Reliability of radiographic findings in large FOV CBCTs of mandibular third molars as basis for pre-operative patient information

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Reliability of radiographic findings in large FOV CBCTs of mandibular third molars as basis for pre-operative patient information. / Matzen, Louise Hauge; Schropp, Lars; Hermann, Louise et al.

I: Acta Odontologica Scandinavica, Bind 80, Nr. 3, 04.2022, s. 210-217.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Matzen LH, Schropp L, Hermann L, Ingerslev J, Wenzel A. Reliability of radiographic findings in large FOV CBCTs of mandibular third molars as basis for pre-operative patient information. Acta Odontologica Scandinavica. 2022 apr.;80(3):210-217. Epub 2021 okt.. doi: 10.1080/00016357.2021.1987513

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@article{a20ca19ea73240bb8d5f13d00ad092d8,
title = "Reliability of radiographic findings in large FOV CBCTs of mandibular third molars as basis for pre-operative patient information",
abstract = "Objective: The aim of this study was to assess the relation between radiographic findings in large field of view (FOV) cone beam computed tomography (CBCT) exams and clinical findings of mandibular third molars in relation to the pre-operative patient information. Material and Methods: Two hundred and nine mandibular third molars in 134 orthognathic patients examined with CBCT were removed. Three observers assessed tooth- and mandibular canal-related variables in CBCT images, and the findings were correlated to clinical findings during surgery for all observers: tooth angulation, number and morphology of roots and close relationship between the tooth and the mandibular canal. Moreover, positive (PPV) and negative (NPV) predictive values and positive (LR+) and negative (LR-) likelihood ratios were calculated for the canal-related variables. Inter- and intra-observer reproducibility was expressed as percentage accordance and kappa-statistics. Results: Generally, there was high correlation between radiographic and clinical tooth-related variables. The opposite was true for the canal-related variables, since the PPV and LR + were low. The highest PPV and LR + were found when the mandibular canal was positioned between the roots of the third molar. Conclusions: Tooth-related findings in CBCT are reliable, whereas mandibular canal-related findings should not affect the information provided to the patient pre-operatively.",
keywords = "Molar, cone beam CT, radiography, reliability, third, CONE-BEAM CT, REMOVAL, RISK, SAGITTAL SPLIT OSTEOTOMY, Reproducibility of Results, Humans, Mandible/diagnostic imaging, Tooth, Impacted, Molar, Third/diagnostic imaging, Cone-Beam Computed Tomography/methods",
author = "Matzen, {Louise Hauge} and Lars Schropp and Louise Hermann and Janne Ingerslev and Ann Wenzel",
year = "2022",
month = apr,
doi = "10.1080/00016357.2021.1987513",
language = "English",
volume = "80",
pages = "210--217",
journal = "Acta Odontologica Scandinavica",
issn = "0001-6357",
publisher = "Taylor & Francis ",
number = "3",

}

RIS

TY - JOUR

T1 - Reliability of radiographic findings in large FOV CBCTs of mandibular third molars as basis for pre-operative patient information

AU - Matzen, Louise Hauge

AU - Schropp, Lars

AU - Hermann, Louise

AU - Ingerslev, Janne

AU - Wenzel, Ann

PY - 2022/4

Y1 - 2022/4

N2 - Objective: The aim of this study was to assess the relation between radiographic findings in large field of view (FOV) cone beam computed tomography (CBCT) exams and clinical findings of mandibular third molars in relation to the pre-operative patient information. Material and Methods: Two hundred and nine mandibular third molars in 134 orthognathic patients examined with CBCT were removed. Three observers assessed tooth- and mandibular canal-related variables in CBCT images, and the findings were correlated to clinical findings during surgery for all observers: tooth angulation, number and morphology of roots and close relationship between the tooth and the mandibular canal. Moreover, positive (PPV) and negative (NPV) predictive values and positive (LR+) and negative (LR-) likelihood ratios were calculated for the canal-related variables. Inter- and intra-observer reproducibility was expressed as percentage accordance and kappa-statistics. Results: Generally, there was high correlation between radiographic and clinical tooth-related variables. The opposite was true for the canal-related variables, since the PPV and LR + were low. The highest PPV and LR + were found when the mandibular canal was positioned between the roots of the third molar. Conclusions: Tooth-related findings in CBCT are reliable, whereas mandibular canal-related findings should not affect the information provided to the patient pre-operatively.

AB - Objective: The aim of this study was to assess the relation between radiographic findings in large field of view (FOV) cone beam computed tomography (CBCT) exams and clinical findings of mandibular third molars in relation to the pre-operative patient information. Material and Methods: Two hundred and nine mandibular third molars in 134 orthognathic patients examined with CBCT were removed. Three observers assessed tooth- and mandibular canal-related variables in CBCT images, and the findings were correlated to clinical findings during surgery for all observers: tooth angulation, number and morphology of roots and close relationship between the tooth and the mandibular canal. Moreover, positive (PPV) and negative (NPV) predictive values and positive (LR+) and negative (LR-) likelihood ratios were calculated for the canal-related variables. Inter- and intra-observer reproducibility was expressed as percentage accordance and kappa-statistics. Results: Generally, there was high correlation between radiographic and clinical tooth-related variables. The opposite was true for the canal-related variables, since the PPV and LR + were low. The highest PPV and LR + were found when the mandibular canal was positioned between the roots of the third molar. Conclusions: Tooth-related findings in CBCT are reliable, whereas mandibular canal-related findings should not affect the information provided to the patient pre-operatively.

KW - Molar

KW - cone beam CT

KW - radiography

KW - reliability

KW - third

KW - CONE-BEAM CT

KW - REMOVAL

KW - RISK

KW - SAGITTAL SPLIT OSTEOTOMY

KW - Reproducibility of Results

KW - Humans

KW - Mandible/diagnostic imaging

KW - Tooth, Impacted

KW - Molar, Third/diagnostic imaging

KW - Cone-Beam Computed Tomography/methods

U2 - 10.1080/00016357.2021.1987513

DO - 10.1080/00016357.2021.1987513

M3 - Journal article

C2 - 34649477

VL - 80

SP - 210

EP - 217

JO - Acta Odontologica Scandinavica

JF - Acta Odontologica Scandinavica

SN - 0001-6357

IS - 3

ER -