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A study on periodontal biotypes of maxillary anterior teeth in Changji area, Xinjiang

A study on periodontal biotypes of maxillary anterior teeth in Changji area, Xinjiang

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200064364
Enrollment
Unknown
Registered
2022-10-04
Start date
2022-10-01
Completion date
Unknown
Last updated
2023-05-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

maxillary anterior teeth periodontal biotype

Interventions

none:none

Sponsors

Changji Hui Autonomous Prefecture People's Hospital of Xinjiang Uygur Autonomous Region
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Uyghurs and Han people in Xinjiang are born and live in Xinjiang, and have no special eating habits; 2. The dentition of the upper anterior teeth is complete, with no supernumerary teeth or congenitally missing teeth, normal or I degree deep overburden; 3. The periodontal tissue of the upper anterior teeth 13-23 is healthy, PPD <= 3mm, BI <= 2mm (Mazza bleeding index in 1981), no gingival recession, no restorations, and fillings, no wear and no involvement of incisal margins or adjacent surface defects.

Exclusion criteria

Exclusion criteria: 1. History of systemic disease and history of iodine allergy; 2. Women who are pregnant or breastfeeding; 3. Taking drugs that may cause gingival tissue hyperplasia in the past three months; 4. Smoking history; 5. Grinding teeth or mouth breathing at night.

Design outcomes

Primary

MeasureTime frame
Gum thickness classification;keratinized gingiva width;Gingival papilla height;Crown width to length ratio;Labial free gingival margin curvature;Gingival thickness on the labial side of maxillary anterior teeth;

Countries

china

Contacts

Public ContactShiwei Chen

Changji Hui Autonomous Prefecture People's Hospital of Xinjiang Uygur Autonomous Region/Affiliated Stomatological Hospital of Fujian Medical University

305192803@qq.com+86 15859006308

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026