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Cavity preparation using a superpulsed 9.6-microm CO2 laser--a histological investigation.


Müllejans, R; Eyrich, G; Raab, W H M; Frentzen, M (2002). Cavity preparation using a superpulsed 9.6-microm CO2 laser--a histological investigation. Lasers in Surgery and Medicine, 30(5):331-336.

Abstract

BACKGROUND AND OBJECTIVES: The superpulsed 9.6-microm CO(2) laser is an effective laser for ablating dental tissues and decay. This histological study compares laser class V preparations with conventional treatment to evaluate the resulting formation at the cavity walls. STUDY DESIGN/MATERIALS AND METHODS: Four class V preparations (one made with a diamond drill and three with the CO(2) laser (9.6 microm, 60 microseconds pulse width, 40 mJ pulse energy, 100 Hz, integrated scanner system, water cooling) were performed on ten extracted teeth. The cavities were filled with a composite resin partly including enamel and dentine conditioning. RESULTS: After laser preparation, no cracks or signs of carbonisation were detected. The results were comparable to those attained with conventional treatment. Following cavity filling without prior conditioning, gaps were noted at the cavosurface indicating a lack of adhesion. Dentinal bonding decreased gap formation significantly. CONCLUSION: The 9.6-microm CO(2) laser is an effective tool for cavity preparation.

Abstract

BACKGROUND AND OBJECTIVES: The superpulsed 9.6-microm CO(2) laser is an effective laser for ablating dental tissues and decay. This histological study compares laser class V preparations with conventional treatment to evaluate the resulting formation at the cavity walls. STUDY DESIGN/MATERIALS AND METHODS: Four class V preparations (one made with a diamond drill and three with the CO(2) laser (9.6 microm, 60 microseconds pulse width, 40 mJ pulse energy, 100 Hz, integrated scanner system, water cooling) were performed on ten extracted teeth. The cavities were filled with a composite resin partly including enamel and dentine conditioning. RESULTS: After laser preparation, no cracks or signs of carbonisation were detected. The results were comparable to those attained with conventional treatment. Following cavity filling without prior conditioning, gaps were noted at the cavosurface indicating a lack of adhesion. Dentinal bonding decreased gap formation significantly. CONCLUSION: The 9.6-microm CO(2) laser is an effective tool for cavity preparation.

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14 citations in Web of Science®
18 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Cranio-Maxillofacial Surgery
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2002
Deposited On:11 Feb 2008 12:23
Last Modified:05 Apr 2016 12:19
Publisher:Wiley-Blackwell
ISSN:0196-8092
Publisher DOI:https://doi.org/10.1002/lsm.10063
PubMed ID:12116324

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