scholarly journals Comparison of Soft Tissue Cephalometric Norms between Turkish and European-American Adults

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Ahmet Arif Celebi ◽  
Enes Tan ◽  
Ibrahim Erhan Gelgor ◽  
Tugba Colak ◽  
Erdem Ayyildiz

One of the most important components of orthodontic diagnosis and treatment planning is the evaluation of the patient’s soft tissue profile. The main purpose of this study was to develop soft-tissue cephalometric standards for Turkish men and women and compare them with the cephalometric standards of normal European-American white people. The sample included 96 Turkish adults (48 women, 48 men), aged 20 to 27 years. Turkish subjects have increased facial convexity associated with retruded mandible, more obtuse lower face-throat angle, increased nasolabial angle and upper lip protrusion, deeper mentolabial sulcus, and smaller interlabial gap compared with European-American white people. It is appropriate to consider these differences during routine diagnosis and treatment planning of a Turkish patient or an American patient of European ancestry. Turkish males reveal more obtuse mandibular prognathism and upper lip protrusion, and smaller nasolabial angle than females.

2021 ◽  
Author(s):  
Jovana Milutinovic ◽  
Zorana Stamenkovic ◽  
Ksenija Zelic ◽  
Nemanja Marinkovic ◽  
Nenad Nedeljkovic

Abstract BackgroundThe objective of this study was to identify the soft tissue profile outcomes of orthodontic treatment of Class II, division 1 malocclusion patients and to determine if these changes are related with different treatment protocol.MethodsThe sample of this study consisted of 50 Caucasian patients [22 males; 28 females], with a mean age of 15.8 years. The sample was divided in two groups (both groups treated with multibracket therapy): first group was non-extraction group [25 patients] treated first with the Herbst appliance, and second group was four premolars extraction group [25 patients] treated with a multibracket appliance. The patients’ pre- and post-treatment profile photographs were used, and the soft tissue landmarks were identified. Afterwards, the angular parameters were determined on each photo. Paired-sample t-test was used for intragroup comparisons. For testing the differences in all parameter values between groups, two-sample t test was used.ResultsThe improvement in the non-extraction group was evident in the decrease of the nasomental angle [P=0.02], the angle representing the projection of the upper lip to the chin [P=0.01], as well as the upper lip angle [P=0.01]. On the other hand, the nasolabial angle increased significantly [P=0.01], as well as the mentolabial angle [P=0.02]. In the extraction group, the nasolabial angle showed a significant increase [P=0.03]. Two soft tissue variables showed significant differences between the groups: the total facial angle or facial convexity including the nose [P=0.04] and the angle presenting the projection of the upper lip to chin [P=0.01].ConclusionsThe patients treated without extractions showed a significant improvement of the convex profile and favorable soft tissue changes in the lower third of the face. The orthodontic treatment of Class II, division 1 malocclusions induce positive effects on the soft tissue facial profile, which depends on different treatment protocols.


2021 ◽  
pp. 030157422110180
Author(s):  
Pavankumar R Singh ◽  
Anand S Ambekar ◽  
Suresh K Kangane

In orthodontic diagnosis and treatment planning, soft tissue profile assessment is of prime importance. Due to the emerging soft tissue paradigm, greater emphasis has been given to the clinical examination of soft tissue function and esthetics. Various cephalometric and photographic methods were introduced in the past to assess and measure profile angle and other facial angles. Our new device, that is, profilometer, helps to measure profile angle clinically.


2011 ◽  
Vol 12 (3) ◽  
pp. 152-157 ◽  
Author(s):  
S Nandini ◽  
CS Prashanth ◽  
Sanju K Somiah ◽  
SRK Reddy

