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Atiba PM, Omotoso BR, Madaree A, Lazarus L. Hemifacial microsomia: a scoping review on progressive facial asymmetry due to mandibular deformity. Oral Maxillofac Surg 2024:10.1007/s10006-024-01276-5. [PMID: 38954312 DOI: 10.1007/s10006-024-01276-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024]
Abstract
PURPOSE This scoping review explores various parameters of the mandible in progressive facial asymmetry (FA) in hemifacial microsomia (HFM) patients, highlighting its relationship with sex, population, and age group. METHODS The review was based on a comprehensive search of PubMed, EBSCOhost, and Web of Science. Eligible studies that met the inclusion criteria form part of the selection study. The included studies were appraised using screening and quantitative criteria of mixed-method appraisal tools. The authors utilised a pre-set data extraction form to obtain information from the included studies. RESULTS Eleven studies met the inclusion criteria. The mandible parameters used were angular measurements, chin point, ramal height, body length, and total length. There was no relationship between FA and sex in HFM patients in the included studies. Most of the studies were comprised of European participants (55%), followed by Americans (36%) and Chinese (9%). The age groups included in the selected studies were categorised as dentition age (18%), early-to-middle childhood (18%), and varied ages (64%). The data presented in this review only pertains to the anomalous characteristics recorded on the affected side in HFM patients. No concomitant control data was recorded in this review. CONCLUSION An assessment of the included studies revealed that FA does not increase with age in HFM. Hence, FA is non-progressive in HFM patients. This information is relevant to diagnosing and managing HFM patients. More reports are needed on the progression of FA in HFM patients.
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Affiliation(s)
- Peterson Makinde Atiba
- Discipline of Clinical Anatomy, College of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, South Africa
- Anatomy Programme, Faculty of Basic Medical and Health Sciences, College of Health Sciences, Bowen University, Iwo, Osun State, Nigeria
| | - Bukola Rukayat Omotoso
- Discipline of Clinical Anatomy, College of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, South Africa
| | - Anil Madaree
- Department of Plastic and Reconstructive Surgery, Inkosi Albert Luthuli Central Hospital, Durban, South Africa
| | - Lelika Lazarus
- Discipline of Clinical Anatomy, College of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, South Africa.
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Bakri MMH, Vishvnathaiah S, Bakmani HF, Hakami AJ, Zaidan MS, Dighriri MA, Jad YA, Hakami TM, Bakri HMH. Prevalence of mandibular asymmetries in the pediatric population of Jazan: A radiographic analytical study. Heliyon 2024; 10:e32362. [PMID: 38975092 PMCID: PMC11225732 DOI: 10.1016/j.heliyon.2024.e32362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 06/02/2024] [Accepted: 06/03/2024] [Indexed: 07/09/2024] Open
Abstract
Background Facial asymmetry results from variation in mandibular linear and angular dimensions on the right and left sides of the face. Mandibular asymmetry is of great significance to oral surgeons and orthodontists as it directly impacts the facial profile of an individual. Aim The present study aimed to measure the prevalence of mandibular asymmetry and its fluctuations during the mixed dentition growth phase in healthy children aged 6-8 years in the Jazan region of Saudi Arabia. Method This retrospective observational study was conducted by measuring linear asymmetrical measurements of mandible on orthopantomograms of 390 healthy children (182 boys and 208 girls, aged 6-8 years) with mixed dentition. Linear measurements from orthopantomograms were obtained using a standardized digitizer. Two sets of mandibular measurements were recorded, alongside subjective assessments of mandibular first molar development. An independent t-test was employed to assess the significance between measurements on both sides, while one-way ANOVA was used to demonstrate facial asymmetry significance among different age groups. Result The result of this study revealed a significant statistical difference (p-value≤ 0.05) for both sides of the mandible across two dimensions: condylar and ramus height (p value = 0.03) and mandibular length (p value = 0.04). The asymmetry index resulted in no asymmetry among most of the included subjects. However, compared to the other three linear measurements, many seven-year-old participants possess mandibular asymmetry on condylar height (54.5 %). Conclusion Within the limitation it could be concluded that children in growing age have a significant mandibular asymmetry (mainly 7 years), which, however, is only seldom clinically significant. Hence, treatment plan should be cautiously planned.
