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Analysis of Nasopalatine Canal Anatomical Features and Correlated Factors of Perforation in Virtual Implant Placement of Maxillary Central Incisors: A CBCT-Based Retrospective Study

Analysis of Nasopalatine Canal Anatomical Features and Correlated Factors of Perforation in Virtual Implant Placement of Maxillary Central Incisors: A CBCT-Based Retrospective Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500108600
Enrollment
Unknown
Registered
2025-09-02
Start date
2025-09-02
Completion date
Unknown
Last updated
2025-09-08

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

Conditions

Partial Edentulism

Interventions

Intact Dentition Group:none
Partially Edentulous Group:None

Sponsors

Zhejiang Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years old and <= 80 years old; 2.The upper and lower dental arches and jawbone relationship are basically normal. 3.Complete dentition or missing one or more central incisors in the maxillary anterior region; 4.No severe periodontal disease or apical periodontitis in the maxillary anterior region; 5.The images of the maxillary anterior teeth are clear, structurally intact, and free of obvious artifacts. The images on both sides are symmetrical and free of obvious skewing.

Exclusion criteria

Exclusion criteria: 1.Patients with supernumerary teeth or impacted teeth in the anterior region; 2.Severe malocclusion or pathological changes such as cysts are present in the maxillary anterior region. 3.Patients with a history of jawbone fractures or who have undergone jawbone surgery; 4.Patients undergoing orthodontic treatment; 5.Patients with nasal palate lesions (such as nasal palate cysts); 6.Poor image quality, with artifacts or missing image information; 7.Patient basic information is missing.

Design outcomes

Primary

MeasureTime frame
Anatomical features of the nasopalatine canal;Virtual implant perforation rate;

Countries

China

Contacts

Public ContactLinhong Wang

Zhejiang Provincial People's Hospital

wanglinhong03@126.com+86 571 87666666

Outcome results

None listed

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