COMPARATIVE EVOLUTION OF HISTOLOGICAL EFFECT OF CALCIUM HYDROXIDE AND PORTLAND CEMENT AN CAT’S DENTAL PULP AS DIRECT PULP CAPPING

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ABDOH TABRIZI M.; SHARIFI DAVOUD; KADKHODAZADEH MAHDI

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Journal Paper

Paper Information

Journal: Journal of Dental School Year:2007 | Volume:25 | Issue:2 (72) Page(s): 182-187

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Information Journal Paper

Title

COMPARATIVE EVOLUTION OF HISTOLOGICAL EFFECT OF CALCIUM HYDROXIDE AND PORTLAND CEMENT AN CAT’S DENTAL PULP AS DIRECT PULP CAPPING

Author(s)

ABDOH TABRIZI M. | SHARIFI DAVOUD | KADKHODAZADEH MAHDI | Issue Writer Certificate

Keywords

CALCIUM HYDROXIDEQ2

PORTLAND CEMENTQ3

PULP CAPPINGQ3

Abstract

Background and Aim: Regardless of CALCIUM HYDROXIDE use as a PULP CAPPING material, in many cases the results were questionable and unsuccessful. Recently the PORTLAND CEMENT has been introduced as a PULP CAPPING material.The aim of this study was to compare the histological changes of cat's dental pulp after capping with CALCIUM HYDROXIDE and PORTLAND CEMENT.Methods & Materials: This study was experimentally done with histological observation. Ten healthy adults and coeval cats were selected. After keeping them in standard condition for two weeks, class III cavities on distal of canine teeth were prepared and the pulp was exposed. In each jaw, one pulp was covered with CALCIUM HYDROXIDE A and the other treated with PORTLAND CEMENT B. Two cats were sacrificed after one week and the others were sacrificed after two months. Samples were assessed for severity of inflammation, dentinal bridge formation, necrosis, hyperemia and calcification. The data were analyzed by Mann-Whitney U test.Result: In one week, samples were similar to each other. After two months, dentinal bridge formation was found in 3 samples (20 percent) of group A and in 9 samples (60 percent) of group B. Inflammation was seen in 13 pulps (86.7 percent) of group A and 6 pulps (40 percent) of group B. Necrosis areas in group A were found in 10 pulps (66.7 percent) and in 5 samples (33.3 percent) of group B. Calcification was seen in 4 pulps (26.7 percent) of group A and in 6 samples of group B. Also odontoblastic layer was seen in 3 samples (20 percent) of each group.Conclusion: PORTLAND CEMENT showed more dentinal bridge formation, less inflammation and necrosis in comparison with that of CALCIUM HYDROXIDE when used as a PULP CAPPING material (p< 0.05).

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