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Article: Swept-source optical coherence tomographic observation on prevalence and variations of cemento-enamel junction morphology

TitleSwept-source optical coherence tomographic observation on prevalence and variations of cemento-enamel junction morphology
Authors
KeywordsCemento-enamel junction patterns
Optical coherence tomography
Transverse electron microscope
Issue Date2020
PublisherSpringer-Verlag London Ltd. The Journal's web site is located at http://link.springer-ny.com/link/service/journals/10103/index.htm
Citation
Lasers in Medical Science, 2020, v. 35 n. 1, p. 213-219 How to Cite?
AbstractTo investigate the prevalence of different patterns of cemento-enamel junction (CEJ) morphology under swept-source optical coherence tomography (SS-OCT). One hundred extracted human teeth were used consisting of incisors, premolars, and molars. Each sample was observed for every 500 μm circumferentially along CEJ and OCT images of the pattern were noted. Microscopic observations were done for the representative sample using confocal laser scanning microscope (CLSM) and transmission electron microscope (TEM). The OCT images exhibited four CEJ patterns: edge-to-edge (type I), exposed dentin (type II), cementum overlapping enamel (type III), and enamel overlapping cementum (type IV). The prevalence of CEJ patterns was further statistically considered for mesial, distal, buccal, and lingual surfaces. The real-time imaging by SS-OCT instantly determined CEJ morphology. CLSM and TEM observation revealed morphological features along CEJ, which corresponded to OCT images of CEJ anatomy. OCT results showed 56.8% of type I pattern predominantly found on proximal surfaces, followed by 36.5% of type II pattern on buccal and lingual surface, 6.4% of type III pattern, and 0.3% of type IV pattern. There was a significant difference in prevalence of CEJ patterns among different types of teeth, but there was no statistically significant difference among the four surfaces in each type of teeth. OCT is a non-invasive diagnostic tool to examine the CEJ patterns along the entire circumference. OCT observation revealed even minor dentin exposure that would need clinical and home procedures to prevent any symptoms.
Persistent Identifierhttp://hdl.handle.net/10722/287141
ISSN
2023 Impact Factor: 2.1
2023 SCImago Journal Rankings: 0.575
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAraveti, SK-
dc.contributor.authorHiraishi, N-
dc.contributor.authorKominami, N-
dc.contributor.authorOtsuki, M-
dc.contributor.authorSumi, Y-
dc.contributor.authorYiu, CKY-
dc.contributor.authorTagami, J-
dc.date.accessioned2020-09-22T02:56:24Z-
dc.date.available2020-09-22T02:56:24Z-
dc.date.issued2020-
dc.identifier.citationLasers in Medical Science, 2020, v. 35 n. 1, p. 213-219-
dc.identifier.issn0268-8921-
dc.identifier.urihttp://hdl.handle.net/10722/287141-
dc.description.abstractTo investigate the prevalence of different patterns of cemento-enamel junction (CEJ) morphology under swept-source optical coherence tomography (SS-OCT). One hundred extracted human teeth were used consisting of incisors, premolars, and molars. Each sample was observed for every 500 μm circumferentially along CEJ and OCT images of the pattern were noted. Microscopic observations were done for the representative sample using confocal laser scanning microscope (CLSM) and transmission electron microscope (TEM). The OCT images exhibited four CEJ patterns: edge-to-edge (type I), exposed dentin (type II), cementum overlapping enamel (type III), and enamel overlapping cementum (type IV). The prevalence of CEJ patterns was further statistically considered for mesial, distal, buccal, and lingual surfaces. The real-time imaging by SS-OCT instantly determined CEJ morphology. CLSM and TEM observation revealed morphological features along CEJ, which corresponded to OCT images of CEJ anatomy. OCT results showed 56.8% of type I pattern predominantly found on proximal surfaces, followed by 36.5% of type II pattern on buccal and lingual surface, 6.4% of type III pattern, and 0.3% of type IV pattern. There was a significant difference in prevalence of CEJ patterns among different types of teeth, but there was no statistically significant difference among the four surfaces in each type of teeth. OCT is a non-invasive diagnostic tool to examine the CEJ patterns along the entire circumference. OCT observation revealed even minor dentin exposure that would need clinical and home procedures to prevent any symptoms.-
dc.languageeng-
dc.publisherSpringer-Verlag London Ltd. The Journal's web site is located at http://link.springer-ny.com/link/service/journals/10103/index.htm-
dc.relation.ispartofLasers in Medical Science-
dc.subjectCemento-enamel junction patterns-
dc.subjectOptical coherence tomography-
dc.subjectTransverse electron microscope-
dc.titleSwept-source optical coherence tomographic observation on prevalence and variations of cemento-enamel junction morphology-
dc.typeArticle-
dc.identifier.emailHiraishi, N: noriko11@hkucc.hku.hk-
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hk-
dc.identifier.authorityYiu, CKY=rp00018-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s10103-019-02847-9-
dc.identifier.pmid31342201-
dc.identifier.scopuseid_2-s2.0-85069738487-
dc.identifier.hkuros314449-
dc.identifier.volume35-
dc.identifier.issue1-
dc.identifier.spage213-
dc.identifier.epage219-
dc.identifier.isiWOS:000512036600024-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0268-8921-

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