JP7427595B2 - 診断の為の口腔内のスキャン及び追跡 - Google Patents
診断の為の口腔内のスキャン及び追跡 Download PDFInfo
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- JP7427595B2 JP7427595B2 JP2020540595A JP2020540595A JP7427595B2 JP 7427595 B2 JP7427595 B2 JP 7427595B2 JP 2020540595 A JP2020540595 A JP 2020540595A JP 2020540595 A JP2020540595 A JP 2020540595A JP 7427595 B2 JP7427595 B2 JP 7427595B2
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- Apparatus For Radiation Diagnosis (AREA)
Description
本特許出願は、2018年1月26日に出願された米国特許仮出願第62/622,798号、件名「診断用口腔内スキャナ(DIAGNOSTIC INTRAORAL SCANNERS)」、並びに2018年11月9日に出願された米国特許仮出願第62/758,503号、件名「診断用口腔内スキャナ(DIAGNOSTIC INTRAORAL SCANNERS)」の優先権を主張するものであり、これらはそれぞれ、参照により完全な形で本明細書に組み込まれている。
本明細書中において言及される全ての公表文献及び特許出願は、それぞれ個々の公表文献又は特許出願が参照により具体的且つ個別に示されて組み込まれるのと同程度に、参照により完全な形で本明細書に組み込まれる。
ビューウィンドウと患者の歯列弓の3Dモデルとの間の相対位置をユーザが変化させることを可能にするステップであって、相対位置は、患者の歯列弓とビューウィンドウの平面との間の相対角度と、歯列弓のうちのビューウィンドウに近接する部分と、のうちの1つ以上を含む、上記可能にするステップと、ビューウィンドウと患者の歯列弓の3Dモデルとの間の相対位置をユーザが変化させるにつれて、連続的に、患者の歯列弓の3Dモデルと、患者の歯列弓の複数の画像ペアとの両方から(例えば、任意選択で、患者の歯列弓の3Dモデルと、患者の歯列弓の複数の画像との両方を含むデータセットから)(但し、複数のペアの各ペアは、それぞれが患者の歯列弓に対する同じ角度及び位置で取得される第1の画像化波長及び第2の画像化波長を含む)、患者の歯列弓の表示された3Dモデルに対するビューウィンドウの角度及び位置を近似する角度及び位置で取得された画像ペアを識別し、患者の歯列弓の表示された3Dモデルに対するビューウィンドウの角度及び位置を近似する角度及び位置で取得されて識別された画像ペアの少なくとも一方を表示するステップと、を含んでよい。
口腔内からボリュメトリックデータを収集して分析することにより、以前は非ボリュメトリックスキャンからの識別が困難又は不可能であった歯の特徴及び情報を識別することが可能である。しかしながら、3次元ボリュメトリック情報を分析することは歯科開業医(及び/又は患者)にとって困難又は非直感的である可能性がある。本明細書では、患者の口腔の3Dボリュメトリックデータを観察及び解釈する方法及び装置について記載している。
本明細書に記載の方法及び装置は、患者の歯の歯垢及び歯石の検出及び可視化(定量化を含む)に使用されてもよい。本明細書に記載の口腔内スキャナはいずれも、患者の歯の歯垢又は歯石の検出に使用されてよく、これは、蛍光画像化を、浸透(例えば、近赤外)画像化を含む他の画像化/スキャンモダリティとともに用いることにより使用されてよい。例えば、口腔内スキャナが、異なる画像化モダリティの間で循環されてよく、例えば、白色光と近赤外光との間で循環されてよく、これには蛍光(例えば、レーザ蛍光等)のような更なるモダリティが含まれてよい。
本明細書に記載の口腔内スキャナ及びボリュメトリックモデリングは、他の歯科ツール(ドリル、プローブ等)とともに使用されてよく、且つ/又はそれらのツールと組み合わされてよい。ツールを組み合わせることで数々の利点が得られる。
患者の口腔の3Dボリュメトリックモデリング(例えば、歯の3Dボリュメトリックモデリング)の方法及び装置は、歯根管処置の修正にも使用されてよい。典型的には、歯根管処置は、処置前、処置中、且つ/又は処置後に歯内の画像を取得する為に多くのX線を必要とする。本明細書に記載の方法及び装置は、歯根管処置の特定の例においてX線の必要性を無くすか減らすことが可能である。具体的には、本明細書に記載のように、処置中に歯根内を調べることを含めて歯内を調べることに、浸透波長(例えば、近赤外波長)を含む口腔内スキャナが使用されてよい。これにより、歯根管の識別及び位置特定が可能になりうる。例えば、歯根管の為の歯の前処理は、例えば、歯冠を貫通して歯内に至る穴をドリルで開けることによって行われてよい。この穴は、ドリリング中、又はドリリングの合間の、本明細書に記載のボリュメトリック画像化のガイダンスにより、ドリルで開けられてよい。例えば、歯(例えば、臼歯)の内部に至る初期穴をドリルで開けて、歯の内腔を露出させてよい。近赤外波長を含む口腔内スキャナを使用して、歯を画像化して(これは、ドリルで開けられた穴から歯内を画像化することを含む)歯髄腔内を可視化してよい。スキャナは自動又は手動で方向付けられて腔の奥まで画像化することが可能であり、これによって、腔内の歯根の可視化が可能になりうる。歯内への最初のドリリングは、エナメル質に貫入して内腔を露出させ、腔内を可視化するまでに制限されてよく、これによって、(特定の近赤外波長を含む任意の波長において)光学特性が異なる領域が石灰化及び/又は感染にかかわらず腔内に浸透することが可能になり、それによって、歯自体の内側からの歯根の画像化が可能になる。歯根の神経腔は、象牙質及びエナメル質内の周辺領域より密度が高いか低いように識別可能である。腔の屋根を除去して歯の内部歯髄領域を露出させることにより、口腔内スキャナは、ドリルで開けられた開口部内を可視化することによって、歯根の位置、曲率、及び経路を含む更なるボリュメトリック情報を提供することが可能である。この更なる可視化情報によって、隠れた歯根管及び副根管の検出が容易になりうる。そして、この情報を使用して治療をガイドすることが可能である。
