Evaluation of Horizontal Lip Position in Adults with Different Skeletal Patterns: A Cephalometric Study

Kulshrestha, Rohit

doi:10.29328/journal.johcs.1001005

Cited by 4 publications

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References 15 publications

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“…Since the midfacial segment and nose form the nasomaxillary complex, each antero-posterior jaw discrepancy is expected to influence the profile angles of this facial segment. Contours of the facial soft tissue differ from the contours of basic skeletal structures in certain areas, especially in the nasal third of the profile [12,24,28,29]. Therefore, facial profile angles are influenced by composite effect of skeletal and soft tissue profile.…”

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confidence: 99%

The influence of antero-posterior dentoskeletal pattern on the value of nasal soft tissue angles: a cephalometric study

2021

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The aim of this study was to examine the influence of sagittal dentoskeletal pattern on the value of profile nasal soft tissue angles and estimate the significance of examined differences for each angle. Lateral cephalograms were used to examine the nasofrontal angle, nasofacial angle, nasal tip angle, and nasolabial angle of 120 adult Caucasian subjects (60 male and 60 female) from the central Balkan area. Subjects were divided into four groups according to the ANB angle and incisors inclination: Class I as the control group, Class II division 1, Class II division 2 and Class III. By evaluating the influence of sagittal dentoskeletal relationships on the values of examined angles, significant differences were found among subjects with Class I and Class II/2 (p=0.028), so as Class III (p=0.002) for nasal tip angle. The nasofacial angle was found to differ among subjects with Class I and Class II/1 (p=0.002), so as Class III (p=0.001). Different dentoskeletal patterns have significant influence on values of the nasal tip angle and nasofacial angle, and don't have influence on the values of the nasofrontal and nasolabial angle.

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Section: Introductionmentioning

confidence: 99%

The influence of antero-posterior dentoskeletal pattern on the value of nasal soft tissue angles: a cephalometric study

2021

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Evaluation of Lip Position in Esthetically Pleasing Profiles Using Different Reference Lines: A Photographic Study

Pandey

Kapoor

Agarwal

et al. 2020

J Indian Orthod Soc

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The aim of this article is to assess the lip position using five different reference lines in individuals with a pleasing profile. A cross-sectional study was conducted with a sample size of 200 subjects chosen from the local North Indian population. Non-growing subjects, between the age group of 18 years and 25 years with a pleasing facial profile were screened for the study via a questionnaire-based method to confirm their North Indian ancestry (history of past two generations from North India). All subjects included in the study gave their due consent to be a part of the study. The following conclusions were derived: 1. Norms for the horizontal lip position were derived for the North Indian population. 2. Upper lip position in relation to S1 (Steiner’s) line and Ricketts’ E line showed females having protrusive lips, while S2 (Sushner’s) line showed protrusive upper lip in males. 3. S1 (Steiner’s) line, showing protrusive lower lip in females. 4. The norms derived in this study showed statistically significant difference with retrusive upper and lower lips when compared to normative values of Ricketts’ E plane and retrusive lower lip when compared to normative values of Sushner’s line. 5. Sushner’s S2 line showed the maximum stability and consistency; hence, it is the line of choice to judge the sagittal lip positions in profile analysis.

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Examination of the horizontal position of the lips in relation to reference lines in the population of young adults

Kovačević,

Erić

2023

Medicinski podmladak

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Introduction: Facial beauty mostly depends on the correct mutual relations of the upper and lower jaw, along with the jaw and teeth, which results in different convexity and shape of the lips, causing the unique morphology of an individual's lips. Aim: The research aims were to determine the morphometric differences of the horizontal position of the lips concerning the reference lines (Ricketts, Steiner, Burstone, Sushner line and Merrifield angle) and sex of the subjects. Material and methods: The research was conducted on 60 subjects (30 males/30 females), students of the Faculty of Medicine University of Novi Sad, ages 18 to 20. Facial profile photos of each subject were taken in the Frankfurt plain position. After marking the reference lines in the Paint program, measurements were performed using the program ImageJ 1.48v. Results: The average distance of the upper and lower lip from the Ricketts line in males was 7.48/5.42mm, in females 5.82/3.87mm; from the Steiner line in men was 2.80/2.49mm, in females 1.99/2.21mm; from the Burstone line in males was 2.48/2.14mm, in females 2.88/2.38mm; from the Sushner line in males was 6.06/3.73mm, in females 6.50/4.31 mm; the average value of the Merrifield angle in males was 71.51°, and in females 69.57°. Conclusion: No "ideal position" of the lips concerning two or more reference lines was determined in any of the subjects. Therefore, based on these data, it is difficult to determine what is "ideal" precisely because there are several lines that are prescribed by different norms. The results of our research largely correspond to the results found in the literature.

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Evaluation of Horizontal Lip Position in Adults with Different Skeletal Patterns: A Cephalometric Study

Cited by 4 publications

References 15 publications

The influence of antero-posterior dentoskeletal pattern on the value of nasal soft tissue angles: a cephalometric study

The influence of antero-posterior dentoskeletal pattern on the value of nasal soft tissue angles: a cephalometric study

Evaluation of Lip Position in Esthetically Pleasing Profiles Using Different Reference Lines: A Photographic Study

Examination of the horizontal position of the lips in relation to reference lines in the population of young adults

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