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[Study of angle between maxillary incisor and alveolar bone using cone-beam CT]
1Wuhan Puren Hospital. Wuhan 430081, Hubei Province, China.
Shanghai Kou Qiang Yi Xue = Shanghai Journal of Stomatology
|December 5, 2017
Summary
The angle between the maxillary incisor and alveolar bone increases with age, as measured by cone-beam CT (CBCT). This measurement is crucial for planning anterior dental implants, especially in older patients.
Area of Science:
- Dental Implantology
- Radiology
- Oral Surgery
Background:
- Accurate assessment of the maxillary incisor and alveolar bone angle is vital for successful anterior dental implantation.
- Cone-beam CT (CBCT) offers a precise method for evaluating this anatomical relationship.
Purpose of the Study:
- To measure the angle between the maxillary incisor and alveolar bone using CBCT.
- To assess preoperative risks and guide anterior dental implant placement.
- To investigate the influence of age and sex on this angle.
Main Methods:
- 374 patients were categorized into three age groups (18-34, 35-59, 60+ years).
- Cone-beam CT (CBCT) scans were performed preoperatively.
- The angle was measured using Kavo eXam Vision software and analyzed with SPSS.
Main Results:
- The mean angle increased with age: 13.81±4.37° (Group 1), 15.19±5.23° (Group 2), and 18.51±6.62° (Group 3).
- Significant differences in the angle were observed between all age groups.
- No significant sex-based differences were found within each age group.
Conclusions:
- The angle between the maxillary incisor and alveolar bone progressively increases with age.
- CBCT is recommended for measuring this angle to ensure aesthetic outcomes in anterior dental implant patients.
- Particular attention should be paid to older patients due to age-related angle changes.