既に述べたように(且つ図示したように)、本明細書に記載の方法及び装置は、ユーザが患者の歯列弓を仮想スキャンすることを可能にしうる。具体的には、患者の歯列弓の3Dモデル(これはボリュメトリックモデル、表面モデル、又はその両方(又は幾つかの変形形態では抽象化モデル又は汎用モデル)であってよい)が、歯列弓の周囲の様々な位置から(例えば、口腔内スキャナを使用して)取得された画像とともに使用されてよい。これらの画像は、歯列弓の3Dモデルの生成に使用された画像であってよい。これらの画像は、それぞれの対応する、3D歯列弓モデルに対する位置又は領域又は角度が分かるようにタグ付けされたり、且つ/又はデータ構造として配列されたりしてよい。幾つかの変形形態では、3Dモデル及び取得された画像は、データ構造として保持されてよいが、3Dモデルが画像に付属して単一データ構造とされることは必須ではない。
本明細書では更に、患者の歯列弓の全て又は一部分の3Dモデル(ボリュメトリック3Dモデルを含むがこれに限定されない)を使用して、1つ以上の歯特徴の識別、確認、及び/又は特性化を自動又は半自動で行うように構成された方法及び装置(例えば、ソフトウェアを含むシステム)について記載している。具体的には、これらの方法及び装置は、検出及び/又は治療の恩恵がありそうな1つ以上の治療可能歯特徴の識別、確認、及び/又は特性化を行うように構成されてよい。治療可能歯特徴としては、亀裂、歯肉退縮、酒石、硬組織及び軟組織の口腔状態等が挙げられ、これらに限定されない。別の治療可能歯特徴としてエナメル質の厚さがありうる。例えば、本明細書に記載の方法及び装置は、エナメル質の厚さを自動でマッピングしてよい(例えば、エナメル質の厚さがxミクロンより薄い場所に色マッピングを適用してよく、xはあらかじめ設定されてよく、且つ/又はユーザ調節可能であってよい)。エナメル質が薄い領域は、潜在的にカリエスが存在しうる領域である。他の潜在的な治療可能歯特徴として、変色(例えば、色の不連続)、ピット、割れ目、歯ぎしりの形跡(薄化(経時的な薄化を含む))、隣接歯間空隙等、又は他の任意の同様の、カリエスが形成されそうな場所を表しているか示唆している可能性のある特徴が挙げられる。
〔付記1〕
患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記患者の歯列弓の前記3Dモデルの少なくとも一部分の上にビューウィンドウを表示するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置の変化をユーザから受け取るステップと、
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を含む方法。
〔付記2〕
前記近赤外画像を識別する前記ステップ、及び前記識別された近赤外画像を表示する前記ステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて連続的に実施される、付記1に記載の方法。
〔付記3〕
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ビューウィンドウの平面と前記患者の歯列弓との間の角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を前記ユーザが変化させることを可能にすることを含む、付記1に記載の方法。
〔付記4〕
前記識別するステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像を決定することと、前記複数の画像を平均して前記識別された近赤外画像を形成することと、を含む、付記1に記載の方法。
〔付記5〕
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像と、の両方を含むデータセットをプロセッサにおいて収集するステップを更に含む、付記1に記載の方法。
〔付記6〕
前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示する前記ステップは、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することを含む、付記1に記載の方法。
〔付記7〕
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、患者の歯列弓の前記3Dモデルの角度と、患者の歯列弓の前記3Dモデルの回転と、前記歯列弓のうちの前記ビューウィンドウに近接する前記部分と、のうちの1つ以上を独立に制御することを含む、付記1に記載の方法。
〔付記8〕
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ユーザが前記ビューウィンドウを前記歯列弓の前記3Dモデルの上で動かすことを可能にすることを含む、付記1に記載の方法。