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Affiliation(s)
- Mohammed Mousa H. Bakri
- Division of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan City, Saudi Arabia
| | - Satish Vishvnathaiah
- Department of Pediatric Dentistry, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | | | | | | | | | - Yaser Ali Jad
- College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | | | - Hamed Mousa H. Bakri
- Department of Periodontology, and Implant Dentistry, Jazan Specialized Dental Center, Jazan City, Saudi Arabia
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Kuha A, Ackermann J, Junno JA, Oettlé A, Oura P. Deep learning in sex estimation from photographed human mandible using the Human Osteological Research Collection. Leg Med (Tokyo) 2024; 70:102476. [PMID: 38964075 DOI: 10.1016/j.legalmed.2024.102476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/27/2024] [Accepted: 06/22/2024] [Indexed: 07/06/2024]
Abstract
Sex estimation is a necessary part of forensic and osteological analyses of skeletal human remains in the construction of a biological profile. Several skeletal traits are sexually dimorphic and used for skeletal sex estimation. The human mandible and morphological traits therein have been long used for sex estimation, but the validity of using the mandible in this purpose has become a concern. In this study, we examined the potential of artificial intelligence (AI) and especially deep learning (DL) to provide accurate sex estimations from the mandible. We used 193 modern South African mandibles from the Human Osteological Research Collection (HORC) in the Sefako Makgatho Health Sciences university with known sex to conduct our study. All mandibles were photographed from the same angle and the photographs were analyzed with an open-source DL software. The best-performing DL algorithm estimated the sex of males with 100% accuracy and females with 76.9% accuracy. However, further studies with a higher number of specimens could provide more reliable validity for using AI when building the biological profile from skeletal remains.
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Affiliation(s)
- Anniina Kuha
- Archaeology, Faculty of Arts, University of Helsinki, P.O. Box 59, FI-00014 Helsinki, Finland; Biology, Faculty of Sciences, University of Oulu, Pentti Kaiteran katu 1, 90570 Oulu, Finland; Archaeology, Faculty of Arts, University of Oulu, Pentti Kaiteran katu 1, 90570 Oulu, Finland.
| | - Jan Ackermann
- Sefako Makgatho Health Sciences University, Molotlegi Street, 0208 Ga-Rankuwa, South Africa
| | - Juho-Antti Junno
- Archaeology, Faculty of Arts, University of Oulu, Pentti Kaiteran katu 1, 90570 Oulu, Finland; Department of Anatomy, University of Oulu, Aapistie 5, 90014 Oulu, Finland
| | - Anna Oettlé
- Sefako Makgatho Health Sciences University, Molotlegi Street, 0208 Ga-Rankuwa, South Africa
| | - Petteri Oura
- Department of Forensic Medicine, University of Helsinki, P.O. Box 21, FI-00014 Helsinki, Finland; Forensic Medicine Unit, Finnish Institute for Health and Welfare, P.O. Box 30, FI-00271, Helsinki, Finland; Research Unit of Health Sciences and Technology, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 8000, FI-90014 Oulu, Finland
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Harnádková K, Kočandrlová K, Kožejová Jaklová L, Dupej J, Velemínská J. The effect of sex and age on facial shape directional asymmetry in adults: A 3D landmarks-based method study. PLoS One 2023; 18:e0288702. [PMID: 37535545 PMCID: PMC10399867 DOI: 10.1371/journal.pone.0288702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 07/03/2023] [Indexed: 08/05/2023] Open
Abstract
OBJECTIVES Facial directional asymmetry research, including age-related changes, is crucial for the evaluation of treatment of craniofacial malformations/trauma in orthodontics, facial surgery and forensic sciences. The aim was to describe facial directional asymmetry (DA) in different age categories of adults using 3D methods. According to our hypothesis, facial shape DA (1) depends on sex; (2) differs among age groups; and (3) has wider variability in older age. MATERIAL AND METHODS A cross-sectional sample of healthy Czech adults without craniofacial trauma or anomalies consisted of 300 3D facial models (151 females). The age-range in the study