Variation in Gingival Inflammatory Responses

Description

The aim of this NIH National Institute of Dental and Craniofacial Research (NIDCR) funded study is to identify molecular mechanisms underlying observed variations in human responses to natural accumulation and maturation of dental plaque.

Conditions

Gingivitis

Study Overview

Study Details

Study overview

The aim of this NIH National Institute of Dental and Craniofacial Research (NIDCR) funded study is to identify molecular mechanisms underlying observed variations in human responses to natural accumulation and maturation of dental plaque.

Mechanisms Underlying the Variation in Rate and Levels of Gingival Inflammatory Responses Among the Human Population

Variation in Gingival Inflammatory Responses

Condition
Gingivitis
Intervention / Treatment

-

Contacts and Locations

Seattle

University of Washington, Seattle, Washington, United States, 98195

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Provide signed and dated informed consent form
  • * Willing to comply with all study procedures and be available for the duration of the study
  • * Male or female, aged 18-35 years
  • * Good general health, ASA I (healthy with no systemic conditions)
  • * No clinical signs of gingival inflammation at \> 90% of sites observed (whole mouth) (\< 10% of sites with GI of \< 2 and no sites with a score of 3; \< 10% sites with BOP +).
  • * Probing depth (PD) ≤ 3.0 mm (Whole Mouth)
  • * Attachment loss (AL) = 0 mm (Whole Mouth)
  • * Gingival health at Visit 2 (Day 0) for study sites (Test/Control teeth): Average Gingival Index (GI) ≤ 0.1 with no site having a score of 3 and bleeding on probing (BOP)(-)
  • * Never smokers
  • * The ability to understand and communicate with the examiner.
  • * Willing and able to comply with study procedures.
  • * Medical condition which requires premedication prior to dental treatments/visits
  • * Subjects unable or unwilling to sign the informed consent form
  • * History of periodontal disease
  • * History of systemic inflammatory or immune conditions, Diabetes
  • * Use of antibiotic or anti-inflammatory drugs within 30 days of enrollment
  • * Self-reported pregnancy, planned pregnancy during the planned study commitment, and/or breastfeeding at the time of screening.
  • * Concurrent orthodontic treatment
  • * Untreated carious lesions and/or inadequate restorations on maxillary posterior teeth
  • * Participation in any other clinical study or test panel within 1 week prior to enrollment into this study
  • * Use of tobacco products
  • * Subjects who must receive dental treatment during the study dates
  • * Orthodontic bands, appliances, or crowns and bridges, or removable partial dentures affecting the maxillary posterior teeth
  • * Missing tooth/teeth within the study sites test and control
  • * History of allergy to common dentifrice ingredients
  • * Immune-compromised individuals (for example: HIV, AIDS, and immune-suppressive drug therapy)

Ages Eligible for Study

18 Years to 35 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

University of Washington,

Jeffrey S McLean, PhD, PRINCIPAL_INVESTIGATOR, University of Washington

Study Record Dates

2027-12-31