ABSTRACT Esthetics is one of the major motivating factors for patients seeking orthodontic treatment. Hard tissue and soft tissue drape both determine the facial esthetics. The structures in this region are so variable that the nasolabial angle (NLA) has been drawn differently by various investigators. Variations can lead to erroneous conclusions in orthodontic diagnosis. Aims and objectives The study was done to evaluate a reliable method of constructing the nasolabial angle (NLA) and to correlate the soft tissue profile parameters with one another. Materials and methods Lateral cephalogram of 50 randomly selected adult patients were taken. The tracings were made and 10 copies of each tracing were randomly distributed to 10 different orthodontists to draw the NLA. Results Pearson's correlation coefficient (r) showed both N/ FH and L/FH angles to have significant p values when compared with NLA. The regression analysis showed that the nasolabial angle can be calculated for any given value of N/FH or L/FH by the formula: NLA = 80.33° + 1.02° (N/FH) and NLA = 14.2° + 1.04° (L/FH). The mean value of N/FH was 17.42° ± 8.40° and L/FH was 80.68° + 6.45° for this sample. Inter examiner reliability calculated by repeated measures of ANOVA and Dahlerg's formula showed high degree of reliability and reproducibility of the method. Clinical significance NLA can be predicted for any given value of N/FH and L/FH. NLA = 80.33° + 1.02° (N/FH) and NLA = 14.2° + 1.04° (L/FH). If an individual has either N/FH or L/FH in the normal range but not the NLA then one could calculate the correct NLA using this formula. Thereby the NLA can be brought within the normal range by altering the other nasolabial parameters by correct treatment planning. Since the nasolabial angle plays a vital role in profile esthetics of a person, the clinician should place greater emphasis in evaluating this area and plan treatment mechanics to place this angle within the accepted normal variation. How to cite this article Nandini S, Prashanth CS, Somiah SK, Reddy SRK. An Evaluation of Nasolabial Angle and the Relative Inclinations of the Nose and Upper Lip. J Contemp Dent Pract 2011;12(3):152-157.


2012 ◽  
Vol 13 (2) ◽  
pp. 188-193 ◽  
Author(s):  
Gerald Ikenna Isiekwe ◽  
Oluranti Olatokunbo daCosta ◽  
Michael Chukwudi Isiekwe

ABSTRACT Introduction The soft tissue paradigm is placing greater emphasis on the importance of the soft tissue profile to orthodontic treatment planning. The purpose of this study was to determine the lip dimensions of a Nigerian adult population; compare the male and female values and to compare the values obtained for Nigerians with those reported for other population. Methodology Lateral cephalometric radiographs of 100 students (44 males and 56 females) of the College of Medicine, University of Lagos, aged 18 to 25 years were taken. Selected subjects were of Nigerian ancestry with normal occlusion and a harmonious facial appearance. The radiographs were manually traced and the upper and lower lip length and thickness of each subject was measured. Statistical analysis was carried out using SPSS, while the male and female values were compared using student's t-tests. Results Mean values for the lip dimensions were computed for the entire sample. Marked sexual dimorphism was observed with the males having thicker and longer upper and lower lips than the females. The Nigerian sample also had a longer upper lip and a thicker and shorter lower lip than that reported for Caucasians. However, both population had a similar upper lip thickness. Conclusion Cephalometric norms were developed for the lip dimensions of a Nigerian population. Marked sexual dimorphism was observed in the Nigerian population studied with the males having longer and thicker lips than the females. The lip dimensions of the Nigerian population studied differed from that reported for Caucasians and other racial groups. Clinical significance The lip dimensions established in this study would aid in orthodontic and orthognathic surgery treatment planning for Nigerians. Furthermore, due to the marked sexual dimorphism observed in the Nigerian population studied, gender specific and not generalized norms should be used. How to cite this article Isiekwe GI, daCosta OO, Isiekwe MC. Lip Dimensions of an Adult Nigerian Population with Normal Occlusion. J Contemp Dent Pract 2012;13(2):188-193.


Author(s):  
Araminta Nariswari Candraningtyas ◽  
Iwa Rahmat Sunaryo ◽  
Avi Laviana

