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Research article
Hitoshi AKIYAMA
Nippon Dental University Hospital at Tokyo
Corresponding Author
ORCiD: https://orcid.org/0000-0002-1530-2170
License:
This work is licensed under a CC BY 4.0 License. Read Full License
The purpose of the present study is to develop a small-sized retentive force measurement device that can easily measure the retentive force of a clasp used for a removable partial denture in daily clinical practice, and it is to examine the inter-rater and intra-rater reliability. A small-sized retentive force measurement device that can be easily measured in clinic has been developed. Using commercially available hard plaster cast, a skilled dental technician has made 10 types of cast clasps used in clinical practice using conventional techniques. There were 3 assessors who measured the retentive force of 10 types of cast clasps. In order to confirm the reliability, the intra-class correlation coefficients ICC (1,1) and ICC (1,3) of the 3 assessors were calculated, and the reliability within the assessor was examined. Further, the inter-class correlation coefficients ICC (3,1) and ICC (3,3) were calculated, and the reliability between the measurers was examined. The intra-class correlation coefficients of 3 assessors are as follows: assessor 1 has ICC (1,1) = 0.971, ICC (1,3) = 0.990, assessor 2 has ICC (1,1) = 0.967, ICC (1,3) = 0.989, assessor 3 has ICC (1,1) = 0.962, ICC (1,3) = 0.987. The inter-class correlation coefficients of 3 assessors are as follows: ICC (3,1) = 0.993, ICC (3,3) = 0.998. From the evaluation standard of the intraclass correlation coefficients of reliability value by ICC, it was evaluated as almost perfect and high reproducibility was confirmed. The developed small-sized retentive force measurement device has reproducibility within and between the assessors.
Keywords
Dental abutment, Prosthesis retention, Removable partial denture, Dental clasp, Intraclass correlation coefficient
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CURRENT STATUS: Published
View the published article at BMC Oral Health.
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Posted 11 Mar, 2020
No community comments so far
Editorial decision: Major revision
On 22 Apr, 2020
Review #1 received
Received 13 Apr, 2020
Review #2 received
Received 12 Apr, 2020
Reviewer #2 agreed
On 02 Apr, 2020
Reviewer #1 agreed
On 30 Mar, 2020
Reviewers invited
Invitations sent on 11 Mar, 2020
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On 06 Mar, 2020
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On 05 Mar, 2020
Editor invited
On 05 Mar, 2020
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Subject Areas
Dentistry
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A new preprint design is coming!
We have improved readability, clarity, accessibility, and opportunities for engagement.
See the published version of this preprint at BMC Oral Health.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research article
Hitoshi AKIYAMA
Nippon Dental University Hospital at Tokyo
Corresponding Author
ORCiD: https://orcid.org/0000-0002-1530-2170
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Oral Health.
Version 1
Posted 11 Mar, 2020
No community comments so far
Editorial decision: Major revision
On 22 Apr, 2020
Review #1 received
Received 13 Apr, 2020
Review #2 received
Received 12 Apr, 2020
Reviewer #2 agreed
On 02 Apr, 2020
Reviewer #1 agreed
On 30 Mar, 2020
Reviewers invited
Invitations sent on 11 Mar, 2020
Editor assigned
On 06 Mar, 2020
Submission checks complete
On 05 Mar, 2020
Editor invited
On 05 Mar, 2020
First submitted
On 04 Mar, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Dentistry
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Oral Health.
The purpose of the present study is to develop a small-sized retentive force measurement device that can easily measure the retentive force of a clasp used for a removable partial denture in daily clinical practice, and it is to examine the inter-rater and intra-rater reliability. A small-sized retentive force measurement device that can be easily measured in clinic has been developed. Using commercially available hard plaster cast, a skilled dental technician has made 10 types of cast clasps used in clinical practice using conventional techniques. There were 3 assessors who measured the retentive force of 10 types of cast clasps. In order to confirm the reliability, the intra-class correlation coefficients ICC (1,1) and ICC (1,3) of the 3 assessors were calculated, and the reliability within the assessor was examined. Further, the inter-class correlation coefficients ICC (3,1) and ICC (3,3) were calculated, and the reliability between the measurers was examined. The intra-class correlation coefficients of 3 assessors are as follows: assessor 1 has ICC (1,1) = 0.971, ICC (1,3) = 0.990, assessor 2 has ICC (1,1) = 0.967, ICC (1,3) = 0.989, assessor 3 has ICC (1,1) = 0.962, ICC (1,3) = 0.987. The inter-class correlation coefficients of 3 assessors are as follows: ICC (3,1) = 0.993, ICC (3,3) = 0.998. From the evaluation standard of the intraclass correlation coefficients of reliability value by ICC, it was evaluated as almost perfect and high reproducibility was confirmed. The developed small-sized retentive force measurement device has reproducibility within and between the assessors.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
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