{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T11:56:28Z","timestamp":1785412588377,"version":"3.56.0"},"reference-count":54,"publisher":"Optica Publishing Group","issue":"9","license":[{"start":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T00:00:00Z","timestamp":1724371200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T00:00:00Z","timestamp":1724371200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/100009227","name":"Iowa State University","doi-asserted-by":"publisher","award":["Startup grant"],"award-info":[{"award-number":["Startup grant"]}],"id":[{"id":"10.13039\/100009227","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Biomed. Opt. Express"],"published-print":{"date-parts":[[2024,9,1]]},"abstract":"<jats:p>Dental caries cause pain and if not diagnosed, it may lead to the loss of teeth in extreme cases. Dental X-ray imaging is the gold standard for caries detection; however, it cannot detect hidden caries. In addition, the ionizing nature of X-ray radiation is another concern. Hence, other alternate imaging modalities like photoacoustic (PA) imaging are being explored for dental imaging. Here, we demonstrate the feasibility of acoustic resolution photoacoustic microscopy (ARPAM) to image a tooth with metal filling, circular photoacoustic computed tomography (cPACT) to acquire images of teeth with caries and pigmentation, and linear array-based photoacoustic imaging (lPACT) of teeth with caries and pigmentation. The cavity measured with lPACT imaging is compared with the X-ray computed tomography image. The metal filling and its boundaries are clearly seen in the ARPAM image. cPACT images at 1064 nm were a better representative of the tooth surface compared to the images acquired at 532 nm. It was possible to detect the cavities present in the dentine when lPACT imaging was used. The PA signal from the pigmented caries on the lateral surface (occlusion view) of the tooth was high when imaged using the lPACT system.<\/jats:p>","DOI":"10.1364\/boe.531436","type":"journal-article","created":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T03:00:08Z","timestamp":1723690808000},"page":"5479","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Ex vivo human teeth imaging with various photoacoustic imaging systems"],"prefix":"10.1364","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0451-9494","authenticated-orcid":true,"given":"Vijitha","family":"Periyasamy","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04rswrd78","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katherine","family":"Gisi","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04rswrd78","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2865-5714","authenticated-orcid":true,"given":"Manojit","family":"Pramanik","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04rswrd78","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2024,8,23]]},"reference":[{"key":"boe-15-9-5479-R1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1007\/s13755-019-0096-y","volume":"8","author":"Geetha","year":"2020","journal-title":"Health Inf. 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