Assessment of occlusal fissure depth and sealant penetration using optical coherence tomography

Sachiko Ito, Yasushi Shimada, Alireza Sadr, Yukie Nakajima, Michiyo Miyashin, Junji Tagami, Yasunori Sumi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Swept source optical coherence tomography (SS-OCT) is an interferometric imaging technique. This study aimed to assess SS-OCT as a diagnostic tool for the evaluation of occlusal fissure depth and sealant penetration into fissure. Seventy investigation sites of occlusal fissures without visible evidence of caries were categorized into four groups (smooth, shallow, intermediate, and deep fissures). Categorization utilized two methods: 1) visually, using a computer screen, and 2) using SS-OCT images. After sealant placement, penetration was observed in SS-OCT. The results obtained from SS-OCT and visual inspections were compared with those of confocal laser scanning microscope (CLSM). The diagnostic power of SS-OCT was higher than that of visual inspection for fissure depth. Additionally, clear cross-sectional images of sealant penetration into fissures were observed with SS-OCT. SS-OCT can be used to evaluate fissure depth and monitor sealant penetration.

Original languageEnglish
Pages (from-to)432-439
Number of pages8
JournalDental Materials Journal
Volume35
Issue number3
DOIs
Publication statusPublished - 2016
Externally publishedYes

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Pit and Fissure Sealants
Sealants
Optical tomography
Optical Coherence Tomography
Inspection
Electric Power Supplies
Lasers
Microscopes
Scanning
Imaging techniques

Keywords

  • Confocal laser scanning microscope (CLSM)
  • Fissure sealant
  • Occlusal fissure
  • Swept source optical coherence tomography (SS-OCT)

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

Cite this

Assessment of occlusal fissure depth and sealant penetration using optical coherence tomography. / Ito, Sachiko; Shimada, Yasushi; Sadr, Alireza; Nakajima, Yukie; Miyashin, Michiyo; Tagami, Junji; Sumi, Yasunori.

In: Dental Materials Journal, Vol. 35, No. 3, 2016, p. 432-439.

Research output: Contribution to journalArticle

Ito, Sachiko ; Shimada, Yasushi ; Sadr, Alireza ; Nakajima, Yukie ; Miyashin, Michiyo ; Tagami, Junji ; Sumi, Yasunori. / Assessment of occlusal fissure depth and sealant penetration using optical coherence tomography. In: Dental Materials Journal. 2016 ; Vol. 35, No. 3. pp. 432-439.
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