ABSTRAK Pendahuluan: Penggunaan alat ortodonti lepasan dengan sekrup ekspansi bertujuan untuk memperoleh ruangan pada kasus gigi berjejal dengan cara melebarkan lengkung gigi. Pergerakan gigi yang dihasilkan dapat berpengaruh pada salah satu komponen estetika wajah yaitu profil jaringan lunak. Tujuan penelitian ini untuk mengevaluasi perubahan profil jaringan lunak bibir sebelum dan setelah  perawatan ekspansi lengkung gigi menggunakan alat ortodonti lepasan. Metode: Jenis penelitian ini adalah deskriptif analitik menggunakan metode purposive sampling pada subjek yang merupakan pasien ortodonti di Klinik Profesi Dokter Gigi RSGM Unpad yang dirawat menggunakan alat lepasan akrilik dengan sekrup ekspansi lateral maksila dan mandibula. Terdapat 4 subjek yang memenuhi kriteria inklusi yaitu sepuluh kali aktivasi yang dilakukan setiap minggu dalam waktu tiga bulan.  Subjek dilakukan foto lateral wajah dengan posisi standar sebelum dan setelah aktivasi. Pengukuran dilakukan menggunakan jangka sorong digital dari bibir atas (Ls) terhadap E-line (Ns-Pog), bibir bawah (Li) terhadap E-line (Ns-Pog), dan busur derajat digital untuk mengukur sudut nasolabial(Ns-Sn-Ls). Hasil dan Pembahasan: Nilai rerata perubahan jarak bibir atas terhadap E-line yaitu 0,59 mm, nilai rerata perubahan jarak bibir bawah terhadap E-line yaitu 0,63 mm dan nilai rerata perubahan sudut nasolabial yaitu -2,03o. Penelitian ini menunjukkan adanya perubahan posisi bibir  menjadi lebih ke anterior setelah dilakukan aktivasi sekrup ekspansi lateral rahang atas dan rahang bawah sebanyak 10 kali. Simpulan: Hasil penelitian menunjukkan adanya perbedaan yaitu  posisi bibir atas dan bibir bawah yang menjadi lebih ke anterior dan tidak terdapat perbedaan pada sudut nasolabial setelah dilakukan 10 kali aktivasi sekrup ekspansi lateral pada alat ortodonti lepasan.Kata kunci: perbedaan profil jaringan lunak; alat ortodonti lepasan; ekspansi lengkung gigi; sekrup ekspansi. ABSTRACT Introduction: The use of removable orthodontic appliance with expansion screws aim to gain a space in crowding teeth by expanding the dental arch. The resulting tooth movement can affect one of the aesthetic components of the face, the  soft tissue profile. The aim of this study to evaluate the change of lip soft tissue profile before and after treatment of dental arch expansion using removable orthodontic appliance. Method: The research method used is descriptive analysis and purposive sampling in patients of Rumah Sakit Gigi dan Mulut Universitas Padjadjaran’s Orthodontic Clinic treated by using removable appliance with lateral expansion screw in maxilla and mandible. There are 4 patients who meet the inclusion, namely the srew is activated 10 times, once every week in 3 months. Subjects photographed in lateral position before and after activation. Measurement is done by using a calipers from upper lip to E-line, lower lip to E-line, and nasolabial angle using a digital protractor. Results and Discussion: The average of the changes in upper lip to E-line distance are 0,59 mm, the average of the changes in lower lip to E-line distance are 0,63 mm, and the average of the changes in nasolabial angle are -2,03o . This study showed a lip position that became more anterior after 10 times the activation of the maxillary and mandibular expansion screws. Conclusions: The results showed a difference in the position of the upper lip and lower lip which became more anterior and there is no difference in nasolabial angle after 10 times the activation of lateral screws in removable appliances.Keywords: soft tissue profile differences; removable orthodontic appliances; dental arch expansion;  expansion screws.


