JP2017202301A - 歯肉診断支援装置および歯肉診断支援システム - Google Patents
歯肉診断支援装置および歯肉診断支援システム Download PDFInfo
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 138
- 208000007565 gingivitis Diseases 0.000 title abstract description 13
- 238000013075 data extraction Methods 0.000 claims abstract description 8
- 210000004195 gingiva Anatomy 0.000 claims description 32
- 238000003384 imaging method Methods 0.000 claims description 26
- 210000000214 mouth Anatomy 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 208000014151 Stomatognathic disease Diseases 0.000 description 2
- 208000028169 periodontal disease Diseases 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4542—Evaluating the mouth, e.g. the jaw
- A61B5/4552—Evaluating soft tissue within the mouth, e.g. gums or tongue
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- A—HUMAN NECESSITIES
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- A61B1/00002—Operational features of endoscopes
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- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
- A61B1/000094—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope extracting biological structures
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- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0605—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for spatially modulated illumination
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- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
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Abstract
Description
図1は、第1の実施形態に係る歯肉診断支援システムの構成図である。本実施形態に係る歯肉診断支援システム100Aは、撮像装置10Aと、歯肉診断支援装置20Aと、表示装置30とを備えている。
図3は、第2の実施形態に係る歯肉診断支援システムの構成図である。本実施形態に係る歯肉診断支援システム100Bは、撮像装置10Bと、歯肉診断支援装置20Bと、表示装置30とを備えている。
10A,10B 撮像装置
20A,20B 歯肉診断支援装置
21 断面データ抽出部
22 輪郭抽出部
23 曲線近似部
24 相関計算部
25 歯肉診断用データ生成部
30 表示装置
Claims (8)
- 口腔正面の3次元点群データから歯肉辺縁部の奥行き方向の断面データを抽出する断面データ抽出部と、
前記断面データを歯肉診断に適した形式に加工して歯肉診断用データを生成する歯肉診断用データ生成部とを備えた歯肉診断支援装置。 - 前記歯肉診断用データ生成部が、前記歯肉診断用データとして口腔正面の左右方向を第1軸および奥行き方向を第2軸とする2次元グラフを生成するものである、請求項1に記載の歯肉診断支援装置。
- 前記歯肉診断用データ生成部が、前記歯肉診断用データとして口腔正面の上下方向を第1軸および奥行き方向を第2軸とする2次元グラフを生成するものである、請求項1に記載の歯肉診断支援装置。
- 歯の正面写真画像から歯肉辺縁部の輪郭を抽出して輪郭点群データを生成する輪郭抽出部と、
前記輪郭点群データのうち歯と歯肉の境目の点群データに対して関数フィッティングを行って近似曲線を導出する曲線近似部と、
前記歯と歯肉の境目の点群データに前記近似曲線を重ねた歯肉診断用データを生成する歯肉診断用データ生成部とを備えた歯肉診断支援装置。 - 前記歯と歯肉の境目の点群データと前記近似曲線との相関の程度を示す指標を計算する相関計算部を備えた、請求項4に記載の歯肉診断支援装置。
- 歯の正面写真画像から歯肉辺縁部の輪郭を抽出して輪郭点群データを生成する輪郭抽出部と、
前記輪郭点群データのうち歯と歯肉の境目の点群データに対して関数フィッティングを行って近似曲線を導出する曲線近似部と、
歯肉診断用データとして、前記歯と歯肉の境目の点群データと前記近似曲線との誤差を示すグラフを生成する歯肉診断用データ生成部とを備えた歯肉診断支援装置。 - 前記輪郭抽出部が、複数の歯が写った口腔正面写真から任意の1本の歯の正面写真画像を切り出すものである、請求項4ないし請求項6のいずれかに記載の歯肉診断支援装置。
- 請求項1ないし請求項7のいずれかに記載の歯肉診断支援装置と、
前記歯肉診断支援装置による処理対象の原画像データを生成する撮像装置と、
前記歯肉診断支援装置によって生成された歯肉診断用データを表示する表示装置とを備えた歯肉診断支援システム。
Priority Applications (5)
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CN201780029030.7A CN109561820A (zh) | 2016-05-10 | 2017-05-10 | 牙龈诊断辅助装置和牙龈诊断辅助系统 |
PCT/JP2017/017678 WO2017195820A1 (ja) | 2016-05-10 | 2017-05-10 | 歯肉診断支援装置および歯肉診断支援システム |
US16/099,909 US20190150825A1 (en) | 2016-05-10 | 2017-05-10 | Gum diagnosis assisting apparatus and gum diagnosis assisting system |
EP17796180.2A EP3456240A4 (en) | 2016-05-10 | 2017-05-10 | GINGIVITIS DIAGNOSTIC SUPPORT DEVICE AND GINGIVITIS DIAGNOSTIC ASSISTANCE PROCEDURE |
KR1020187035703A KR20190004797A (ko) | 2016-05-10 | 2017-05-10 | 치주 조직 진단 지원장치 및 치주 조직 진단 지원시스템 |
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EP (1) | EP3456240A4 (ja) |
JP (1) | JP6378793B2 (ja) |
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Cited By (1)
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WO2020075796A1 (ja) * | 2018-10-11 | 2020-04-16 | クラレノリタケデンタル株式会社 | 歯科治療支援装置、歯科治療支援システム、歯科治療支援方法、歯科治療支援プログラム及び歯科製品販売促進装置 |
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KR102232043B1 (ko) * | 2019-05-09 | 2021-03-25 | 주식회사 디오 | 영상데이터에서 치아와 치조골을 분리하는 모델 생성 방법 및 장치 |
JP7140932B1 (ja) * | 2022-03-25 | 2022-09-21 | 株式会社モリタ製作所 | データ処理装置、データ処理方法、およびデータ処理プログラム |
CN115035025A (zh) * | 2022-04-28 | 2022-09-09 | 南通林德安全设备科技有限公司 | 一种基于牙片处理的牙齿校正辅助方法 |
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- 2017-05-10 US US16/099,909 patent/US20190150825A1/en not_active Abandoned
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- 2017-05-10 CN CN201780029030.7A patent/CN109561820A/zh active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2020075796A1 (ja) * | 2018-10-11 | 2020-04-16 | クラレノリタケデンタル株式会社 | 歯科治療支援装置、歯科治療支援システム、歯科治療支援方法、歯科治療支援プログラム及び歯科製品販売促進装置 |
JPWO2020075796A1 (ja) * | 2018-10-11 | 2021-11-18 | クラレノリタケデンタル株式会社 | 歯科治療支援装置、歯科治療支援システム、歯科治療支援方法、歯科治療支援プログラム及び歯科製品販売促進装置 |
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JP6378793B2 (ja) | 2018-08-22 |
CN109561820A (zh) | 2019-04-02 |
KR20190004797A (ko) | 2019-01-14 |
EP3456240A4 (en) | 2019-12-11 |
US20190150825A1 (en) | 2019-05-23 |
EP3456240A1 (en) | 2019-03-20 |
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