〔付記9〕
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する、可視光画像及び蛍光画像のいずれかである第2の画像を識別するステップと、前記第2の画像を前記近赤外画像と同時に表示するステップと、を更に含む、付記1に記載の方法。
〔付記10〕
前記表示された3Dモデルに対する前記ビューウィンドウの角度及び位置を近似する前記識別された近赤外画像を表示する前記ステップは、前記識別された近赤外画像を、前記患者の歯列弓の前記3Dモデルの前記表示に近接するウィンドウに表示するか、前記患者の歯列弓の前記3Dモデルの前記表示と部分的に重ねて表示することを含む、付記1に記載の方法。
〔付記11〕
患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記患者の歯列弓の前記3Dモデルの一部分の上にビューウィンドウを表示するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置をユーザが変化させることを可能にするステップであって、相対位置は、前記患者の歯列弓と前記ビューウィンドウの平面との間の相対角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を含む、前記可能にするステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて、連続的に、
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓の複数の画像ペアであって、前記複数のペアの各ペアは、それぞれが前記患者の歯列弓に対して同じ角度及び位置で取得される第1の画像化波長及び第2の画像化波長を含む、前記複数の画像ペアとの両方から、前記ビューウィンドウと前記患者の歯列弓の前記表示された3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された画像ペアを識別し、
前記患者の歯列弓の前記表示された3Dモデルに対する前記ビューウィンドウの角度及び位置を近似する角度及び位置で取得された前記識別された画像ペアのうちの少なくとも一方の画像を表示するステップと、
を含む方法。
〔付記12〕
前記表示するステップは、前記画像ペアを、前記患者の歯列弓の前記3Dモデルに近接するウィンドウに表示することを含む、付記11に記載の方法。
〔付記13〕
前記識別するステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像ペアを決定することを含み、前記複数の画像ペアの前記第1の画像化波長画像を平均し、前記第2の画像化波長画像を平均して、前記識別された画像ペアを形成することを更に含む、付記11に記載の方法。
〔付記14〕
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像と、を含むデータセットをプロセッサにおいて受け取るステップを更に含む、付記11に記載の方法。
〔付記15〕
前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示する前記ステップは、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することを含む、付記11に記載の方法。
〔付記16〕
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ビューウィンドウに対する前記患者の歯列弓の前記3Dモデルの位置と、前記患者の歯列弓に対する前記ビューウィンドウの位置と、を独立に制御することを含む、付記11に記載の方法。
〔付記17〕
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ユーザが前記ビューウィンドウを前記歯列弓の前記3Dモデルの上で動かすことを可能にすることを含む、付記11に記載の方法。
〔付記18〕
前記第1の画像化波長は近赤外波長を含み、前記第2の画像化波長は、可視光波長、蛍光波長、X線波長のうちの1つ以上を含む、付記11に記載の方法。
〔付記19〕
前記識別された画像ペアを表示するステップは、前記識別された画像ペアを、前記患者の歯列弓の前記3Dモデルの表示に近接するか部分的に重なるウィンドウに表示することを含む、付記11に記載の方法。
〔付記20〕
患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記患者の歯列弓の前記3Dモデルの一部分の上にビューウィンドウを表示するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置をユーザが変化させることを可能にするステップであって、相対位置は、前記ビューウィンドウと前記患者の歯列弓との間の角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を含む、前記可能にするステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて、連続的に、
前記患者の歯列弓の前記3Dモデルと、各近赤外画像が前記患者の歯列弓に対する様々な角度及び位置から取得された、前記患者の歯列弓の複数の近赤外画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別し、
前記患者の歯列弓の前記表示された3Dモデルに対する前記ビューウィンドウの角度及び位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を含む方法。
