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| Year : 2015 | Volume
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| Issue : 3 | Page : 269-270 |
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| An innovative approach for rubber dam isolation of root end tip: A case report |
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Sunandan Mittal1, Tarun Kumar1, Shifali Mittal2, Jyotika Sharma2
1 Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
2 Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
Click here for correspondence address and email
| Date of Submission | 29-Sep-2014 |
| Date of Decision | 19-Jan-2015 |
| Date of Acceptance | 24-Feb-2015 |
| Date of Web Publication | 19-May-2015 |
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 Abstract | | |
The success of an apicoectomy with a retrofilling is dependent upon obtaining an acceptable apical seal. The placement of the variously approved retrograde materials requires adequate access, visibility, lighting, and a sterile dry environment. There are instances, however, in which it is difficult to use the rubber dam. One such instance is during retrograde filling. This case report highlights an innovative technique for rubber dam isolation of root end retrograde filling. Keywords: Apicoectomy; retrofilling; rubber dam
How to cite this article:
Mittal S, Kumar T, Mittal S, Sharma J. An innovative approach for rubber dam isolation of root end tip: A case report. J Conserv Dent 2015;18:269-70 |
How to cite this URL:
Mittal S, Kumar T, Mittal S, Sharma J. An innovative approach for rubber dam isolation of root end tip: A case report. J Conserv Dent [serial online] 2015 [cited 2023 Mar 21];18:269-70. Available from: https://www.jcd.org.in/text.asp?2015/18/3/269/157271 |
| Introduction | |  |
The success of an apicoectomy with aretrofilling is dependent upon obtaining an acceptable apical seal. [1] The placement of the variously approved retrograde materials requires adequate access, visibility, lighting, and a sterile dry environment.
Ideally, it would be wonderful if a rubber dam could be applied to the apex of a tooth and the reverse fill placed under the dry, clean conditions the dam offers.
Use of rubber dam allows for better operator efficiency and increased productivity. [2]
The purpose of this article is to present the use of the rubber dam as an isolation tool for the placement of a suitable root end filling on teeth with large periapical lesions.
| Case Report | | |
An18-year-oldpatient came to the Department of Endodontics with a complaint of pain in the right upper front region since 1 month. History revealed trauma to the maxillary anterior teeth due to accidental fall 10 years back. Teeth11 and 12 failed to respond to thermal and electric pulp testing. Periodontal probing revealed a normal and intact gingiva. Intraoral periapical radiograph (IOPA) of the concerned region showed periapical radiolucency in relation to tooth 11 and 12(>2 cm), which was diagnosed as periapical cyst after clinical and radiographical analysis [Figure 1]a and g.
Root canal treatment was decided in relation to tooth 11 and12 with cyst enucleation and apicoectomy along with retrograde filling with mineral trioxide aggregate.
Technique for rubber dam placement
Rubber dam sheet was modified to the size of 4 × 4 inches and hole was punched in the center of this modified sheet to the size of mandibular central incisor [Figure 1]b.
Plastic spatula was modified by drilling a hole at its tip to correspond to the apex of root of the tooth concerned. This would work as an apex isolating instrument (1 cm in width). [Figure 1]c and d.
A full mucoperiosteal flap was raised. The lesion was curettaged. Punched rubber dam sheet was loosely placed over the apex of the tooth concerned, which was then stretched over the lingual aspect of the apex with the apex isolating instrument. The rubber dam was held in place by the isolating instrument and the remaining uncut portion of the root tip protruded through the hole. The apex isolating instrument also served later to retract the soft tissues [Figure 1]e.
The retrograde cavity was prepared and filled with appropriate material. In this case, cavity was filled with mineral trioxide aggregate. All excess filling material from the retrograde filling was removed with the rubber dam sheet in place [Figure 1]f and h.
| Discussion | | |
The need to work under dry conditions and the idea of using a sheet of rubber to isolate the tooth dates almost 150 years. [3]
The introduction to surgical endodontics of innovative and versatile endodontic devices, techniques, and materials such as sonic instruments, thermoplastic gutta-percha, and reinforced zinc oxide-eugenol-based cements are available for improving the success and management of complicated surgery cases. [4] The rubber dam isolation of the tooth apex is essential for the success for such procedures as it provides adequate access, visibility, lighting, and a sterile dry environment.
With a proper case selection, root end isolation is possible using a sterile rubber dam sheet. Ideally, the use of this technique during a retrograde surgery involves a maxillary or a mandibular anterior tooth with a large enough periapical lesion so that the apex isolating instrument can be easily positioned. Additionally, there must be enough of the lingual apical surface of the root tip remaining for the rubber dam to be stretched and retained apically.
Use of the rubber dam for apical isolation during endodontic surgeries has several advantages. The rubber dam when properly placed prevents the scattering of the apical canal contents into the periradicular area during canal preparation. It provides a dry and a clean apex for improved retrograde sealing conditions. There is improved visualization and less trauma to the soft tissues during the preparation and filling of the apex. Moreover, the apex-isolating instrument blade and the remaining rubber dam itself aid in tissue retraction. [5]
| Conclusion | | |
The constraint of this technique is its inability to be used on molar apices due to the forces of the perioral structures. Also there is difficulty in positioning the apex-isolating instrument around such small apices of posterior teeth.
Further research is still needed regarding the manufacturing of clamps for apex isolation and the use of rubber dam as an isolation tool in surgical cases in endodontics.
| References | | |
| 1. | Carr. Surgical Endodontics. In: Cohen S, Burns RC, editors. Pathways of the Pulp. 6 th ed. United States: St. Louis CV Mosby Publishers; 1994. p. 531-68.  |
| 2. | Wilder AD, May KN, Sturdevant CM. Preliminary considerations for operative dentistry. In: Roberson TM, Heymann HO, Swift EJ, editors. Sturdevant's Art and Science of Operative Dentistry. 4 th ed. United States: St. Louis Mosby Publishers; 2002. p. 431-69. |
| 3. | Castellucci A. Tooth Isolation: The Rubber Dam. In: West JD, editor. Endodontics. 1 st ed. Vol. 1. Arnaldo Castellucci. Italy: Il Tridente Publishers; 2004. p. 226-7. |
| 4. | Antrim DD. Antrim. Rubber dam isolation of fixed prostheses. J Endod 1982;8:521-2. [ PUBMED] |
| 5. | Guerra JA. Root end isolation for retrograde fillings. J Endod 1992;18:39-41. |
Correspondence Address:
Dr. Sunandan Mittal
Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot - 151 203, Punjab
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0972-0707.157271
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