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Leveraging three-dimensional craniofacial morphology for customized abutment design using facial scanning technology
Kaijin Lin1,2, Yongqing Guo1,2, Shuang Wu3
1Clinical Research Center for Oral Tissue Deficiency Diseases of Fujian Province & Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China.
Facial width measurements like interlateral canthus width (LCW) and intermedial canthus width (MCW) can predict dental cervical morphology (DCM) in Chinese adults. This correlation aids in personalized dental restorations.
Area of Science:
- Dental Morphology
- Facial Anthropometry
- Biometric Analysis
Background:
- Understanding the relationship between facial morphology and dental structures is crucial for prosthodontics.
- Previous research has explored correlations, but specific predictive models for dental cervical morphology (DCM) based on facial parameters require further investigation, especially in diverse populations.
Purpose of the Study:
- To investigate the correlation between dental cervical morphology (DCM) of maxillary anterior teeth and specific facial parameters.
- To validate the predictive efficacy of facial parameters for DCM in a Chinese population.
- To establish potential clinical applications in prosthodontic treatments.
Main Methods:
- A cross-sectional study involving 147 Chinese volunteers.
- 3D facial scanning for facial parameter acquisition and reverse engineering software for measurement.
- Cone beam computed tomography (CBCT) for quantifying DCM at the cemento-enamel junction (CEJ).
- Pearson correlation and linear regression analyses were performed.
Main Results:
- Significant correlations were found between DCM and interlateral canthus width (LCW) in males (P<0.05) and intermedial canthus width (MCW) in females (P<0.05).
- Regression models demonstrated no significant differences between predicted and actual DCM values using LCW for males and MCW for females (P>0.05).
Conclusions:
- Dental cervical morphology (DCM) of maxillary anterior teeth is associated with facial width.
- Interlateral canthus width (LCW) in males and intermedial canthus width (MCW) in females show potential as predictors for DCM.
- Facial morphology provides a reliable basis for designing customized abutments in clinical prosthodontics, improving accuracy and efficiency.