〔付記21〕
少なくとも1つの画像センサと近赤外波長範囲内のスペクトル範囲で発光するように構成された光源とを有する手持ち式ワンドと、
表示出力と、
ユーザ入力装置と、
前記手持ち式ワンド、前記表示出力、及び前記ユーザ入力装置に作用的に接続された1つ以上のプロセッサであって、
患者の歯列弓の3次元(3D)モデルを前記表示出力上に表示するステップと、
前記表示出力上で前記患者の歯列弓の前記3Dモデルの一部分の上にビューウィンドウを表示するステップと、
前記ユーザ入力装置からの入力に基づいて、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を変化させるステップと、
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を実施するように構成された前記1つ以上のプロセッサと、
を含む口腔内スキャンシステム。
〔付記22〕
前記1つ以上のプロセッサは、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像を受け取るように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記23〕
前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて、前記近赤外画像を識別することと、前記識別された近赤外画像を表示することと、を連続的に行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記24〕
前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記ビューウィンドウの平面と前記患者の歯列弓との間の角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を変化させることによって行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記25〕
前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記近赤外画像を識別することを、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像を決定することと、前記複数の画像を平均して前記識別された近赤外画像を形成することと、によって行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記26〕
前記1つ以上のプロセッサは、前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示することを、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することによって行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記27〕
前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記ビューウィンドウに対する前記患者の歯列弓の前記3Dモデルの角度と、前記ビューウィンドウに対する前記患者の歯列弓の前記3Dモデルの回転と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を変化させることによって行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記28〕
前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記歯列弓の前記3Dモデルの上の前記ビューウィンドウの位置を変化させることによって行うように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記29〕
前記1つ以上のプロセッサは、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する、可視光画像及び蛍光画像のうちの1つ以上である第2の画像を識別するように構成されており、前記1つ以上のプロセッサは、前記第2の画像を前記近赤外画像と同時に表示するように構成されている、付記21に記載の口腔内スキャンシステム。
〔付記30〕
患者の歯列弓の一領域を経時追跡する方法であって、
前記患者の歯列弓の第1の3次元(3D)ボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、表面値と前記歯列弓の内部構造の近赤外透明度値とを含む、前記収集するステップと、
前記3Dボリュメトリックモデルの一領域を識別するステップと、
前記識別された領域にフラグを立てるステップと、
前記患者の歯列弓の第2の3Dボリュメトリックモデルを収集するステップと、
前記フラグを立てられた領域において前記第1の3Dボリュメトリックモデルと前記第2の3Dボリュメトリックモデルとの間で異なる部分にマークを付けた1つ以上の画像を表示するステップと、
を含む方法。
〔付記31〕
患者の歯列弓の一領域を経時追跡する方法であって、
第1の時点で取得された前記患者の歯列弓の第1の3次元(3D)ボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、前記歯列弓の内部構造の表面色値及び近赤外透明度値を含む、前記収集するステップと、
