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Orbicularis Oris

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41. MRPL53, a New Candidate Gene for Orofacial Clefting, Identified Using an eQTL Approach. (PubMed)

malformation, we searched for genetic variants with a regulatory role in a disease-related tissue, the lip muscle (orbicularis oris muscle [OOM]), of affected individuals. From 46 OOM samples, which are frequently discarded during routine corrective surgeries on patients with orofacial clefts, we derived mesenchymal stem cells and correlated the individual genetic variants with gene expression from these cultured cells. Through this strategy, we detected significant cis-eQTLs (i.e., DNA variants affecting

2017 Journal of Dental Research

42. Distribution Pattern of the Superior and the Inferior Labial Arteries -Impact for Safe Upper and Lower Lip Augmentation Procedures. (PubMed)

anatomical study. In total, six 3-cm-long vertical incisions were performed on each lip (midline and 1 cm medial to the angles of the mouth) to identify the position of the superior and inferior labial arteries in relation to the orbicularis oris muscle.Three different positions of the superior and inferior labial arteries were identified: submucosal (i.e., between the oral mucosa and the orbicularis oris muscle in 78.1 percent of the cases), intramuscular (i.e., between the superficial and deep layers (...) of the orbicularis oris muscle in 17.5 percent of the cases), and subcutaneous (i.e., between the skin and the orbicularis oris muscle in 2.1 percent of the cases). The variability in changing the respective position along the labial course was 29 percent for the total upper and 32 percent for the total lower lip. The midline location was identified in both the upper and lower lips to be the most variable.Based on the results of this investigation, a safer location for the application of volumizing material

2017 Plastic and reconstructive surgery

43. Excision of sebaceous cyst by intraoral approach: A case report. (Full text)

implemented an intraoral approach to excise the cyst, wherein an intraoral incision was made and blunt dissection was performed through the buccinator muscle or orbicularis oris muscle until the cyst wall was seen. The cyst was then dissected from the surrounding subcutaneous tissue by careful blunt dissection with a hemostat and completely removed through the intraoral incision.All patients had complete recovery, with no recurrence or complaints for at least 6 months after the surgery.A sebaceous cyst

2017 Medicine PubMed

44. A New Method for Reconstruction of Vermilion Deficiency in Cleft Lip Deformity: The Bi-Winged Myomucosa Switch Flap. (PubMed)

patients with secondary vermilion deficiency after primary bilateral cleft lip repair. The flap consisted of the transverse vermilion mucosa and the superior part of the orbicularis oris muscle from the lower lip. It was elevated, leaving a central cuff of muscle and mucosa tissue for blood supply, and tapered down bilaterally. The flap was transposed cephalically and inset to the deficient upper vermilion. Division of the pedicle was performed 2 weeks later. The preoperative and postoperative

2017 Plastic and reconstructive surgery

45. Somatic PIK3CA mutations are present in multiple tissues of facial infiltrating lipomatosis. (Full text)

Somatic PIK3CA mutations are present in multiple tissues of facial infiltrating lipomatosis. BackgroundFacial infiltrating lipomatosis (FIL) is a congenital disorder that causes overgrowth of one side of the face. The purpose of this study was to determine whether PIK3CA mutations are present in tissues outside of the subcutaneous adipose.MethodsFIL tissues from three patients were dissected to enrich for cells from skin, subcutaneous tissue, orbicularis oris muscle, buccal fat, zygomatic bone

2017 Pediatric Research PubMed

46. Complete Philtrum Reconstruction on the Partial-Thickness Cross-Lip Flap by Nasolabial Muscle Tension Line Group Reconstruction in the Same Stage of Flap Transfer. (Full text)

lip defects by measuring the 3-dimensional scans.In the patient group, the split flap was elevated from the posterior portion of the oris orbicularis muscle after the inferior labial arteries were divided. Then the partial-thickness flap was rotated 180° horizontally and inverted 180° upward to the upper lip defect. The philtrum was reconstructed using the nasolabial muscle tension line group reconstruction.Three-dimensional scans were performed from the 2-month to 28-month revisits.A total of 11

