alexa Management of Tooth and Observation of External Root Surface with Extrusion of Calcium Hydroxide-Containing Paste
ISSN: 2161-1122

Dentistry
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Case Report

Management of Tooth and Observation of External Root Surface with Extrusion of Calcium Hydroxide-Containing Paste

Yoshiko Murakami Masuda1*, Shigenori Suzuki1, Yukiko Matsuda2, Yuichi Kimura3 and Takashi Miyazaki4

1Department of Conservative Dentistry, Division of Endodontology, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan

2Department of Oral Diagnostic Sciences, Division of Radiology, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan

3Division of Endodontics, Department of Conservative Dentistry, Ohu University School of Dentistry, 31-1, Misumido, Tomita-machi, Koriyama, Fukushima 963-8611,
Japan

4Department of Conservative Dentistry, Division of Oral Biomaterials and Technology, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145-8515,
Japan

*Corresponding Author:
Yoshiko Murakami Masuda
DDS, PhD, 1Department of Conservative Dentistry
Division of Endodontology, Showa University School of Dentistry, 2-1-1 Kitasenzoku
Ohta-ku, Tokyo 145-8515, Japan
Tel: +81-3-3787- 1229
E-mail: [email protected]

Received March 28, 2015; Accepted date : April 22, 2015; Published date : April 25, 2015

Citation: Masuda YM, Suzuki S, Matsuda Y, Kimura Y, Miyazaki T (2015) Management of Tooth and Observation of External Root Surface with Extrusion of Calcium Hydroxide-Containing Paste. Dentistry 5:301. doi:10.4172/2161-1122.1000301

Copyright: © 2015 Masuda YM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Introduction: Extrusion of the root canal filling materials is often absorbed and heals, which produces no irreversible changes. However, sometimes it causes the persisting pain and apical radiolucent. This case shows that extrusion of calcium hydroxide [Ca(OH)2] intracanal medicament caused the persistent percussion pain.

Methods: This case report describes the patient with extrusion of Ca(OH)2 into the periapical tissue in the mandibular right second premolar. A 48-year-old female presented with persistent occlusal pain. Radiographs revealed a radiolucent lesion in the periapical region of mandibular second premolar. The cone-beam computed tomography scan revealed the non-radiolucency root canal materials around the root apex and periapical radiolucency was present along with considerable external root resorption. After preparation, root canal was filled with gutta-percha cones and root canal sealer, and intentional replantation with apicoectomy was performed. The resected portion of root apex was observed by stereomicroscopy and scanning electron microscopy (SEM).

Results: The root surface contacted with Ca(OH)2 paste was observed by stereomicroscopy. SEM observation revealed that the area of the apical foramen was covered with the complex of the extended materials and resorption of apex was observed. At the 1-month recall appointment, the patient presented asymptomatically without tooth mobility. Five months after the surgery, radiograph showed new bone formation around periapical region. The patient had no clinical symptoms of pain.

Conclusions: The treatment had been successful, achieving adequate repair with 9 months of follow-up. Appropriate size of the apical foramen was essential for success of the root canal treatment. Extrusion of Ca(OH)2 paste caused persistent occlusal pain and the apical foramen coverage by the materials.

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