“HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH

<p>A significant part of fossil findings, which are objects in palaeontological and palaeoanthropological research, is represented by teeth. Even if compared with skeletal remains, they are composed of highly mineralised tissues. This fact considerably increases their potential for being prese...

Full description

Bibliographic Details
Main Authors: V. A. Knyaz, A. V. Gaboutchian, E. N. Maschenko, D. V. Korost, N. V. Stepanov, A. V. Emelyanov
Format: Article
Language:English
Published: Copernicus Publications 2022-05-01
Series:The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Online Access:https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLIII-B2-2022/809/2022/isprs-archives-XLIII-B2-2022-809-2022.pdf
_version_ 1817987872810074112
author V. A. Knyaz
V. A. Knyaz
A. V. Gaboutchian
E. N. Maschenko
D. V. Korost
N. V. Stepanov
A. V. Emelyanov
author_facet V. A. Knyaz
V. A. Knyaz
A. V. Gaboutchian
E. N. Maschenko
D. V. Korost
N. V. Stepanov
A. V. Emelyanov
author_sort V. A. Knyaz
collection DOAJ
description <p>A significant part of fossil findings, which are objects in palaeontological and palaeoanthropological research, is represented by teeth. Even if compared with skeletal remains, they are composed of highly mineralised tissues. This fact considerably increases their potential for being preserved withstanding destructive environmental factors. Nevertheless fossilisation process is accompanied by various changes in teeth including over the centuries with regard to their integrity or deformations. Thus among palaeontological findings there is a noticeable share of fragmented teeth. However we will focus in the current paper on a special group of teeth, which have preserved their most essential morphological features, being at the same time on the way to their fragmentation - cracked teeth.</p><p>Recent morphological and especially morphometric study methods applied to dental findings have been developed largely in line with high-resolution imaging techniques, such as microfocus x-ray tomographic scanning. They provide diversity of detailed digital reconstructions of teeth and application of image processing. This allows improvements of existing methods in odontological studies as well as and development of new as well, including those using automated algorithms, e.g. automated digital odontometry. This technique is sensitive to reconstructed surface quality, uninterrupted requiring surfaces as cracks hinder running the algorithms. Thus we propose method for reconstructing cracked teeth, which allows to obtain better results in morphological studies of teeth. The method proposed is based on consistent stages of surface curvature analysis and minimizing average distance between points opposing cracks surfaces.</p>
first_indexed 2024-04-14T00:26:46Z
format Article
id doaj.art-c8074dda67f14f8bae277d0195862534
institution Directory Open Access Journal
issn 1682-1750
2194-9034
language English
last_indexed 2024-04-14T00:26:46Z
publishDate 2022-05-01
publisher Copernicus Publications
record_format Article
series The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
spelling doaj.art-c8074dda67f14f8bae277d01958625342022-12-22T02:22:41ZengCopernicus PublicationsThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences1682-17502194-90342022-05-01XLIII-B2-202280981410.5194/isprs-archives-XLIII-B2-2022-809-2022“HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCHV. A. Knyaz0V. A. Knyaz1A. V. Gaboutchian2E. N. Maschenko3D. V. Korost4N. V. Stepanov5A. V. Emelyanov6Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, RussiaState Research Institute of Aviation System (GosNIIAS), 125319 Moscow, RussiaPeoples’ Friendship University of Russia, 117198, Moscow, RussiaBorissiak Paleontological Institute of Russian Academy of Sciences, 117647, Moscow, RussiaFaculty of Geology, Moscow State University, 119234, Moscow, RussiaFaculty of Geology, Moscow State University, 119234, Moscow, RussiaMoscow Institute of Physics and Technology (MIPT), Dolgoprudny, Russia<p>A significant part of fossil findings, which are objects in palaeontological and palaeoanthropological research, is represented by teeth. Even if compared with skeletal remains, they are composed of highly mineralised tissues. This fact considerably increases their potential for being preserved withstanding destructive environmental factors. Nevertheless fossilisation process is accompanied by various changes in teeth including over the centuries with regard to their integrity or deformations. Thus among palaeontological findings there is a noticeable share of fragmented teeth. However we will focus in the current paper on a special group of teeth, which have preserved their most essential morphological features, being at the same time on the way to their fragmentation - cracked teeth.</p><p>Recent morphological and especially morphometric study methods applied to dental findings have been developed largely in line with high-resolution imaging techniques, such as microfocus x-ray tomographic scanning. They provide diversity of detailed digital reconstructions of teeth and application of image processing. This allows improvements of existing methods in odontological studies as well as and development of new as well, including those using automated algorithms, e.g. automated digital odontometry. This technique is sensitive to reconstructed surface quality, uninterrupted requiring surfaces as cracks hinder running the algorithms. Thus we propose method for reconstructing cracked teeth, which allows to obtain better results in morphological studies of teeth. The method proposed is based on consistent stages of surface curvature analysis and minimizing average distance between points opposing cracks surfaces.</p>https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLIII-B2-2022/809/2022/isprs-archives-XLIII-B2-2022-809-2022.pdf
spellingShingle V. A. Knyaz
V. A. Knyaz
A. V. Gaboutchian
E. N. Maschenko
D. V. Korost
N. V. Stepanov
A. V. Emelyanov
“HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
title “HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
title_full “HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
title_fullStr “HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
title_full_unstemmed “HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
title_short “HEALING CRACKS” ON FOSSIL TEETH: IMPROVEMENT OF ODONTOLOGICAL STUDY METHODS IN PALAEONTOLOGICAL RESEARCH
title_sort healing cracks on fossil teeth improvement of odontological study methods in palaeontological research
url https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLIII-B2-2022/809/2022/isprs-archives-XLIII-B2-2022-809-2022.pdf
work_keys_str_mv AT vaknyaz healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT vaknyaz healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT avgaboutchian healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT enmaschenko healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT dvkorost healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT nvstepanov healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch
AT avemelyanov healingcracksonfossilteethimprovementofodontologicalstudymethodsinpalaeontologicalresearch