Study protocol for a multi-center, randomized controlled trial to develop Japanese denture adhesive guidelines for patients with complete dentures: the Denture Adhesive Guideline trial: study protocol for a randomized controlled trial

Table 1 Schedule of participants and investigators

Trial schedule	Day 0	Day 1	Day 2	Day 3	Day 4
Visit to hospital	○				○
Instructions for denture adhesives	○
Using denture adhesive		○	○	○	○
Eligibility screen	○
Informed consent	○
Patients characteristics		○
Denture satisfaction		○			○
Oral health-related quality life		○			○
Perceived chewing ability		○			○
Perceived swallowing ability					○
Occlusal bite force		○			○
Retentive force		○			○
Masticatory performance		○			○
Oral dryness	○				○
Compliance check					○

ISSN: 1745-6215