Partial Edentulism
Conditions
Interventions
Sponsors
Eligibility
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
| Measure | Time frame |
|---|---|
| Anatomical features of the nasopalatine canal;Virtual implant perforation rate; | — |
Countries
China
Contacts
Zhejiang Provincial People's Hospital