was between 20-80 years. The shape asymmetry of 28 3D landmarks was evaluated using geometric morphometrics and multivariate statistics. RESULTS The manifestation of DA was similar in both sexes and in each age category; however, there were some statistical differences. In contrast to the ideal symmetrical face, the mean asymmetrical faces tended to create a slightly bent "C" shape of the midline. Therefore, the upper face was rotated slightly clockwise and the lower face counter-clockwise. The right eye was located slightly higher, with the nasal tip and mandibular region tilting to the left. Sex differences in facial DA were significant before the age of 40. DA was more significant in the youngest males than in the oldest, while the women's DA did not change. CONCLUSIONS The DA patterns were similar in both sexes and in all age categories (a slightly bent C shape of the midline); however, some significant local differences between male age groups were found. A significantly more pronounced asymmetry compared to other age groups was found only in the youngest males from 20 to 40 years. Moreover, significant sexual dimorphism of DA rapidly decreased after middle age, likely caused by the same age-related changes of the face during aging.
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Affiliation(s)
- Katarína Harnádková
- Laboratory of 3D Imaging and Analytical Methods, Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague, Czech Republic
- Department of Histology and Embryology, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Karolina Kočandrlová
- Laboratory of 3D Imaging and Analytical Methods, Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague, Czech Republic
| | - Lenka Kožejová Jaklová
- Laboratory of 3D Imaging and Analytical Methods, Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague, Czech Republic
| | - Ján Dupej
- Laboratory of 3D Imaging and Analytical Methods, Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jana Velemínská
- Laboratory of 3D Imaging and Analytical Methods, Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague, Czech Republic
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Alhazmi N. Assessment of mandibular asymmetry in different skeletal malocclusions and vertical patterns in adult individuals: A cone-beam computed tomography study. J Orthod Sci 2023; 12:33. [PMID: 37351397 PMCID: PMC10282567 DOI: 10.4103/jos.jos_112_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/18/2022] [Accepted: 01/05/2023] [Indexed: 06/24/2023] Open
Abstract
OBJECTIVES The study aims to measure the mandibular condylar height (CH), ramus height (RH), total height (CH+RH), asymmetry index, and condylar volume (Cvol) in individuals with different anteroposterior and vertical skeletal discrepancies. MATERIALS AND METHODS The study sample consisted of 131 subjects (60 females and 71 males) with a mean age of 35.06 ± 12.79 years. Pre-existing CBCT images were divided into groups according to the anteroposterior and vertical skeletal discrepancies. The investigator analyzed the data using t-tests to assess the mandibular bilateral sides of the individuals and gender differences. The mean difference between groups was determined using a one-way analysis of variance (ANOVA). The Chi-square test was used to study the association between the asymmetry index and groups. RESULTS Each individual's bilateral sides exhibited statistically significant differences in CH, RH, and Cvol (P = 0.033, P = 0.039, P = 0.005, respectively), but not in CH+RH (P = 0.458). There were, however, statistically significant gender differences in CH+RH (P < 0.001). Skeletal Class III and hypodivergent groups revealed the highest linear and volumetric values compared to other groups. The asymmetry index was increased in CH (P = 0.006) and Cvol (P = 0.002) in skeletal Class II subjects. CONCLUSIONS Significant differences in CH, RH, and Cvol were found on the right and left sides of the same individual. This study found increased linear and volumetric values in males, skeletal Class III, and hypodivergent subjects. Class II individuals had an increased CH and Cvol asymmetry index. This study highlights in-depth knowledge of mandibular asymmetry, which is extremely important to achieve an accurate diagnosis and provide the best treatment outcome.
