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Dental Implant Care and Oral Hygiene Practices

N

National University Health System, Singapore

Status

Completed

Conditions

Dental Plaque
Peri-implant Mucositis
Peri-Implantitis

Treatments

Procedure: non-surgical periodontal treatment

Study type

Observational

Funder types

Other

Identifiers

NCT03497065
2017/00027

Details and patient eligibility

About

Objective: This study investigated how patients' knowledge, attitude, and perceptions influence their oral hygiene practices as well as peri-implant health. Materials and Methods: Participants with single implant crowns placed in 2007-2011 completed a questionnaire that examined their knowledge, attitude, and perceptions on oral hygiene practices and peri-implant health before receiving a periodontal examination, prophylaxis, and oral hygiene education. Clinical parameters recorded were peri-implant probing depths and plaque index, width of keratinized mucosa, implant crown characteristics, reason for tooth loss, and diagnosis of peri-implant health.

Full description

First, a trained clinical research dental assistant interviewed the participants and showed them pictures of oral hygiene aids so that the participants could answer the survey questions accurately. Subsequently, a periodontal examination, dental prophylaxis, and oral hygiene education were performed. Participants with active diseases e.g. caries, periodontitis, or peri-implantitis were referred for further management. The following clinical parameters were recorded during the examination:

  1. Probing depths at 6 sites around the implant (mesiobuccal, midbuccal, distobuccal, distolingual, midlingual and mesiolingual)

  2. Plaque index (Silness & Loe 1964) at 4 sites around the implant (mesial, buccal, distal and lingual)

  3. Amount of keratinized mucosa at the implant site

  4. Characteristics of the implant crown:

    • Type of implant crown (screw- or cement-retained) and
    • Position of crown margins (supra-, equi- or sub-gingival)
  5. Reason(s) for tooth loss

  6. Diagnosis of peri-implant health

    • Normal
    • Mucositis, defined as 3 or more bleeding points per implant
    • Peri-implantitis, defined as implant thread exposure that was either clinically visible or detectable with a periodontal probe.

Enrollment

79 patients

Sex

All

Ages

21 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • English speaking patient
  • Aged 21 years old or above
  • Received at least 1 implant-supported single crown from NUH in the year 2007-2011 (in functional loading for at least 5 years)

Exclusion criteria

  • Implant is used to restore overdentures or multi-unit restorations such as splinted crowns, fixed partial dentures, and cantilevers.
  • Pregnant/lactating women
  • Parkinson's disease or any other debilitating diseases
  • Physical or mental disabilities that may impair oral hygiene practices
  • Poorly controlled diabetes
  • Heavy smoker (10 or more cigarettes per day)
  • Radiation therapy in head and neck region
  • HIV, TB, hepatitis or other infectious diseases
  • Drug and alcohol abuse

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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