Measurability and reliability of assessments of root length and marginal bone level in cone beam CT and intraoral radiography: a study of adolescents

Dento Maxillo Facial Radiology
Ayman Al-OkshiChristina Lindh

Abstract

To evaluate measurability and reliability of measurements of root length and marginal bone level in CBCT, periapical (PA) and bitewing (BW) radiographs. CBCT of both jaws, PA of maxillary incisors and posterior BW radiographs of 10 adolescents (mean age 13.4) were selected. The radiographs comprised part of the baseline examinations of a trial of orthodontic treatment. Six raters assessed measurability and measured root length and marginal bone level. Three raters repeated their assessments. Measurability was expressed as frequency of interpretable sites and reliability as intraclass correlation coefficient (ICC). Measurability was 100 % in CBCT and 95 % in PA of maxillary incisors for root length measurements. For marginal bone level, measurability was 100 % in CBCT, 76 % in PA and 86 % in posterior BW. Mean ICC for interrater reliability for root length measurements in CBCT was 0.88 (range 0.27-0.96 among different teeth) and 0.69 in PA of maxillary incisors. For marginal bone level measurements, mean ICC was 0.4 in CBCT, 0.38 in PA of maxillary incisors and 0.4 in posterior BW. Intrarater reliability varied among methods, root length or marginal bone level and among raters, except for root length measurements in CBCT, which ...Continue Reading

References

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Apr 5, 2016·Dento Maxillo Facial Radiology·Anna SennebyMadeleine Rohlin
Dec 3, 2016·Dento Maxillo Facial Radiology·Ayman Al-OkshiChristina Lindh
Sep 6, 2017·Dento Maxillo Facial Radiology·Rubens Spin-NetoAnn Wenzel

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Citations

Jul 9, 2021·Dento Maxillo Facial Radiology·Maurice RuettersSinan Sen
Feb 2, 2022·Clinical Oral Investigations·Maurice RuettersSinan Sen

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