Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 3:33 PM
Ignite Modification Date: 2025-12-24 @ 3:33 PM
NCT ID: NCT03343392
Eligibility Criteria: Inclusion Criteria: * Patients were at least 18 years old. * Patients had good general and oral health, and did not report any type of tooth sensitivity (TS). * The participants were required to have six caries-free maxillary anterior teeth and without restorations, absence of periodontal disease and must reviewed and signed the informed consent form. * The central incisors should be shade A2 or darker as judged by comparison with a value-oriented shade guide (Vita Classical, Vita Zahnfabrik, Bad Säckingen, Germany). Exclusion Criteria: * Participants with anterior restorations or dental prosthesis, with orthodontics apparatus, with severe internal tooth discoloration (tetracycline stains, fluorosis, pulpless teeth) were not included in the study. * Pregnant/lactating women, participants with any other pathology that could cause sensitivity (such as recession, dentine exposure, presence of visible cracks in teeth), taking anti-inflammatory and/or analgesic drugs, smokers, bruxists or participants that had undergone tooth-whitening procedures were also excluded. * Patients that reported some earlier or present health problems in stomach, heart, kidney and liver, participants reporting continuous use of anti-inflammatory and/or analgesic drugs were excluded. * Diabetics, hypertensive or patients with known allergy to acetaminophen and lactose.
Healthy Volunteers: True
Sex: ALL
Minimum Age: 18 Years
Study: NCT03343392
Study Brief:
Protocol Section: NCT03343392