Journal of Oral and Maxillofacial Surgery
Volume 68, Issue 4 , Pages 768-776, April 2010

Significance of Dynamic Magnetic Resonance Sialography in Prognostic Evaluation of Saline Solution Irrigation of the Parotid Gland for the Treatment of Xerostomia

  • Manabu Habu, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Tatsuro Tanaka, DDS, PhD

      Affiliations

    • Lecturer, Department of Oral Diagnostic Science, Division of Diagnostic Radiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Taiki Tomoyose, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral and Maxillofacial Surgery, Division of Oral and Maxillofacial Reconstructive Surgery, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Kentaro Ono, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Biosciences, Division of Physiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Toshihiro Anzai, DDS, PhD

      Affiliations

    • Associate Professor, Department of Health Promotion, Division of Community Oral Health Science, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Yuu Ozaki, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Control of Physical Functions, Division of Oral Care and Rehabilitation, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Izumi Yoshioka, DDS, PhD

      Affiliations

    • Associate Professor, Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Yoshihiro Yamashita, DDS, PhD

      Affiliations

    • Associate Professor, Department of Oral and Maxillofacial Surgery, Division of Oral and Maxillofacial Reconstructive Surgery, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Masaaki Kodama, DDS

      Affiliations

    • Assistant Professor, Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Noriaki Yamamoto, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral and Maxillofacial Surgery, Division of Oral and Maxillofacial Reconstructive Surgery, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Masufumi Oda, DDS

      Affiliations

    • Postgraduate Student, Department of Oral Diagnostic Science, Division of Diagnostic Radiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Nao Wakasugi, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral Diagnostic Science, Division of Diagnostic Radiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Shinobu Matsumoto, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral Diagnostic Science, Division of Diagnostic Radiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Tetsu Takahashi, DDS, PhD

      Affiliations

    • Professor, Department of Oral and Maxillofacial Surgery, Division of Oral and Maxillofacial Reconstructive Surgery, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Kiyotoshi Inenaga, PhD

      Affiliations

    • Professor, Department of Biosciences, Division of Physiology, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Kazuhiro Tominaga, DDS, PhD

      Affiliations

    • Assistant Professor, Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Kyushu Dental College, Kitakyushu, Japan
    • ,
  • Yasuhiro Morimoto, DDS, PhD

      Affiliations

    • Professor, Department of Oral Diagnostic Science, Division of Diagnostic Radiology, Kyushu Dental College, Kitakyushu, Japan
    • Corresponding Author InformationAddress correspondence and reprint requests to Dr Morimoto: Division of Diagnostic Radiology, Department of Oral Diagnostic Science, Kyushu Dental College, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan

published online 16 November 2009.

Purpose

To evaluate the clinical significance of dynamic magnetic resonance (MR) sialographic images in prognostic evaluation of saline solution irrigation of the parotid gland for the treatment of xerostomia.

Materials and Methods

Morphologic findings and functional parameters were evaluated by use of dynamic MR sialography before saline solution irrigation of the parotid gland for the treatment of xerostomia in 17 patients. In addition, the MR sialographic data before the saline solution irrigation treatment in patients with improvement of salivary secretion and the sensation of dry mouth after irrigation treatment were compared with data in patients without improvement.

Results

The maximum changing ratio in the group of patients with improvement after treatment was significantly higher (P = .042) than that in the group of patients without improvement. In addition, high correlations were found between the changing ratio and improvement on the visual analog scale for dry mouth sensation after treatment (Pearson r = 0.63, P = .001) and improvement of salivary flow rate (Pearson r = 0.77, P = .001). Moreover, in 12 patients with improvement of salivary flow rate after the saline solution irrigation treatment, the maximum changing ratio before the saline solution irrigation treatment was over 1.2. However, no significant differences in other parameters, including the detectable ductal area, were found between the group of patients with improvement after treatment and the group without improvement.

Conclusions

Our study suggests that dynamic MR sialography might be useful for the prognostic evaluation of saline solution irrigation of the parotid gland for the treatment of xerostomia.

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 Supported in part by Grants-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan and from the President of Kyushu Dental College to Y.M.

PII: S0278-2391(09)00609-0

doi:10.1016/j.joms.2009.04.110

Journal of Oral and Maxillofacial Surgery
Volume 68, Issue 4 , Pages 768-776, April 2010

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