UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000059157
Receipt number R000067668
Scientific Title Cohort study of gingival recession utilizing an intraoral scanner and root caries
Date of disclosure of the study information 2025/10/01
Last modified on 2025/09/22 14:28:21

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Basic information

Public title

Prospective study of gingival recession utilizing an intraoral scanner and root caries

Acronym

Prospective study of gingival recession and root caries

Scientific Title

Cohort study of gingival recession utilizing an intraoral scanner and root caries

Scientific Title:Acronym

Cohort study of gingival recession and root caries

Region

Japan


Condition

Condition

Gingival recession, Root caries

Classification by specialty

Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Characterize the extent and location of gingival recession in patients with the recession, and evaluate dental indicators and lifestyle factors associated with long-term progression of gingival recession and development of root caries.

Basic objectives2

Others

Basic objectives -Others

Amount of gingival recession, Root caries

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Amount of gingival recession, Root caries

Key secondary outcomes

Age
Gender
Number of teeth
Dental formula
Types of oral hygiene tools used daily
Toothbrush bristle hardness
Tooth brushing time per session
Daily tooth brushing frequency
Awareness of avoiding excessive brushing force
History of orthodontic treatment
Presence of daily dry mouth sensation (excluding upon waking or during times of tension)
Medication status
Report of teeth grinding during sleep
Presence of jaw pain or fatigue upon waking
Self awareness of gingival recession
Dominant hand used for holding toothbrush during brushing
Plaque Control Record (PCR)
Probing Pocket Depth (PPD)
Bleeding On Probing (BOP)


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

40 years-old <=

Age-upper limit

79 years-old >=

Gender

Male and Female

Key inclusion criteria

Aged between 40 and 79 years.
Presence of more than 20 natural teeth and gingival recession in at least one tooth.
No untreated root caries observed.
Regular visits to the Senri Dental Clinic affiliated with the Sunstar Foundation.
Written informed consent obtained from participants after explanation by investigators using study information documents.

Key exclusion criteria

Pregnancy or lactation.
Current orthodontic treatment.
Presence of areas difficult to capture with intraoral scanning (e.g., severe dental crowding).
Periodontal surgery within the previous 3 months.
Other individuals deemed unqualified by the examining dentist or dental hygienist.

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Keisuke
Middle name
Last name Kato

Organization

Sunstar Inc.

Division name

Oral care, R&D

Zip code

569-1195

Address

3-1 Asahi-machi, Takatsuki, Osaka, Japan

TEL

08099374061

Email

keisuke.kato@sunstar.com


Public contact

Name of contact person

1st name Minami
Middle name
Last name Kondo

Organization

Sunstar Inc.

Division name

Oral care, R&D

Zip code

569-1195

Address

3-1 Asahi-machi, Takatsuki, Osaka, Japan

TEL

08083034326

Homepage URL


Email

minami.kondo@sunstar.com


Sponsor or person

Institute

Sunstar Inc.

Institute

Department

Personal name



Funding Source

Organization

Sunstar Inc.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Sunstar Foundation

Name of secondary funder(s)

8020 Promotion Foundation


IRB Contact (For public release)

Organization

Validity Evaluation Committee, Sunstar Inc.

Address

Asia One Center 8F, 1-17 Koyochonaka, Higashinada-ku, Kobe, Hyogo, Japan

Tel

08083359125

Email

takeshi.kanamori@sunstar.com


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

・サンスター株式会社(大阪府)
・一般財団法人サンスター財団附属千里歯科診療所(大阪府)


Other administrative information

Date of disclosure of the study information

2025 Year 10 Month 01 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

62

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

No longer recruiting

Date of protocol fixation

2023 Year 01 Month 06 Day

Date of IRB

2023 Year 01 Month 06 Day

Anticipated trial start date

2023 Year 02 Month 27 Day

Last follow-up date

2025 Year 07 Month 05 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Prospective observational study


Management information

Registered date

2025 Year 09 Month 22 Day

Last modified on

2025 Year 09 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067668