Challenges in Managing Post-Radiation TMJ Pseudoankylosis.

This study demonstrates the outcomes of post-radiation temporomandibular joint (TMJ) pseudoankylosis management and its challenges. A rare maxillary squamous cell carcinoma was treated with subtotal maxillary resection. Subsequent radiation therapy, failure of free flap reconstruction, and 1 year of jaw hypomobility instigated TMJ pseudoankylosis with a maximal mouth opening (MMO) of less than 5 mm. Bilateral coronoidectomy was done simultaneously with maxillary reconstruction, followed up with buccal fibrosis release and extensive jaw exercises. At 16 months of follow-up, the patient's MMO was 20 mm. Although bilateral coronoidectomy released the attachment of the atrophic temporalis muscle, it did not correct the other causes of trismus, specifically the progressive fibrosis of masticatory muscles, loss of elasticity of the TMJ ligaments, and other soft tissue abnormalities. Radiotherapy-induced-trismus refractory to physical exercise may require further management to achieve satisfactory MMO.

Revolutionizing Adult Micrognathia Treatment: Should Free Fibular Flap Become an Option?

The management of micrognathia in adults necessitates intricate surgical procedures. A vascularized bone graft, notably the free fibular flap (FFF), offers a novel viable solution for repairing significant defects. However, the limited utilization of FFF in adult micrognathia contributes to gaps in understanding its outcomes. A retrospective case series of 2 patients aged 28 and 65, with severe micrognathia due to neglected trauma and osteoradionecrosis, underwent refracture and reconstruction with FFF. Intraoperatively, no significant complications occurred. The FFF were molded to fit the gaps of refractured mandible sites, with similar surgical approaches for both patients. Upon 3 months' follow up, their quality of life (QoL), structural changes, and sensation alterations were assessed and showed promising results. The sensory impairment caused did not hinder the quality of life. Thus, the free fibular flap demonstrates promising outcomes as the initial treatment for adult micrognathia, yielding minimal morbidities and significant functional and anatomic improvements.

Biomechanical Property and Biocompatibility of a New Silicone Rubber Nasal Retainer (Nostriloo).

Nasal retainers have been utilized to maintain the position of the nose after primary rhinoplasty in cleft lip patients. However, commercial nasal retainers made from silicone are quite expensive. To address this issue, the authors designed an alternative nasal retainer that is affordable, safe, and has similar biomechanical and biocompatibility properties to other commercial nasal retainers. Three types of nasal retainers were tested: our own (Nostriloo), a commercial nasal retainer from Turkey, and another one from Taiwan. There were 3 samples on each group, with a total sample of 9 retainers. Each sample was tested for biomechanical property and biocompatibility. Elasticity modulus, tensile strength, and direct and indirect toxicity were analyzed. Nostriloo had the least durable tensile strength but showed similar elastic modulus (2.76 ± 0.41 MPa) compared with human lower lateral cartilage (2.09 ± 0.81 MPa). On the basis of direct and indirect toxicity tests, Nostriloo is considered nontoxic. Nostriloo can be utilized for small-scale production and use. Further experiment is needed to produce higher-quality nasal retainers.

The Efficacy of Naso-Alveolar Molding on Premaxilla Pushback and Dentoalveolar Changes in Patients With Bilateral Cleft Lip and Palate.

