ArticleJournal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]2026
3D-Analysis of Correlations Between Facial Measurements and Maxillary Anterior Tooth Dimensions Using Integrated Facial and Intraoral Datasets.
Article in Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.], 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aimed to evaluate associations between facial measurements and maxillary anterior tooth dimensions using integrated three-dimensional (3D) facial and intraoral datasets. MATERIALS AND
methodsEighty-one participants underwent facial and intraoral 3D scanning. Intraoral parameters included mesiodistal (MeanW1-3) and cervicoincisal dimensions (MeanL1-3) of maxillary anterior teeth and canine tip-to-tip distance (TTD). Extraoral parameters comprised interpupillary (IPD), innercanthal (ICD), and interalar distances (IAD). Intra-examiner reliability was evaluated, and Pearson correlation analyses and proportional ratios were calculated.
resultsMean measurements were MeanW1 8.76 ± 0.54 mm, MeanL1 10.3 ± 1.01 mm, TTD 34.4 ± 2.21 mm, IAD 33.5 ± 2.89 mm, IPD 61.1 ± 3.29 mm, and ICD 37.0 ± 3.39 mm. IAD showed significant correlations with MeanW1 (p = 0.022) and TTD (p = 0.004), whereas IPD correlated only with TTD (p = 0.006). ICD showed no significant correlations. The TTD/IAD ratio (1.03 ± 0.09) remained consistent across participants. One quarter of TTD approximated the width of a central incisor (MeanW1/TTD = 0.255 ± 0.014).
conclusionIAD demonstrated the most consistent association with anterior tooth dimensions. The ratio between TTD and IAD was 1.03. CLINICAL SIGNIFICANCE: The established ratio between TTD/IAD was approximately 1:1, and one quarter of the TTD corresponded to the width of a central incisor. These measured proportions provide quantitative facial and dental relationships that support the preliminary estimation of anterior tooth dimensions when pre-extraction records are absent.
trial registrationhttps://drks.de/search/de/trial/DRKS00030166.
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