自動プロセスを用いて、前記3Dボリュメトリックモデル内の、フラグを立てられるべき一領域を、複数のレコードのうちの第1のレコードから識別するステップであって、各レコードは、それぞれが画像化モダリティを使用して取得された、患者の歯列弓の複数の画像を含み、更に、前記複数のレコードの各レコードは異なる画像化モダリティにおいて取得されている、前記識別するステップと、
前記識別された領域にフラグを立てるステップと、
前記フラグを立てられた領域と前記複数のレコードの前記各レコードとを相互に関連付けることを、前記患者の歯列弓の前記3Dボリュメトリックモデルと前記複数のレコードの前記各レコードとを相互に関連付けることによって行うステップと、
別の時点で取得された前記患者の歯列弓の第2の3Dボリュメトリックモデルを収集するステップと、
前記フラグを立てられた領域において前記第1の3Dボリュメトリックモデルと前記第2の3Dボリュメトリックモデルとの間で異なる部分を表示するステップと、
を含む方法。
〔付記32〕
様々な画像化モダリティにまたがって歯特徴を追跡する方法であって、
前記患者の歯列弓の第1の3次元(3D)ボリュメトリックモデルを収集するステップであって、前記患者の歯列弓の前記3Dボリュメトリックモデルは、表面値と前記歯列弓の内部構造とを含む、前記収集するステップと、
前記患者の歯列弓の一領域を複数のレコードのうちの第1のレコードから識別するステップであって、各レコードは、それぞれが画像化モダリティを使用して取得された、前記患者の歯列弓の複数の画像を含み、更に、前記複数のレコードの各レコードは異なる画像化モダリティにおいて取得されている、前記識別するステップと、
前記患者の歯列弓の前記3Dボリュメトリックモデルの対応する領域にある前記識別された領域にフラグを立てるステップと、
前記フラグを立てられた領域と前記複数のレコードの前記各レコードとを相互に関連付けることを、前記患者の歯列弓の前記3Dボリュメトリックモデルと前記複数のレコードの前記各レコードとを相互に関連付けることによって行うステップと、
前記患者の歯列弓の前記領域を含む画像を保存、表示、及び/又は伝送するステップと、
を含む方法。
〔付記33〕
1つ以上のプロセッサと、
前記1つ以上のプロセッサと結合されたメモリであって、前記1つ以上のプロセッサで実行されると、
前記患者の歯列弓の第1の3次元(3D)ボリュメトリックモデルを収集するステップであって、前記患者の歯列弓の前記3Dボリュメトリックモデルは、表面値と前記歯列弓の内部構造とを含む、前記収集するステップと、
前記患者の歯列弓の一領域を複数のレコードのうちの第1のレコードから識別するステップであって、各レコードは、それぞれが画像化モダリティを使用して取得された、前記患者の歯列弓の複数の画像を含み、更に、前記複数のレコードの各レコードは異なる画像化モダリティにおいて取得されている、前記識別するステップと、
前記患者の歯列弓の前記3Dボリュメトリックモデルの対応する領域にある前記識別された領域にフラグを立てるステップと、
前記フラグを立てられた領域と前記複数のレコードの各レコードとを相互に関連付けることを、前記患者の歯列弓の前記3Dボリュメトリックモデルと前記複数のレコードの前記各レコードとを相互に関連付けることによって行うステップと、
前記患者の歯列弓の前記領域を含む画像を保存、表示、及び/又は伝送するステップと、
を含むコンピュータ実装命令を実施するコンピュータプログラム命令を記憶するように構成された前記メモリと、
を含むシステム。
〔付記34〕
患者の歯列弓の3次元(3D)ボリュメトリックモデルからの画像を表示する方法であって、
前記患者の歯列弓の前記3Dボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、前記歯列弓の内部構造の近赤外透明度値を含む、前記収集するステップと、
前記3Dボリュメトリックモデルの中に、前記患者の歯列弓を含み、前記内部構造の近赤外透明度を含む2次元(2D)ビューを生成するステップと、
前記2Dビューを表示するステップと、
を含む方法。
〔付記35〕
患者の歯列弓の3次元(3D)ボリュメトリックモデルからの画像を表示する方法であって、
前記患者の歯列弓の前記3Dボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、表面値と前記歯列弓の内部構造の近赤外透明度値とを含む、前記収集するステップと、
前記患者の歯列弓を含む前記3Dボリュメトリックモデルの中に、表面値と前記内部構造の近赤外透明度との両方を含む2次元(2D)ビューを生成するステップと、
前記2Dビューを表示するステップと、
を含む方法。
〔付記36〕
患者の歯列弓の3次元(3D)ボリュメトリックモデルからの画像を表示する方法であって、
前記患者の歯列弓の前記3Dボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、表面色値と前記歯列弓の内部構造の近赤外透明度値とを含む、前記収集するステップと、
前記3Dボリュメトリックモデルのビューを表示する向きをユーザが選択するステップと、
前記選択された向きを使用する、前記患者の歯列弓を含む前記3Dボリュメトリックモデルの中に、前記表面色値の重み付け部分及び前記内部構造の近赤外透明度の重み付け部分を含む2次元(2D)ビューを生成するステップと、
前記2Dビューを表示するステップと、
を含む方法。
〔付記37〕
患者の歯列弓の3次元(3D)ボリュメトリックモデルからの疑似X線画像を表示する方法であって、
前記患者の歯列弓の前記3Dボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、前記歯列弓の内部構造の近赤外透明度値を含む、前記収集するステップと、