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Affiliation(s)
- Nora Alhazmi
- Department of Preventive Dental Science, College of Dentistry, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- Ministry of the National Guard Health Affairs, Riyadh, Saudi Arabia
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Lo AL, Hallac RR, Chen SH, Hsu KH, Wang SW, Chen CH, Lien RY, Lo LJ, Chou PY. Craniofacial Growth and Asymmetry in Newborns: A Longitudinal 3D Assessment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12133. [PMID: 36231433 PMCID: PMC9564900 DOI: 10.3390/ijerph191912133] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/09/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVE To evaluate the development of the craniofacial region in healthy infants and analyze the asymmetry pattern in the first year of life. METHODS The participants were grouped by sex and age (1, 2, 4, 6, 9, and 12 months) to receive three-dimensional (3D) photographs. Stereoscopic craniofacial photos were captured and transformed into a series of craniofacial meshes in each group. The growth patterns of the anthropometric indices and the degree of craniofacial asymmetry were measured, and average craniofacial meshes and color-asymmetry maps with craniofacial asymmetry scores were calculated. RESULTS A total of 373 photographs from 66 infants were obtained. In both genders, the highest and lowest growth rates for all anthropometric indices were noted between 1 and 2 months and between 9 and 12 months, respectively. Overall, male infants had higher anthropometric indices, head volume, and head circumference than female infants. The craniofacial asymmetry score was presented with a descending pattern from 1 to 12 months of age in both sex groups. Both sex groups showed decreased left-sided laterality in the temporal-parietal-occipital region between 1 and 4 months of age and increased right frontal-temporal prominence between 6 and 12 months of age. CONCLUSIONS A longitudinal evaluation of the craniofacial growth of healthy infants during their first year of life was presented.
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Affiliation(s)
- Ai-Lun Lo
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
- Craniofacial Research Center, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Rami R. Hallac
- Analytical Imaging and Modeling Center, Children’s Health Dallas, UTSW Medical Center, Dallas, TX 75390, USA
| | - Shih-Heng Chen
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Kai-Hsiang Hsu
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou 33302, Taiwan
| | - Sheng-Wei Wang
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan
| | - Chih-Hao Chen
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Rei-Yin Lien
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou 33302, Taiwan
| | - Lun-Jou Lo
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
- Craniofacial Research Center, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Pang-Yun Chou
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
- Craniofacial Research Center, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
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Evaluation of the Relationship between the BMI and the Sequence and Chronology of Eruption in Permanent Dentition in Spanish Population. Healthcare (Basel) 2022; 10:healthcare10061046. [PMID: 35742098 PMCID: PMC9222528 DOI: 10.3390/healthcare10061046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
The aim was to analyze the relationship between BMI (body mass index) and the sequence and chronology of the eruption of permanent teeth in a sample of Spanish children. Methods: The study design was descriptive, cross-sectional, observational, and epidemiological. Patients of pediatric age were included. Emerged teeth, and patient’s age, race, and sex were recorded. The nutritional status of the child was assessed by calculating the BMI, according to the WHO parameters. Statistical analysis was carried out with a confidence interval of 95%. A prediction model with logistic regression models was obtained. Results: A total of 725 pediatric patients between 4 and 14 years old were analyzed. BMI acts as a predictor variable for eruption symmetry, as it was most frequent in overweight children (p < 0.001). The probability of symmetry in dental eruption increases for South American children, for an extra month of age, and each meter of height. BMI had an influence in the first tooth to appear only in the fourth quadrant. BMI did not seem to influence present teeth, and the sequence of permanent dental eruption was not influenced by the BMI category. Conclusions: Age, weight, height, and BMI act as significant predictors for eruption symmetry. BMI does not produce alterations in the eruption sequence of the permanent dentition.
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