The facial soft tissue profile of the southern Chinese: Prosthodontic considerations

1992 ◽  
Vol 68 (5) ◽  
pp. 839-850 ◽  
Author(s):  
Connie S.W. Chiu ◽  
Robert K.F. Clark
Keyword(s):  
Soft Tissue ◽  
Facial Soft Tissue ◽  
Southern Chinese ◽  
Soft Tissue Profile

Comparison of Two Computer-Animated Imaging Programs for Quantifying Facial Profile Preference

1996 ◽  
Vol 82 (3_suppl) ◽  
pp. 1251-1264 ◽  
Author(s):  
Donald B. Giddon ◽  
Carla A. Evans ◽  
Debbie Lynn Bernier ◽  
Jason A. Kinchen
Keyword(s):  
Soft Tissue ◽  
Dental Occlusion ◽  
Facial Appearance ◽  
Facial Morphology ◽  
Mouse Button ◽  
Facial Soft Tissue ◽  
Facial Profile ◽  
Computer Mouse ◽  
Soft Tissue Profile ◽  
User Friendly

To establish the physical basis of subjective judgments of facial appearance, two novel computer-imaging programs differing in method of preparation and presentation of 5 features of the facial soft-tissue profile of 4 faces representing 4 different classifications of dental occlusion were compared. Images of facial soft tissue of 5 features were digitized and “animated” from 16 discrete distortions or morphed from the two extremes of each feature. 12 volunteer judges responded to both the “animated” and morphed presentations by pressing the computer mouse button when the image became acceptable and releasing the button when the image was no longer acceptable. They also pressed the mouse button when the most pleasing distortion appeared from either direction. Aggregating responses to counterbalanced trials and features across judges yielded high correlations between the programs for midpoint of acceptability. Although both programs provide reliable and valid measures of subjective acceptability of present and proposed changes in facial morphology, the new morphing program is more user-friendly than the “animated” method.

scholarly journals Changes in soft tissue facial profile of class II skeletal malocclusion patients with retrognathic mandible treated with twin block appliance

2019 ◽  
Vol 31 (1) ◽  
pp. 32
Author(s):  
Ng Hui Lin ◽  
Eky Setiawan Soeria Soemantri ◽  
Gita Gayatri
Keyword(s):  
Soft Tissue ◽  
Class Ii ◽  
Facial Soft Tissue ◽  
Profile Angle ◽  
Facial Profile ◽  
Twin Block ◽  
Skeletal Malocclusion ◽  
Soft Tissue Profile ◽  
Significant Difference ◽  
Soft Tissue Changes

Introduction: The soft tissue aspect in orthodontics treatment has gained attention in the last few years. The soft tissue profile is said to reflect the underlying skeletal profile, which causes a convex profile in patients with class II skeletal malocclusion. This research was aimed to determine the changes in the soft tissue facial profile of class II skeletal malocclusion patients with retrognathic mandible after twin block treatment. Methods: The type of research used in this study was retrospective descriptive research with paired t-test. The population was children aged 10-13 years old with class II skeletal malocclusion that were treated with twin block appliance in the Faculty of Dentistry Universitas Padjadjaran, Indonesia. The results of soft tissue changes before and after twin block treatment were compared. Results: There was an insignificant increase in soft tissue profile angle and Holdaway’s soft tissue angle after twin block treatment (p > 0.05). Whereas, Holdaway’s H-angle was decreasing and Merrifield’s Z-angle was increasing after twin block treatment, with statistically significant difference (p < 0.05). Conclusion: There was a decrease of H-angle, indicates a reduction in facial convexity and improvement of the facial profile after twin block treatment, but no difference in soft tissue profile angle and Holdaway’s soft tissue angle after twin block treatment. Keywords: Facial soft tissue profile, class II skeletal malocclusion, retrognathic mandible, twin block appliance

scholarly journals Soft tissue thickness of face profile conditioning by dento-skeletal anomalies

2011 ◽  
Vol 139 (7-8) ◽  
pp. 439-445
Author(s):  
Tatjana Tanic ◽  
Zorica Blazej ◽  
Vladimir Mitic
Keyword(s):  
Soft Tissue ◽  
Class Ii ◽  
Class Iii ◽  
Upper Lip ◽  
Tissue Thickness ◽  
Facial Soft Tissue ◽  
Lower Lip ◽  
Skeletal Anomalies ◽  
Soft Tissue Thickness ◽  
Soft Tissue Profile

Introduction. Orthodontic treatment of dento-skeletal anomalies is generally based on the correction of teeth and jaws relationship, while it is expected that soft facial tissue spontaneously adapts to therapeutically achieved relationship and to accompany hard tissue changes. Objective. To establish facial soft tissue thickness conditioning by the presence of dento-skeletal anomalies. Methods. The study was performed at the Dental Clinic of Nis, and involved the analysis of cephalometric rendgenograms in 121 patients, aged 12-18 years, with no previous orthodontical treatment. According to dento-skeletal relationship between teeth and jaws the patients were divided into four groups; class I (control group), class II of division 1, class II of division 2 and class III. The standard analysis of dento-skeletal profile was done according to Steiner and soft tissue profile according to Burstone was done in all. Results. The patients of class II/1 had a significantly thinner upper lip (t=2.650; p<0.05) and thinner upper lip sulcus (t=1.999; p<0.05). The patients of class II/2 had a significantly thicker upper lip (t=2.912; p<0.01), while those of class III had a significantly thinner lower lip (t=3.900; p<0.001). Conclusion. The thickness of facial soft tissue considerably influences facial profile appearance in persons with a dento-skeletal anomaly. Not only do soft tissues adapt to the existing jaws relationship, but can also camouflage present anomalies.

