) Precautions For Dental professionals

Swine Flu which is invading the world like an epidemic has become a great problem for the medical as well as the dental professionals who are in constant contact with many different kinds of patients with variety of conditions. First lets know what H1N1/ Swine Flu is: What is H1N1 Flu? H1N1 ...Read More