前記患者の歯列弓を含む前記3Dボリュメトリックモデルの中に、前記内部構造の近赤外透明度を含む2次元(2D)ビューを生成するステップと、
前記2Dビュー中の前記内部構造の近赤外透明度を疑似X線密度にマッピングするステップであって、前記2Dビュー中の前記疑似X線密度値は、値が反転された前記近赤外透明度値に基づく、前記マッピングするステップと、
前記マッピングされた疑似X線密度を表示するステップと、
を含む方法。
〔付記38〕
患者の歯列弓の3次元(3D)ボリュメトリックモデルからの疑似X線画像を表示する方法であって、
前記患者の歯列弓の前記3Dボリュメトリックモデルを収集するステップであって、前記3Dボリュメトリックモデルは、表面特徴と、前記歯列弓の内部構造の、エナメル質が象牙質より透明である近赤外透明度値とを含む、前記収集するステップと、
前記患者の歯列弓を含む前記3Dボリュメトリックモデルの中に、象牙質及びエナメル質を含む前記内部構造の近赤外透明度を含む2次元(2D)ビューを生成するステップと、
前記2Dビュー中の前記内部構造の近赤外透明度を疑似X線密度にマッピングするステップであって、前記近赤外透明度値は値が反転されて前記エナメル質が前記象牙質より明るくなっている、前記マッピングするステップと、
前記マッピングされた疑似X線密度を表示するステップと、
を含む方法。
〔付記39〕
第1の画像化モダリティにおいて取得された患者の歯列弓の複数の画像を含む第1のレコードにおいて歯特徴を識別するステップと、
前記第1のレコードと前記患者の歯列弓のモデルとを相互に関連付けるステップと、
前記患者の歯列弓の前記モデルを使用して、前記歯列弓のうちの、1つ以上の異なるレコードにある前記歯特徴に対応する領域を識別するステップであって、前記1つ以上の異なるレコードの各レコードは、前記第1の画像化モダリティと異なる画像化モダリティで取得され、前記1つ以上の異なるレコードの各レコードは、前記患者の歯列弓の前記モデルと相互に関連付けられる、前記識別するステップと、
前記1つ以上の異なるレコードにある前記歯特徴に対応する前記識別された領域に基づいて、前記歯特徴の信頼度スコアを決定するステップと、
前記歯特徴の前記信頼度スコアが閾値を上回る場合に前記歯特徴を表示するステップと、
を含む、歯の診断方法。
〔付記40〕
第1の画像化モダリティにおいて取得された患者の歯列弓の複数の画像を含む第1のレコードにおいて歯特徴を識別するステップと、
前記第1のレコードと前記患者の歯列弓の3次元(3D)ボリュメトリックモデルとを相互に関連付けるステップと、
前記3Dボリュメトリックモデル上の前記歯特徴にフラグを立てるステップと、
前記患者の歯列弓の前記モデルを使用して、前記歯列弓のうちの、1つ以上の異なるレコードにある前記歯特徴に対応する領域を識別するステップであって、前記1つ以上の異なるレコードの各レコードは、前記第1の画像化モダリティと異なる画像化モダリティで取得され、前記1つ以上の異なるレコードの各レコードは、前記患者の歯列弓の前記モデルと相互に関連付けられる、前記識別するステップと、
前記1つ以上の異なるレコードにある前記歯特徴に対応する前記識別された領域に基づいて、前記歯特徴の信頼度スコアを決定又は調節するステップと、
前記歯特徴の前記信頼度スコアが閾値を上回る場合に前記歯特徴と前記歯特徴の前記信頼度スコアの指標とを表示するステップと、
を含む、歯の診断方法。
〔付記41〕
1つ以上の治療可能歯特徴を複数のレコードのうちの1つ以上のレコードから識別するステップであって、各レコードは、それぞれが画像化モダリティを使用して取得された、前記患者の歯列弓の複数の画像を含み、更に、前記複数のレコードの各レコードは異なる画像化モダリティにおいて取得されている、前記識別するステップと、
前記治療可能歯特徴を、前記1つ以上のレコードの対応する領域にマッピングするステップと、
前記1つ以上の治療可能歯特徴をレコードに記録するステップであって、前記治療可能歯特徴の場所を記録することを含む、レコードに記録する前記ステップと、
前記1つ以上の治療可能歯特徴の信頼度スコアを、前記1つ以上のレコードの前記対応する領域に基づいて調節又は決定するステップと、
前記1つ以上の治療可能歯特徴の前記信頼度スコアが閾値を上回る場合に前記1つ以上の治療可能歯特徴を表示するステップと、
を含む、歯の診断方法。
〔付記42〕
1つ以上のプロセッサと、
前記1つ以上のプロセッサと結合されたメモリであって、前記1つ以上のプロセッサで実行されると、
第1の画像化モダリティにおいて取得された患者の歯列弓の複数の画像を含む第1のレコードにおいて歯特徴を識別するステップと、
前記第1のレコードと前記患者の歯列弓のモデルとを相互に関連付けるステップと、 前記患者の歯列弓の前記モデルを使用して、前記歯列弓のうちの、1つ以上の異なるレコードにある前記歯特徴に対応する領域を識別するステップであって、前記1つ以上の異なるレコードの各レコードは、前記第1の画像化モダリティと異なる画像化モダリティで取得され、前記1つ以上の異なるレコードの各レコードは、前記患者の歯列弓の前記モデルと相互に関連付けられる、前記識別するステップと、
前記1つ以上の異なるレコードにある前記歯特徴に対応する前記識別された領域に基づいて、前記歯特徴の信頼度スコアを決定するステップと、
前記歯特徴の前記信頼度スコアが閾値を上回る場合に前記歯特徴を表示するステップと、
を含むコンピュータ実装命令を実施するコンピュータプログラム命令を記憶するように構成された前記メモリと、
を含むシステム。
Claims (21)
- 患者の歯の治療を補助するための方法であって、