scholarly journals Angular Photogrammetric Comparison of the Craniofacial Soft-tissue Profile of Three Ethnic Groups in Southern Nigeria

2020 ◽  
pp. 34-45
Author(s):  
P. D. Okoh ◽  
M. A. Amadi
Keyword(s):  
Soft Tissue ◽  
Ethnic Groups ◽  
Software Tool ◽  
Facial Soft Tissue ◽  
Microsoft Excel ◽  
Age Related ◽  
Soft Tissue Profile ◽  
Southern Nigeria ◽  
Ethnic Variations

Aim: The aim of this study was to determine the angular craniofacial soft tissue profile of adult southern Nigerian males of Igbo, Ijaw and Yoruba extractions. Methodology: The study made use of a total number of one thousand two hundred (1200) subjects divided into four hundred (400) subjects each from the Igbo, Yoruba and Ijaw ethnic groups of southern Nigeria whose ages ranged between 21 to 40 years. Determination of minimum sample size was done using the Taro-Yamane’s formula. The study employed the use of photogrammetry. Standardized photographic record of the 1200 adults were taken in the natural head position. Photographs were analysed using a software tool (WinImager). Data generated were subjected to statistical analysis using SPSS version 25.0 and Microsoft Excel 2019. Results: Results showed ethnic variations across the different ethnic groups. Age related changes were also observed. On comparison with other racial populations, marked differences were observed. Conclusion: These anthropometric values define the facial soft tissue norm of southern Nigeria and could be useful in anthropometric studies, orofacial, orthodontic and maxillofacial surgeries, and forensics.

scholarly journals Facial Soft Tissue Profile Following Bimaxillary Orthognathic Surgery

2008 ◽  
Vol 78 (1) ◽  
pp. 50-57 ◽  
Author(s):  
Ayse Tuba Altug-Atac ◽  
Halise Bolatoglu ◽  
Ufuk Toygar Memikoglu
Keyword(s):  
Soft Tissue ◽  
Orthognathic Surgery ◽  
Soft Tissues ◽  
Skeletal Structure ◽  
Dramatic Improvement ◽  
Facial Soft Tissue ◽  
Forward Movement ◽  
Lower Lip ◽  
Soft Tissue Profile ◽  
Bimaxillary Orthognathic Surgery

Abstract Objective: To determine the changes in the position and area of nasal and labial soft tissues in adult skeletal Class III patients who underwent bimaxillary orthognathic surgery. Materials and Methods: Pretreatment (T1), preoperative (T2), and posttreatment (T3) cephalometric variables and upper-lower lip areas were measured on lateral cephalometric radiographs for 20 individuals (9 male, 11 female; mean age 21.3 years at T1, 22.4 years at T2, and 23.4 years at T3) who had maxillary advancement and mandibular setback. Analysis of variance (ANOVA) and Duncan tests were used to compare the cephalometric and area measurements at the beginning of treatment, and at presurgery and postsurgery, respectively. Paired t-tests were also performed to analyze changes within the periods. Results: The tip of the nose was affected less with the movement of the underlying skeletal structure (0.25%), while the soft tissue B point (B′) moved equally with the skeletal B point. As the maxilla related variables increased due to the forward movement, the upper labial areas decreased. With the backward movement of the mandible, the middle and inferior lower labial areas increased, while the superior lower labial area decreased. Conclusions: The results of our study suggest that the dramatic improvement in the facial profiles of the bimaxillary surgery patients is primarily related to the backward movement of the mandible and the significant reduction in the superior lower lip area.

Size and Shape of Soft-Tissue Facial Profile: Effects of Age, Gender, and Skeletal Class

1997 ◽  
Vol 34 (6) ◽  
pp. 498-504 ◽  
Author(s):  
Virgilio F. Ferrario ◽  
Chiarella Sforza
Keyword(s):  
Soft Tissue ◽  
Polar Coordinates ◽  
Facial Growth ◽  
Facial Soft Tissue ◽  
Skeletal Class ◽  
Size And Shape ◽  
Soft Tissue Thickness ◽  
Facial Shape ◽  
Soft Tissue Profile ◽  
A Minor

Objective: A method for the quantitative and qualitative analysis of the facial soft-tissue profile has been developed, and applied to analyze the pretreatment lateral head films of 240 orthodontic patients aged 8 to 14 years. Methods: Patients were subdivided for sex, age, and skeletal class. To standardize for different facial sizes, soft-tissue profiles from nasion to pogonion were traced in polar coordinates without modifications of facial shape, and standardized for an equal skeletal vertical dimension. Results: The method allowed a simple and rapid quantitative evaluation of soft-tissue profiles during facial growth. An approximate evaluation of the soft-tissue thickness at nose, lips, and chin was also possible. No particular mathematical knowledge was required at any step of the analysis. Conclusions: Facial soft-tissue size and shape were influenced by age and sex, and to a minor extent by skeletal class.

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