2017 ◽  
Vol 7 ◽  
pp. 279-286
Author(s):  
Lubna Akter ◽  
Md. Zakir Hossain

Introduction Angular photogrammetric soft tissue facial profile analysis provides a permanent record for the actual appearance of a person, which would also serve to establish an ideal esthetic treatment goal. The aim of the present study was to evaluate the average angular variables that define the soft tissue facial profile of a Bangladeshi sample. Materials and Methods This cross-sectional study was carried out at Department of Orthodontics and Dentofacial Orthopedics of Dhaka Dental College and Hospital, Bangladesh, from July to December 2015. Soft tissue facial profiles of 200 participants (100 males and 100 females) between 18 and 25 years of age, with a dental Class I occlusal relationship and harmonious soft tissue profile, were selected by convenience sampling among students, doctors, and patients of Dhaka Dental College. Standardized photographs of 200 samples were taken in the natural head position. The photographic records were analyzed with the software for Windows, Microsoft Visio 2007, Standard Edition. All data were analyzed through standard methods using Statistical Package for the Statistical Package for Social Science Software (SPSS Version-20, IBM Corp, USA). Results The average angular measurements for nasofrontal, total facial angle, facial angle, upper lip angle, projection of lower lip to chin, and mentolabial angle were wider in females. The mean value for nose tip angle, nasolabial angle, nasomental angle, and projection of upper lip to chin angle was higher in males compared to females. Nasofrontal angle (G-N-Nd) (P = 0.000) and mentolabial angle (Li-Sm-Pg) (P = 0.001) showed statistically significant differences. The greatest variability was found for mentolabial angle. Conclusion The study of angular photogrammetric soft tissue facial profile analysis of Bangladeshi young adults contributes to the establishment of standardized normal values for the population. This study provides data which can be used in treatment planning by specialists such as orthodontists, prosthodontists, plastic surgeons, and maxillofacial surgeons, who have the capability to change the soft tissue facial features.


2008 ◽  
Vol 78 (5) ◽  
pp. 799-807 ◽  
Author(s):  
Chiarella Sforza ◽  
Alberto Laino ◽  
Raoul D'Alessio ◽  
Gaia Grandi ◽  
Gianluca Martino Tartaglia ◽  
...  

Abstract Objectives: To identify possible esthetic canons in facial size and shape of Italian adolescent boys and girls. Materials and Methods: The three-dimensional coordinates of 50 facial landmarks (forehead, eyes, nose, cheeks, mouth, jaw, ears) were collected in 231 healthy, reference adolescents (10– 17 years old) and in 93 similar age group “attractive” adolescents selected by a commercial casting organization. Soft-tissue facial angles, distances, areas, and volumes were computed. Comparisons were made with analysis of variance. Results: Attractive adolescents had wider, shorter, and less deep faces than reference adolescents, with a relatively larger forehead and maxilla, and a reduced mandible relative to the maxilla. Lips were larger and more prominent, and the nasolabial angle was reduced, but in older boys the effect was reversed. The prominence of the soft-tissue profile, and of the maxilla relative to the mandible, were larger in attractive boys, but smaller in attractive girls than in their reference peers. In the horizontal plane, attractive “young” adolescents had a flatter face, while the opposite pattern was observed in the “old” adolescents, with a relatively more prominent chin. Attractive adolescents had smaller noses than reference subjects of the same age and sex. Conclusions: Overall, all the measurements appeared sufficiently homogenous, and the quantitative characteristics of an “attractive” face well defined. Esthetic reference values can be used to determine optimal timing and goals in orthodontic treatment.


2008 ◽  
Vol 78 (1) ◽  
pp. 58-63 ◽  
Author(s):  
Helio Scavone ◽  
Wesley Zahn-Silva ◽  
Karyna Martins do Valle-Corotti ◽  
Ana Carla Raphaelli Nahás

Abstract Objective: To analyze anteroposterior soft tissue facial parameters for a sample of white Brazilian adults and to compare these measurements with the values proposed for white North American adults. Materials and Methods: Facial profile photographs were taken of 59 white Brazilians (30 men and 29 women) with normal occlusions and balanced faces with ages ranging from 18 to 30 years. The independent Student's t-test (P < .05) was used to compare the soft tissue parameters of the Brazilians with those of the North Americans. Results: White Brazilian women presented a less protruded face compared with white American women except for the glabella region. White Brazilian women showed a smaller nasal projection, less protruded upper and lower lips, a more obtuse nasolabial angle, and a smaller projection of the B′ point and chin than white American women. Conversely, the two male groups demonstrated less evident soft tissue profile differences, with the exception of the nose projection, which was smaller in white Brazilian men than in white American men. Conclusions: A universal standard of facial esthetic is not applicable to diverse white populations. Differences regarding the soft tissue profile features were found between white Brazilians and white Americans. These differences should be considered in the orthodontic/orthognathic surgery diagnosis and treatment plan for white Brazilians together with the patient's individual opinion and perception of beauty.


2011 ◽  
Vol 139 (7-8) ◽  
pp. 439-445
Author(s):  
Tatjana Tanic ◽  
Zorica Blazej ◽  
Vladimir Mitic

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.


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