プロセッサが、前記患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルの少なくとも一部分の上にビューウィンドウを表示するステップと、
前記プロセッサが、患者の歯列弓の前記3Dモデルの角度と、患者の歯列弓の前記3Dモデルの回転と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を独立に制御することによって、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置の変化をユーザから受け取るステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記プロセッサが、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を含む方法。 - 前記近赤外画像を識別する前記ステップ、及び前記識別された近赤外画像を表示する前記ステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて連続的に実施される、請求項1に記載の方法。
- 前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ビューウィンドウの平面と前記患者の歯列弓との間の角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を前記ユーザが変化させることを可能にすることを含む、請求項1に記載の方法。
- 前記識別するステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像を決定することと、前記複数の画像を平均して前記識別された近赤外画像を形成することと、を含む、請求項1に記載の方法。
- 前記プロセッサが、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像と、の両方を含むデータセットをプロセッサにおいて収集するステップを更に含む、請求項1に記載の方法。
- 前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示する前記ステップは、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することを含む、請求項1に記載の方法。
- 前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させることを可能にすることは、前記ユーザが前記ビューウィンドウを前記歯列弓の前記3Dモデルの上で動かすことを可能にすることを含む、請求項1に記載の方法。
- 前記プロセッサが、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する、可視光画像及び蛍光画像のいずれかである第2の画像を識別するステップと、前記プロセッサが、前記第2の画像を前記近赤外画像と同時に表示するステップと、を更に含む、請求項1に記載の方法。
- 前記表示された3Dモデルに対する前記ビューウィンドウの角度及び位置を近似する前記識別された近赤外画像を表示する前記ステップは、前記識別された近赤外画像を、前記患者の歯列弓の前記3Dモデルの前記表示に近接するウィンドウに表示するか、前記患者の歯列弓の前記3Dモデルの前記表示と部分的に重ねて表示することを含む、請求項1に記載の方法。
- 少なくとも1つの画像センサと近赤外波長範囲内のスペクトル範囲で発光するように構成された光源とを有する手持ち式ワンドと、
表示出力と、
ユーザ入力装置と、
前記手持ち式ワンド、前記表示出力、及び前記ユーザ入力装置に作用的に接続された1つ以上のプロセッサであって、
患者の歯列弓の3次元(3D)モデルを前記表示出力上に表示するステップと、
前記表示出力上で前記患者の歯列弓の前記3Dモデルの一部分の上にビューウィンドウを表示するステップと、
患者の歯列弓の前記3Dモデルの角度と、患者の歯列弓の前記3Dモデルの回転と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を独立に制御することによって、前記ユーザ入力装置からの入力に基づいて、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を変化させるステップと、
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を実施するように構成された前記1つ以上のプロセッサと、
を含む口腔内スキャンシステム。 - 前記1つ以上のプロセッサは、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像を受け取るように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を前記ユーザが変化させるにつれて、前記近赤外画像を識別することと、前記識別された近赤外画像を表示することと、を連続的に行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記ビューウィンドウの平面と前記患者の歯列弓との間の角度と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を変化させることによって行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記近赤外画像を識別することを、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