OBJECTIVE: To evaluate the extent of naso-alveolar molding (NAM) in pushing the premaxilla posteriorly in patients with bilateral cleft lip and palate (BCLP). BACKGROUND: Naso-alveolar molding application in cleft lip and palate cases bridges the cleft gap and increases nasal tip projection. In BCLP, NAM potentially mobilizes the premaxilla posteriorly to allow tension-free primary lip closure. However, some patients with BCLP with NAM history still necessitate osteotomy during labioplasty, questioning the efficacy of NAM for BCLP management. METHODS: This single-center retrospective study was conducted using medical records of nonsyndromic patients with BCLP. Twenty-six patients with BCLP were enrolled over a 5-year period with a history of NAM application before primary labioplasty. The changes in premaxilla width (P), anterior arch width (A), posterior arch width (R), and anteroposterior projection of the premaxilla (P'-A') were statistically analyzed at 2 time points: (1) at the start of NAM application (T1) and (2) after completion of NAM before surgery (T2). RESULTS: The average age at NAM initiation was 46.2 ± 40.4 days, and the average duration of NAM usage was 125.14 ± 62.94 days. A and P-A showed significant differences between T1 and T2 (P < 0.0001), whereas the rest did not show significant differences in value following NAM application (P > 0.05). Naso-alveolar molding successfully pushed back the premaxilla portion about 4.68 ± 2.83 mm on average. CONCLUSION: Naso-alveolar molding can push back the premaxillary protrusion up to 5 mm, which can serve as a cutoff point for the consideration of combined modalities. Prenatal diagnosis, counseling, and cleft education should be the benchmark in cleft centers to improve overall patient outcomes.

Does Free Fibular Flap Reconstruction Affect the Quality of Life in Pediatric Patients With Various Extend of Mandible Defects?

BACKGROUND: The long-term outcomes in pediatric patients with various extents of mandible defects have not been well-documented. METHODS: A retrospective case series in which this study looked at pediatric patients under the age of 13 who had mandibular reconstruction with free fibular flap and had not received another operation in the previous 6 months. The eating, swallowing, speech function, and quality of life are evaluated with EORTC QLQ-H&N35 after the mandible growth spurt has occurred. RESULTS: A total of 7 patients were included in this study with operation ages ranging from 6 years 1 month to 12 years 2 months. The etiology of malignant tumors was found in 2 patients and benign tumors in 5 patients. The mandibular defect distribution consists of 1 class Ic, 1 class II, 2 class IIc, 2 class III, and 1 class IVc. All patients reported no swallowing or speech difficulties. However, transient eating trouble was seen in 1 patient due to the extensive defect size that causes tooth loss. Only 1 patient received dental rehabilitation. The patients displayed an overall good quality of life with an average score of 2.857. CONCLUSIONS: Free fibular flap for mandibular reconstruction in children who have not reached their mandibular growth peak have a satisfying outcome, both in their function and quality of life.

Bilateral Cleft Lip and Palate in Ring Chromosome 7 Syndrome: A Case Report and Review of Clinical Characteristics.

This report presents a case of ring chromosome 7 syndrome with bilateral cleft lip and palate. A four-year-old boy presented with bilateral cleft lip and palate, microcephaly, clenched toes, cafe-au-lait spots, a history of epilepsy, and severe intellectual disability. Genetic karyotyping revealed 46 XY r(7) (p22q36). His cheiloplasty and delayed palatoplasty were successful. A review of 22 previous r(7) patients revealed that 22.7% had cleft lip and/or palate. This case demonstrates the importance of a multidisciplinary evaluation for cleft patients, particularly those with syndromic features and global developmental delay.

Limited Access to Alveolar Bone Graft Surgery Following Primary Cleft Lip and Palate Repair in Indonesia: A Questionnaire-Based Qualitative Study.

INTRODUCTION: Cleft Lip and Palate is the most common craniofacial anomaly, and cleft lip and palate repair is widely performed. Alveolar cleft accompanies 75% of cleft lip cases and requires alveolar bone graft (ABG) surgery at mixed dentition age. However, studies on rates of ABG surgery are scarce. OBJECTIVE: This study aims to investigate the low popularity of ABG and orthodontic care among patients with ABG history at Cleft and Craniofacial Centre, Cipto Mangunkusumo Hospital, Jakarta. METHOD: A total of 771 patients had orofacial cleft surgeries throughout 2015 to 2021. A descriptive analysis of labioplasty, palatoplasty, and ABG surgeries was presented. Questionnaire-based qualitative analysis of ABG was obtained from the patient's guardians to evaluate the limitation and experience of conducting the surgery at our institution. RESULTS: We distributed questionnaires to 13 patients with a history of ABG. ABG accounted for only 5% of total orofacial cleft surgeries. The average age of ABG surgery and orthodontic care initiation was 11 and 11.8 years old, respectively. About 82% had access to preoperative and postoperative orthodontic care; however, only 11% received PSO before 9 years old. The satisfaction rate was 100% and 75% in ABG patients with and without orthodontic care, respectively, reporting improved feeding, speech, teeth alignment, and esthetic result. CONCLUSION: Orofacial cleft management requires a multistage, comprehensive, and multidisciplinary approach. The number of ABG surgeries is low in developing countries, attributed to unequal access to ABG and orthodontic care, suggesting that limitations of knowledge, geography, and economy play a big role in Indonesian healthcare.

