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Chapter-14 Access Cavity Preparation

BOOK TITLE: Textbook of Endodontics

Author
1. Garg Nisha
2. Bogra Poonam
ISBN
9789380704234
DOI
10.5005/jp/books/11355_14
Edition
2/e
Publishing Year
2010
Pages
14
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. DAV Dental College, Yamuna Nagar, Haryana, DAV Dental College, Yamuna Nagar, Haryana, India
Chapter keywords

Abstract

Access cavity preparation is defined as endodontic coronal preparation which enables unobstructed access to the canal orifices, a straight line access to apical foramen, complete control over instrumentation and to accommodate obturation technique. The main objective of the access cavity preparation is to create a smooth, straight line access to the canal system and the apex. The optimal access cavity results in the straight entry into the canal orifices with line angles forming a funnel which drops smoothly into the canals. Any improperly prepared access cavity can impair the instrumentation, disinfection and therefore obturation resulting in poor prognosis of the treatment. Sometimes depending upon the location and number of canals, modification of the outline form may be needed.

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