像を決定することと、前記複数の画像を平均して前記識別された近赤外画像を形成することと、によって行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示することを、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することによって行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記ビューウィンドウに対する前記患者の歯列弓の前記3Dモデルの角度と、前記ビューウィンドウに対する前記患者の歯列弓の前記3Dモデルの回転と、前記歯列弓のうちの前記ビューウィンドウに近接する部分と、のうちの1つ以上を変化させることによって行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を、前記ユーザ入力装置からの入力に基づいて変化させることを、前記歯列弓の前記3Dモデルの上の前記ビューウィンドウの位置を変化させることによって行うように構成されている、請求項10に記載の口腔内スキャンシステム。
- 前記1つ以上のプロセッサは、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の前記複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する、可視光画像及び蛍光画像のうちの1つ以上である第2の画像を識別するように構成されており、前記1つ以上のプロセッサは、前記第2の画像を前記近赤外画像と同時に表示するように構成されている、請求項10に記載の口腔内スキャンシステム。
- 患者の歯の治療を補助するための方法であって、
プロセッサが、前記患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルの少なくとも一部分の上にビューウィンドウを表示するステップと、
前記プロセッサが、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置の変化をユーザから受け取るステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップであって、当該識別するステップは、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する複数の画像を決定することと、前記複数の画像を平均して前記識別された近赤外画像を形成することと、を含む、識別するステップと、
前記プロセッサが、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップと、
を含む方法。 - 患者の歯の治療を補助するための方法であって、
プロセッサが、前記患者の歯列弓の3次元(3D)モデルを表示するステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルの少なくとも一部分の上にビューウィンドウを表示するステップと、
前記プロセッサが、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置の変化をユーザから受け取るステップと、
前記プロセッサが、前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記プロセッサが、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップであって、前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示する前記ステップは、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することを含む、表示するステップと、
を含む方法。 - 少なくとも1つの画像センサと近赤外波長範囲内のスペクトル範囲で発光するように構成された光源とを有する手持ち式ワンドと、
表示出力と、
ユーザ入力装置と、
前記手持ち式ワンド、前記表示出力、及び前記ユーザ入力装置に作用的に接続された1つ以上のプロセッサであって、
患者の歯列弓の3次元(3D)モデルを前記表示出力上に表示するステップと、
前記表示出力上で前記患者の歯列弓の前記3Dモデルの一部分の上にビューウィンドウを表示するステップと、
前記ユーザ入力装置からの入力に基づいて、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対位置を変化させるステップと、
前記患者の歯列弓の前記3Dモデルと、前記患者の歯列弓に対する様々な角度及び位置から取得された前記患者の歯列弓の複数の画像との両方から、前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された近赤外画像を識別するステップと、
前記ビューウィンドウと前記患者の歯列弓の前記3Dモデルとの間の相対角度及び相対位置を近似する角度及び位置で取得された前記識別された近赤外画像を表示するステップであって、前記1つ以上のプロセッサは、前記患者の歯列弓の前記3Dモデルの一部分の上に前記ビューウィンドウを表示することを、前記患者の歯列弓の前記3Dモデルの前記一部分をビューすることが可能なループを表示することによって行うように構成されている、表示するステップと、
を実施するように構成された前記1つ以上のプロセッサと、
を含む口腔内スキャンシステム。
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