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A survey on the use of composite resin in Class II restoration in Korea


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A survey on the use of composite resin in Class II restoration in Korea

Article information

Restor Dent Endod. 2009;34(2):87-94
Publication date (electronic) : 2009 March 31
doi : https://doi.org/10.5395/JKACD.2009.34.2.087
Dong-Ho Shin, Se-Eun Park, In-Seok Yang, Juhea Chang, In-Bog Lee, Byeong-Hoon Choorcid_icon, Ho-Hyun Son
Department of Conservative Dentistry, School of Dentistry, Seoul National University, Seoul, Korea.
Corresponding Author: Ho-Hyun Son. Department of Conservative Dentistry, School of Dentistry, and Dental Research Institute, Seoul National University, 28-2 Yeongun-dong, Chongro-gu, Seoul, Korea 110-749. Tel: 82-2-2072-2652, Fax: 82-2-2072-3859, hhson@snu.ac.kr
Received 2008 October 17; Revised 2008 October 31; Accepted 2008 December 10.

Abstract

The purpose of this study was to assess the current materials, methods and difficulties according to the year of licence and educational background of Korean dentists in Class II direct composite resin restorations.

Total 17 questions were included in the questionnaire. Questions were broadly divided into two parts; first, operator's information, and second, the materials and methods used in Class II posterior composite restoration. The questionnaire was sent to dentists enrolled in Korean Dental Association via e-mail. Total 12,193 e-mails were distributed to dentists, 2,612 e-mails were opened, and 840 mails (32.2%) were received from respondents. The data was statically analyzed by chi-square test using SPSS(v. 12.0.1, SPSS Inc, Chicago, IL, USA).

Male dentists among respondents was 79%. 60.3% of the respondents acquired their licences recently (1998-2007), and 77% practiced in private offices. 83.4% have acquired their knowledge through school lectures, conferences and seminars.

For the Class II restorations, gold inlays were preferred by 65.7% of respondents, while direct composite resin restorations were used by 12.1% amalgam users were only 4.4% of respondents.

For the restorative technique, 74.4% of respondents didn't use rubber dam as needed. For the matrix, mylar strip (53.4%), metal matrix (33.8%) and Palodent system (6.5%) were used. 99.6% of respondents restored the Class II cavity by incremental layering.

Obtaining of the tight interproximal contact was considered as the most difficult procedure (57.2%) followed by field isolation (21%).

Among various bonding systems, 22.6% of respondents preferred SE Bond and 20.2% used Single Bond. Z-250 was used most frequently among a variety of composite resins.

Keywords: Korean dentist; E-mail survey; Class II cavity restoration; Composite resin; Adhesive dentistry

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Article information Continued

Copyright © 2009 The Korean Academy of Conservative Dentistry
(open-access) :

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Figure 1

Figure 1

Type of dental clinic in respondents

Figure 2

Figure 2

Gender distribution of respondents

Figure 3

Figure 3

Use of dentin adhesive system in Korea

Figure 4

Figure 4

Use of composite resin in Korea

Table 1

Number and rate(%) of respondence

Table 1

Table 2

Sources of knowledge acquisition for composite resin restoration

Table 2

Table 3

Material preference in Class II cavity restoration

Table 3

Table 4

Methods of Class II direct resin restoration

Table 4

Table 5

Difficulties in Class II direct resin restoration

Table 5

Table 6

Type of dentin adhesive system

Table 6

SBMP : Scotchbond Multi-Purpose (3M Dental, St Paul, USA), All Bond 2 (Bisco Inc., IL, USA)

Prime & Bond NT (Dentsply, Konstanz, Germany), Single Bond (3M Dental, St Paul, USA)

SE Bond (Kuraray Co., Osaka, Japan), Z-100, Z250, Z-300 (3M Dental, St Paul, USA)

Gradia (GC, Tokyo, Japan), Tetra Ceram (Ivoclar Vivadent, Schaan, Liechtenstein)