2017 JAMA facial plastic surgery PubMed

47. Pyramidal tract activation due to subthalamic deep brain stimulation in Parkinson's disease. (PubMed)

electromyographic activity in orbicularis oris and first dorsal interosseous muscles at each of 150 electrode sites. We also modeled the electric field spread and calculated its overlap with the estimated anatomical location of corticospinal and corticobulbar tracts from primary motor cortex using 3 Tesla MRI probabilistic tractography.Mean resting motor thresholds were significantly lower for the contralateral orbicularis oris (3.5 ± 1.0 mA) compared with ipsilaterally (4.1 ± 1.1 mA) and with the contralateral (...) first dorsal interosseous (4.0 ± 1.2 mA). The modeled volumes of corticobulbar and corticospinal tract activated correlated inversely with the resting motor threshold of the contralateral orbicularis oris and first dorsal interosseous, respectively. Active motor thresholds were significantly lower compared with resting motor thresholds by around 30% to 35% and correlated with the clinically used stimulation amplitude. Backward multiple regression in 12 individuals with a "lateral-type" speech showed

2017 Movement Disorders

48. Lip reconstruction using a functioning serratus anterior free flap: preliminary study. (PubMed)

of the orbicularis oris and frontal muscles was performed for all patients in the preoperative, postoperative, and follow-up periods. All patients survived the surgical operation. Three patients achieved perfect oral sphincter function without drooling. Electromyography at 1 year postoperative demonstrated the successful reinnervation of the serratus anterior muscle. This study demonstrates that lip reconstruction using an innervated serratus anterior muscle free flap is a reliable method, providing a functional

2017 International Journal of Oral and Maxillofacial Surgery

49. New Chicco Bottles Study

data (i.e. speed) for a certain point on the muscle during muscle contraction. The use of SLI allowed us to determine the activity of oral muscles on the different types of feeding and to compare their strength and activity. Principal aims of the present study was to assess the activity of the orbicularis oris muscle (OM) and of the masseter, temporalis and buccinator muscles (MM, TM and BM) (i.e. the muscles in charge of sucking during breastfeeding) during breastfeeding and bottle-feeding (...) days) (at least 2 breastfeeding sessions per day) Outcome Measures Go to Primary Outcome Measures : Mean Velocity orbicularis oris (OM) Muscle by means of SLI [ Time Frame: Week 2 ] To assess the orbicularis oris muscle (OM) and the perioral muscles (masseter, temporalis and buccinator muscles - MM, TM and BM) activity during breast- or bottle-feeding through SLI of the face during a single feeding session considering 3 treatment groups + 3 comparison groups: Treatment groups: bottle-fed infants

2017 Clinical Trials

50. Silicone Gel in the Treatment of Cleft Lip Scars

whether the injection of botulinum toxin A into the orbicularis oris muscle could improve the quality of the cleft lip scar . The results revealed that botulinum toxin injections into the subjacent orbicularis oris muscle produced narrower cheiloplasty scars, but provided no additional benefits in terms of scar pigmentation, vascularity, pliability or height. During that study, the parents of 14% (4/29) of the babies within the control group reported that participant baby had tried, albeit

2017 Clinical Trials

51. New Treatment in Facial Nerve Palsy Caused by Sagittal Split Ramus Osteotomy of Mandible (Full text)

New Treatment in Facial Nerve Palsy Caused by Sagittal Split Ramus Osteotomy of Mandible A 25-years-old woman with mandibular prognathism underwent a mandibular setback by way of mandibular sagittal split ramus osteotomy (MSSRO). After 2 days of operation, she developed difficulty of closing her right eye. The blink reflex test and motor nerve conduction study of the right orbicularis oris muscle were revealed right facial neuropathy of unknown origin and House-Brackmann facial nerve grading

2017 Archives of Craniofacial Surgery PubMed

52. Transoral Cross-Lip (Abbé-Estlander) Flap as a Viable and Effective Reconstructive Option in Middle Lower Lip Defect Reconstruction (Full text)

elevation was carried out from the lateral commissure and then was transferred into the lower lip defect. Three weeks later, commissuroplasty was performed to correct the rounding at the new commissure. The patient is currently performing his daily activities with no apparent compromise in orbicularis oris strength or oral continence. Given the size of the primary defect and the flap-to-defect ratio of size, the degree of microstomia was acceptable. Even with other myriad of reconstructive options

2017 Annals of dermatology PubMed

53. Comorbid Human Immunodeficiency Virus (HIV) and Muscle-Specific Kinase (MuSK) Myasthenia Gravis: A Case Report and Literature Review (Full text)

with asymptomatic HIV infection who presented with new-onset MuSK myasthenia gravis. CASE REPORT A 44-year-old African-American woman with HIV since 2004 and on highly active antiretroviral therapy (HAART) presented to the ED with complains of double vision and difficulty swallowing for 2 weeks. The patient was intermittently on HAART therapy. On examination, she had bilateral ptosis, weak orbicularis oris and orbicularis oculi, along with mild lateral gaze palsy of the left eye. Her CD4 count was 383

