UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057782
Receipt number R000066039
Scientific Title Multicenter retrospective study of effective for computed tomography on mandibular third molar extraction
Date of disclosure of the study information 2025/05/06
Last modified on 2025/05/06 10:10:17

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Multicenter retrospective study of effective for computed tomography on mandibular third molar extraction

Acronym

Clinical study of effective for computed tomography on mandibular third molar extraction

Scientific Title

Multicenter retrospective study of effective for computed tomography on mandibular third molar extraction

Scientific Title:Acronym

Clinical study of effective for computed tomography on mandibular third molar extraction

Region

Japan


Condition

Condition

mandibular third molar

Classification by specialty

Oral surgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study compares cases where tooth extraction was performed using panoramic X-rays alone and cases where tooth extraction was performed using panoramic X-rays and CT scans, and clarifies the usefulness of CT scans despite the burden they place on patients.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The presence or absence of sensory dullness in the panorama group and the panorama + CT group.

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Cases in which the mandibular wisdom tooth was extracted at a research institution between April 1, 2018, and March 31, 2021.
Cases in which the patient was 20 years of age or older at the time of wisdom tooth extraction.
Cases in which the patient has completed treatment at our department.

Key exclusion criteria

Cases where insufficient information can be obtained due to inadequate medical records.
Cases where a cyst or tumor is present along with a wisdom tooth and is in contact with the mandibular canal.
Cases where sensory numbness has developed prior to wisdom tooth extraction.

Target sample size

3727


Research contact person

Name of lead principal investigator

1st name Hiromasa
Middle name
Last name Fukushima

Organization

Nagasaki University

Division name

Department of Oral surgery

Zip code

852-8588

Address

1-7-1, sakamoto, nagasaki, Japan

TEL

095-819-7698

Email

natsuaya1023@yahoo.co.jp


Public contact

Name of contact person

1st name Hiromasa
Middle name
Last name Fukushima

Organization

Nagasaki University Hospital

Division name

Oral surgery

Zip code

852-8588

Address

1-7-1, sakamoto, nagasaki, Japan.

TEL

095-819-7698

Homepage URL


Email

natsuaya1023@yahoo.co.jp


Sponsor or person

Institute

Nagasaki University

Institute

Department

Personal name



Funding Source

Organization

Nagasaki University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nagasaki University

Address

1-7-1, sakamoto, nagasaki, Japan.

Tel

0958197698

Email

natsuaya1023@yahoo.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2025 Year 05 Month 06 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2025 Year 05 Month 06 Day

Date of IRB


Anticipated trial start date

2025 Year 05 Month 06 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

None


Management information

Registered date

2025 Year 05 Month 06 Day

Last modified on

2025 Year 05 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066039