Repair of Protruding Bilateral Cleft Lip and Palate With Staged Premaxilla Setback Osteotomy, Cheiloplasty, and Palatoplasty in Trisomy 17p Patient: A Review of Syndromic Clinical Characteristic.

Chromosome 17 duplication is correlated with an increased risk of developmental delay, birth defects, and intellectual disability. Here, we reported a female patient with trisomy 17 on the whole short arm with bilateral complete cleft lip and palate (BCLP). This study will review the surgical strategies to reconstruct the protruding premaxillary segment, cleft lip, and palate in trisomy 17p patient.The patient had heterozygous pathogenic duplication of chromosomal region chr17:526-18777088 on almost the entire short arm of chromosome 17. Beside the commonly found features of trisomy 17p, the patient also presented with BCLP with a prominent premaxillary portion. Premaxillary setback surgery was first performed concomitantly with cheiloplasty. The ostectomy was performed posterior to the vomero-premaxillary suture (VPS). The premaxilla was firmly adhered to the lateral segment and the viability of philtral flap was not compromised. Two-flap palatoplasty with modified intravelar veloplasty (IVV) was performed 4 months after.Successful positioning of the premaxilla segment, satisfactory lip aesthetics, and vital palatal flap was obtained from premaxillary setback, primary cheiloplasty, and subsequent palatoplasty in our trisomy 17p patient presenting with BLCP. Postoperative premaxillary stability and patency of the philtral and palatal flap were achieved. Longer follow-up is needed to evaluate the long-term effects of our surgical techniques on inhibition of midfacial growth. However, the benefits that the patient received from the surgery in improving feeding capacity and facial appearance early in life outweigh the cost of possible maxillary retrusion.

Translation, Validation, and Cultural Adaptation of CLEFT-Q© for use in Indonesia.

OBJECTIVE: To translate and validate CLEFT-Q©, patient-reported outcome measure for patients with cleft lip and/or palate (CL and/or P), into Indonesian. CLEFT-Q© covers the domains of appearance, facial function, health-related quality of life and consists of scales describing outcomes after cleft surgery. DESIGN: The CLEFT-Q© instrument was translated according to the International Society of Pharmacoeconomics and Outcomes Research guidelines, including translation, cognitive debriefing, and field-testing. SETTING: Dr. Cipto Mangunkusumo Hospital, Indonesia; independent CL and/or P support groups. PATIENTS: Patients ages 8-29 with a history of repaired CL and/or P were grouped based on age. Those unable to complete the questionnaire independently were excluded. INTERVENTIONS: The primary objective was reliable translation of the CLEFT-Q® instrument. Each scale was assessed for its internal consistency (Cronbach's alpha) and validity (inter-item correlation), and sub-group analyses were performed based on age group. RESULTS: Forward and back translation revealed 25(13.3%) and 12(6.3%) of items were difficult to translate. Cognitive debriefing revealed 10(5.3%) items were difficult to understand, with the lowest reliability on the facial appearance scale (α=0.27). Other scales demonstrated acceptable to excellent reliability (α=0.53-0.68). Field testing revealed acceptable reliability and validity of the translation (α = 0.74-0.92; 69% ideal range of inter-item correlation). Sub-group analyses revealed patients in the <11y.o. and >18y.o. groups had the lowest scores on the "cleft lip scar" scale while those 11-18y.o. had the lowest scores on the "nostrils" scale. CONCLUSION: Iterative translation and cultural adaptation of CLEFT-Q© into Indonesian demonstrated reliability and validity of the tool, supported by acceptable to excellent internal consistency and ideal inter-item correlation.