2017 The American journal of case reports PubMed

54. Modified Fisher method for unilateral cleft lip-report of cases (Full text)

to the unaffected philtral ridge. Usually, small inlet incision is needed to lengthen the medial flap. On lateral flap, small triangle just above the cutaneous roll is used to prevent unesthetic shortening of upper lip. This allows better continuity of the Cupid's bow and ideal distribution of tension.As a modification to original method, orbicularis oris muscle overlapping suture is applied to make the elevated philtral ridge. Concomitant primary rhinoplasty also results in good esthetic outcome with symmetric

2017 Maxillofacial Plastic and Reconstructive Surgery PubMed

55. Correction of Minor-Form and Microform Cleft Lip Using Modified Muscle Overlapping with a Minimal Skin Incision (Full text)

-plasty, formation of the philtral column using overlapping of an orbicularis oris muscle flap through an intraoral incision, and correction of the cleft lip nasal deformity using a reverse-U incision and V-Y plasty. A single radiologist evaluated ultrasonographic images of the upper lip.Sixty patients were treated between September 2008 and June 2014. The age at the time of operation ranged from 6 to 36 months (mean, 26 months). The follow-up period ranged from 8 to 38 months (mean, 20 months

2017 Archives of plastic surgery PubMed

56. Anatomical Study and Comprehensive Review of the Incisivus Labii Superioris Muscle: Application to Lip and Cosmetic Surgery (Full text)

in this study. First, the incisivus labii superioris muscle was dissected to reveal its origin and insertion, and its relationship to other mimetic muscles. Secondly, the distance from the midline to the innermost part of the bony attachment of the muscle was measured. The literature describing the incisivus labii superioris muscle was reviewed. Results The incisivus labii superioris muscle consisted of two parts, inferior and superior. The former merged into the orbicularis oris and the latter (...) into the nasalis. The mean distance from the midline to the innermost part of the bony attachment of the incisivus labii superioris muscle was 4.8 ± 1.7 mm on the right side and 4.9 ±1.7 mm on the left. Conclusions The results of the present study suggest that the inferior part of the incisivus labii superioris should be considered as an accessory muscle of the orbicularis oris complex, and the superior part is the nasalis muscle.

2017 Cureus PubMed

57. Reconstruction of Near-Total Loss of the Upper and Lower Lips due to Purpura Fulminans with Local Tissue and a Dual-Skin Paddled Anterolateral Thigh Flap (Full text)

necrosis. Fortunately, our patient had retained his oral commissure function. We reconstructed this defect with an orbicularis oris muscle-skin-mucosal pedicled flap derived from the region between the nasolabial folds for upper lip; a similar bipedicled flap for the lower lip and the donor site was closed with a dual-skin paddled anterolateral thigh flap. Postoperative results were satisfactory, that is, no lip tightness or aperture restriction was seen, and symmetry had been achieved. The new lips

2017 Plastic and Reconstructive Surgery Global Open PubMed

58. Intramuscular hemangioma in buccal cheek: a case report (Full text)

swelling of the left cheek that had gradually increased in size over a 6 year duration. The examination revealed a palpable firm mass. Reddish-blue buccal mucosa color was observed with an aciniform shape. Preoperative magnetic resonance imaging (MRI) showed a vascular tumor in the left side adjacent to the buccinator and depressor orbicularis oris muscles. Surgical resection under general anesthesia was performed via the intraoral approach. The mass and phleboliths were extracted successfully

2017 Journal of the Korean Association of Oral and Maxillofacial Surgeons PubMed

59. Effect of neuromuscular electrical stimulation on lip strength and closure function in patients with dysphagia after stroke (Full text)

Effect of neuromuscular electrical stimulation on lip strength and closure function in patients with dysphagia after stroke [Purpose] This study aimed to investigate the effect of neuromuscular electrical stimulation (NMES) on lip strength and closure function of patients with dysphagia after stroke. [Subjects and Methods] Eight patients with dysphagia were recruited. NMES was applied to the orbicularis oris muscle. All the participants received NMES for 30 min/d, 5 d/wk, for 4 weeks. Lip

2017 Journal of physical therapy science PubMed

60. Vermilion Reconstruction with Genital Mucosa (Full text)

of multiple vermilion and skin resections of the upper lip. At the last step, we had to resect even the whole vermilion mucosa, including parts of the oral mucosa of the vestibule, leaving a bare orbicularis oris muscle. To reconstruct the mucosal layer, we used a mucosal graft from the labia minora and placed it on the compromised lip and the former transpositional flaps for the reconstructed skin of the upper lip with very good functional and aesthetic results.

2016 Plastic and Reconstructive Surgery Global Open PubMed

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