Association between facial growth pattern and facial muscle activity: A prospective cross-sectional study

Alabdullah, Mohannad M.; Saltaji, Humam; Abou-Hamed, Hussein; Youssef, Mohamed

doi:10.1016/j.ortho.2015.03.011

Cited by 25 publications

(21 citation statements)

References 21 publications

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“…22 It has been shown that a significant relationship exists between masticatory muscle activity and vertical skeletal growth pattern. 23 The differences in masseter and medial pterygoid orientation and volume present in subjects with different underlying vertical skeletal patterns 24 may be important.…”

Section: Discussionmentioning

confidence: 99%

Comparison of condylar size among different anteroposterior and vertical skeletal patterns using cone-beam computed tomography

Hasebe

Yamaguchi

Nakawaki

et al. 2018

The Angle Orthodontist

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Objectives: To compare condylar size among different anteroposterior and vertical skeletal patterns using cone-beam computed tomography (CBCT). Materials and Methods: The study included 166 subjects (61 men, mean age: 27.2 ± 7.6 years; 105 women, mean age: 27.4 ± 9.2 years). The anteroposterior skeletal patterns of the subjects were classified into Classes I (−1° ≤ A point–nasion–B point angle [ANB] < 4°), II (ANB ≥ 4°), and III (ANB < −1°). The vertical skeletal patterns were classified into hypodivergent (mandibular plane [MP] ≤ 23°), normodivergent (23° < MP < 30°), and hyperdivergent (MP ≥ 30°) groups. The condylar length, height, and width were examined using CBCT images. Analysis of covariance was used to compare three condylar size measurements among the three anteroposterior groups and the three vertical groups using sex as a covariate. Both left and right sides were examined. Nine groups were further divided according to the anteroposterior and vertical groups, and two-way analysis of covariance (ANCOVA) was applied to estimate the composite effect of skeletal patterns in both directions. Results: Sex as a covariate showed statistical significance in most examinations. The condylar height on both sides had statistically different anteroposterior skeletal patterns (P < .001). The condylar width on both sides also had statistically different vertical skeletal patterns (P < .001). After adjusting for sex, the condylar height and width on both sides increased from Class II, Class I, and Class III. The condylar width on both sides increased from the hypodivergent group, the normodivergent group, and the hyperdivergent group. No composite effect of skeletal patterns in both directions was observed. Conclusions: Condylar height and width considerably differed among subjects with different anteroposterior or vertical skeletal patterns. The anteroposterior or vertical skeletal patterns independently affected the condylar size.

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Section: Discussionmentioning

confidence: 99%

Comparison of condylar size among different anteroposterior and vertical skeletal patterns using cone-beam computed tomography

Hasebe

Yamaguchi

Nakawaki

et al. 2018

The Angle Orthodontist

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“…However, early surgery is conductive to the catch-up of weight, and BMDO within 3 months after birth reduces the need for feeding intervention in PRS patients (14). Resuming oral eating and chewing exercise as soon as possible can also promote the catch-up growth of the mandible (15,16). Studies have pointed out that repeated airway infections between the age of 2-3 months have a long-term negative impact on growth and development (17).…”

Section: Discussionmentioning

confidence: 99%

Study on the Effect of Bilateral Mandible Distraction Osteogenesis About the Nutrition Status of Infants With Pierre-Robin Sequence

et al. 2021

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Objective: By comparing and studying the changes of food intake, weight, body length, BMI, blood albumin level and other indicators of infants with Pierre-Robin Sequence (PRS) before and after Bilateral Mandible Distraction Osteogenesis operation, to explore the effect of distraction osteogenesis on PRS patients about the improvement of nutrition status.Methods: The children with PRS who admitted to the Oral and Maxillofacial Surgery Department of Guangzhou Women and Children's Medical Center from July 2015 to December 2020 were selected. All patients accepted bilateral mandible distraction osteogenesis surgery, and the pre- and post-operative indicators were recorded, such as food intake, weight, length, blood albumin level and others. BMI was calculated based on the indicators mentioned above, and comparative statistical analysis was performed.Results: 1. All patients were fed with whole milk before the first surgery, and the average calorie per kg was 91.8 kcal/kg, significantly lower than the standard (100–150 kcal/kg), suggesting the overall nutritional intake of PRS patients is low; 2. t tests for independent samples were used to analyze the pre-operative and post-operative indicators. The WFA percentile increased from 14.16 ± 2.17 to 15.01 ± 1.85% (P = 0.0048), WFA z score increased from −2.40 ± 0.18 to −1.90 ± 0.14 after the surgery (P = 0.0010), LFA percentile increased from 20.04 ± 3.48 to 33.67 ± 4.29% (P = 0.0098), LFA z score increased from −2.09 ± 0.19 to −1.42 ± 0.23 (P = 0.0009), BMI z score increased from −1.95 ± 0.22 to −1.39 ± 0.16 (P = 0.0408), ALB raised from 37.06 ± 0.51 to 42.85 ± 0.30 g/L (P < 0.001), which indicating that the physique of patients improved after the distraction osteogenesis surgery, mainly was reflected by the lifting of weight and length growth curves; the body shape also improved, indicating that the patients' nutrition status after the surgery is also improved.Conclusion: Bilateral mandible distraction osteogenesis surgery has a positive effect on the nutrition status of children with PRS. This effect is mainly reflected by the improvements of the body physical indicators after surgery.

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“…The weakness of the masticatory muscles coupled with the unbalanced tension of the anterior digastric and masseter muscles at rest contributed to the extremely steep gonial angle resembling that of patients affected by cerebral palsy or muscular dystrophy. [ 18 , 19 ] When the patient had returned for dental follow-up nearly 3 years after the TLA takedown, the position of the mandibular alveolus had significantly improved and three mandibular permanent incisors had erupted in a more upright fashion (Fig. 3 ).…”

Section: Discussionmentioning

confidence: 99%

Resolution of obstructive sleep apnea after mandibular distraction osteogenesis in setting of delayed tongue–lip adhesion takedown

Randall¹,

Kian

Chin

et al. 2018

Medicine

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Rationale:There is a high prevalence of obstructive sleep apnea (OSA) in patients with Pierre Robin sequence (PRS), and treatment approaches are highly variable. One approach is a temporary tongue-lip adhesion (TLA) that acts as a temporizing measure while the mandible continues to grow and is usually taken down at 1 year of age.Patient concerns:Side effects of prolonged tongue-lip adhesion and optimal workup and treatment of persistent OSA in the setting of a tongue-lip adhesion.Diagnoses:Pierre Robin sequence (PRS), persistent obstructive sleep apnea (OSA), and tongue-lip adhesion (TLA).Interventions:Mandibular distraction osteogenesis (MDO), adenotonsillectomy, and tongue-lip adhesion takedown.Outcomes:Resolution of OSA.Lessons:This case puts into question the efficacy of isolated TLA in infants with Pierre Robin sequence and OSA, and places emphasis on the importance of considering an earlier workup of other potential causes of obstruction and the potential need for MDO as a primary or adjunctive approach to treatment.

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Association between facial growth pattern and facial muscle activity: A prospective cross-sectional study

Cited by 25 publications

References 21 publications

Comparison of condylar size among different anteroposterior and vertical skeletal patterns using cone-beam computed tomography

Comparison of condylar size among different anteroposterior and vertical skeletal patterns using cone-beam computed tomography

Study on the Effect of Bilateral Mandible Distraction Osteogenesis About the Nutrition Status of Infants With Pierre-Robin Sequence

Resolution of obstructive sleep apnea after mandibular distraction osteogenesis in setting of delayed tongue–lip adhesion takedown

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