Maxillary Anterior Teeth Dimensions and Relative Width Proportions: A Narrative Literature Review

Cinelli, Francesca; Piva, Francesco; Bertini, Fabio; Russo, Daniele Scaminaci; Giachetti, Luca

doi:10.3390/dj12010003

Cited by 3 publications

(2 citation statements)

References 53 publications

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“…Ward estimated that when the patient looks straight ahead, each subsequent tooth becomes smaller and smaller, evaluating the face from a frontal perspective. This assessment underlines the importance of gradual diminution in tooth size from the central incisors to the canines, adhering to a natural, aesthetically pleasing progression [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 82%

“…The application of aesthetic principles such as the golden ratio by pioneers like Lombardi and Levin, alongside the introduction of the recurring aesthetic dental assessment by Ward, underscores a methodical approach to dental aesthetics. These frameworks provide a scientific underpinning for smile design, echoing the ancient pursuit of aesthetic excellence while catering to individual patient preferences and anatomical considerations [1][2][3][4][5].…”

Section: Discussionmentioning

confidence: 99%

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Soft Tissue Retraction Maneuver in Cone Beam Computed Tomography Prior to Crown-Lengthening Procedure—A Technical Note

Adamska,

Stasiak,

Dąbrowski

et al. 2024

JCM

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Background: An accurate determination of the biological width and the relationship of the cemento-enamel junction with the border of the alveolar bone is crucial during a clinical crown-lengthening (CCL) procedure. The aim of this study was to present a technical note about the retraction techniques in cone beam computed tomography (CBCT) prior to CCL, highlighting the significant enhancement in procedural accuracy and predictability that these techniques offer. Methods: Clinical and radiological examinations should be performed before a CCL procedure. It is necessary to determine the length of the tooth crowns, the periodontal pockets’ depth, and the phenotype of the gingiva. The ideal CBCT examination should be performed with soft tissue retraction. This can be achieved using retractors or cotton rolls. Results: Retraction of the lips, cheeks, and tongue allows one to assess the marginal gingiva, the cemento-enamel junction, and the alveolar bone. A detailed plan of the CCL procedure, which involves retraction, ensures both the aesthetic appeal and the achievement of a newly defined gingival zenith, enhancing the overall visual harmony. Conclusions: Compared with conventional radiographic imaging, the soft tissue retraction maneuver in CBCT prior to CCL surgery offers an effective approach to the evaluation and diagnosis of soft and hard tissue. This is because of the detailed planning of the aesthetic CCL procedure. Such an approach leads to superior aesthetic outcomes in dentistry, contributing to the advancement of aesthetic dentistry through a harmonious blend of art and science.

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Section: Introductionmentioning

confidence: 82%

Section: Discussionmentioning

confidence: 99%

Soft Tissue Retraction Maneuver in Cone Beam Computed Tomography Prior to Crown-Lengthening Procedure—A Technical Note

Adamska,

Stasiak,

Dąbrowski

et al. 2024

JCM

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The Relationship between the Length/Width of the Face and the Length/Width of the Crown of the Permanent Upper Central Incisors

Dervarič,

Fekonja

2024

JCM

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Background: The face, with its attractiveness, is positively connected with self-esteem and interpersonal relationships, and the maxillary central incisors are the most noticeable teeth and crucial for smile aesthetics. The aim of this study is to examine facial and permanent upper central incisors’ clinical crown dimensions and their correlations to establish whether there is a relationship between the length/width of the face and the length/width of the clinical crown of the permanent upper central incisors. Methods: This study included 100 subjects (43 males and 57 females) with a mean age of 17.5 ± 3.4 years before orthodontic treatment. Facial length and width were measured using a cephalometer by the same orthodontist and the upper central incisors’ clinical crown lengths and widths were measured using a sliding calliper by the same dental student. Data were analysed using SPSS version 29.0, presenting descriptive statistics for age, facial and upper central incisor crown dimensions, and indices. Pearson’s correlation coefficient assessed the relationship between facial features and the upper central incisors’ crown. The significance level was p ≤ 0.05. Results: Males exhibit a slightly higher mean value of the face length (11.6 ± 0.8 cm) compared to females’ face length (11.2 ± 1.1 cm) and a statistically significant (p < 0.05) higher mean value of the face width (11.7 ± 0.8 cm) compared to females (11.1 ± 0.6 cm). The facial index shows no statistically significant gender difference (males: 99.1 ± 8.4; females: 101.2 ± 11.9, p > 0.05). The upper central incisor crown dimensions are without statistically significant differences between gender and tooth side: males have mean value clinical crown lengths of 10.2 ± 1.1 mm (left) and 10.1 mm ± 1.2 (right) while females have 9.9 ± 1.0 mm (left) and 9.8 ± 0.7 mm (right). Clinical crown widths are also comparable (males: left 9.0 ± 0.7, right 8.9 ± 0.6 and females: left 8.8 ± 0.7, right 8.8 ± 0.7), with no statistically significant differences observed. The tooth index shows no statistically significant difference but there is a statistically significant (p < 0.05) correlation between the facial index and tooth index. Conclusions: Knowledge of the presented data is important for diagnosis and treatment planning and may be useful for restorative dentists, orthodontists, prosthodontists, and maxillofacial surgeons to achieve an aesthetic result. Clinically, our study supports the development of more personalized treatment plans.

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Assessment of the Relationship between Craniofacial Measurements and Maxillary Central Incisor Width using Cone Beam Computed Tomography

Alresheedi

2024

Journal of Pharmacy and Bioallied Sciences

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Aim: This study aimed to explore the relationships between bizygomatic width, inter-orbital distance, and the central incisor width (CIW). Materials and Methods: A total of 80 cone beam computed tomography (CBCT) scans were analyzed. The measurements taken included bizygomatic width and inter-orbital distance. A bivariate correlation was performed to evaluate the relationships between CIW and craniofacial measurements. Independent samples t-tests were used to compare these measurements between genders. Results: Mean values for CIW and bizygomatic width were significantly higher in males than females (P < 0.05). The bivariate analysis revealed significant, positive, moderate correlations between CIW and bizygomatic width (r = 0.401, P < 0.01), but not inter-orbital distance (P > 0.05). Conclusion: This study found that while bizygomatic width is moderately correlated with CIW, inter-orbital distance is not. Additionally, significant gender differences exist regarding bizygomatic width and CIW, with males exhibiting larger dimensions.

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Maxillary Anterior Teeth Dimensions and Relative Width Proportions: A Narrative Literature Review

Cited by 3 publications

References 53 publications

Soft Tissue Retraction Maneuver in Cone Beam Computed Tomography Prior to Crown-Lengthening Procedure—A Technical Note

Soft Tissue Retraction Maneuver in Cone Beam Computed Tomography Prior to Crown-Lengthening Procedure—A Technical Note

The Relationship between the Length/Width of the Face and the Length/Width of the Crown of the Permanent Upper Central Incisors

Assessment of the Relationship between Craniofacial Measurements and Maxillary Central Incisor Width using Cone Beam Computed Tomography

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