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Chapter-46 Microleakage

BOOK TITLE: Review of Endodontics and Operative Dentistry

Author
1. Garg Nisha
2. Garg Amit
ISBN
9788184483864
DOI
10.5005/jp/books/10735_46
Edition
1/e
Publishing Year
2008
Pages
2
Author Affiliations
1. Ex-Resident, Government Dental College, Patiala, Presently at, Manav Rachna Dental College, Faridabad, Haryana, India, Manav Rachna Dental College, Faridabad, Haryana, India, Government Dental College, Patiala, Sri Sukhmani Dental College and Hospital, Dera Bassi, Mohali, Punjab, India, Bhojia Dental College and Hospital, Baddi, Himachal Pradesh, India
2. Government Dental College, PGIMS, Rohtak, Haryana, India, Manav Rachna Dental College, Faridabad, Haryana, India, Sri Sukhmani Dental College and Hospital, Dera Bassi, Mohali, Punjab, India, Fortis Escorts Heart Institute, New Delhi, India
Chapter keywords

Abstract

Microleakage may be defined as ‘the ingress of bacteria, its products, toxins, molecules, oral fluids and ions between the margins of the restoration and the walls of the prepared tooth.’ it can result in secondary/recurrent caries, pulpal irritation, postoperative sensitivity and marginal discoloration. Microleakage usually results if the difference between Coefficient of thermal expansion of tooth substance and restorative material is more, if there is polymerization shrinkage and because of improper cavity preparation, poor condensation procedures, and inadequate cavosurface margins.

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