Evaluating Psychosocial Problems in School-Age Children with Cleft Lip and Palate in Bandung, Indonesia Using CBCL/6-18.

BACKGROUND: Cleft lip with or without palate (CL ± P) may impact children's eating, drinking, speaking, breathing, and hearing. We aim to evaluate psychosocial problems in Indonesian cleft center school-age patients identified after one or more surgical interventions. METHODS: This is a cross-sectional study of parent report of patients with unilateral CL ± P who had cleft surgery from 2011 to 2016 in the Bandung Cleft Center using the Bahasa Indonesia version of CBCL/6-18 questionnaire. Descriptive statistics were completed based on measure norms and score ranges. RESULTS: There were 104 participants (56.7% male) with a median age of 8 years old and 73.0% had unilateral cleft of lip, gum, and palate. We found that speech and appearance problems were not perceived by parents for 34.6% of participants after undergoing surgery. The majority of parents reported normal range scores for the Social scale (93.3%) and the School scale (92.3%). In contrast, largely due to the restrictions in the covid-19 pandemic, 78.8% of the patients had below normal range scores for the Activities scale. Borderline or Clinical range scores were reported for 6.7% of children on the Problem Items section and 15.4% of parents endorsed one or more Critical Items about their children, which indicate significant behavioral concerns. CONCLUSION: In this study, we found 6.7% of the school-age children population with CL/P had psychosocial problems. The result of this study hopefully can shed some light in the long-term psychosocial conditions of the CL/P children post-operatively.

The Effect of Perichondrium and Graft Modification on the Viability of Conchal Cartilage Graft: An Experimental Study in Rabbit.

OBJECTIVE: Cartilage grafts are widely used in reconstructing nasal deformity for structural and aesthetic purposes. Despite being immunologically privileged, cartilage grafts are susceptible to volume loss with high risk of resorption over time. Therefore, experts opt for cartilage handling modification to resolve this issue through graft dicing, wrapping, or perichondrium preservation. This study will evaluate the effect cartilage graft preparations on graft viability. DESIGN: Single-randomized post-test-only study design. SETTING: Animal Hospital at Bogor Agricultural Institute. PARTICIPANTS: Six New Zealand, male, Hycole rabbits. INTERVENTION: Conchal cartilage grafts were retrieved from 6 experimental rabbits and distributed into 3 treatment groups: diced cartilage graft (DC; control), one-sided perichondrium-attached scored cartilage (OPSC), and tube-shaped perichondrium-wrapped diced cartilage (TPDC). MAIN OUTCOME MEASURES: Macroscopic (weight and contour) and microscopic (chondroblast proliferation, graft thickness, apoptotic cells) evaluation through histological measures were recorded on week 12. Statistical analysis was done to compare between groups. RESULTS: Diced cartilage and OPSC groups showed significant weight changes on week 12 (P < .05) with OPSC presenting with the biggest difference. Diced cartilage and OPSC group showed moderate cell proliferation on week 12 while TPDC displayed most abundant apoptotic cells (5.8%; P < .05). Diced cartilage group had the highest cartilage thickness ratio (P < .05). DISCUSSION: Bare DC technique promoted graft thickness while perichondrium-attached scored cartilage showed the most abundant chondroblast proliferation and the least apoptotic cells. Perichondrium contributes to enhanced new cartilage formation. CONCLUSION: Diced cartilage graft is suitable for masking irregularity and volume augmentation, while perichondrium-attached cartilage graft is better for structural support in nasal reconstruction.

Bone Growth Capacity of Human Umbilical Cord Mesenchymal Stem Cells and BMP-2 Seeded Into Hydroxyapatite/Chitosan/Gelatin Scaffold in Alveolar Cleft Defects: An Experimental Study in Goat.

OBJECTIVE: To evaluate bone regeneration in alveolar defects treated with human umbilical cord-derived mesenchymal stem cells (hUCMSCs), hydroxyapatite/chitosan/gelatin (HA/CS/Gel) scaffold, and bone morphogenic protein-2 (BMP-2) in Capra hircus models. DESIGN: Randomized posttest-only control group design. SETTING: Animal Hospital at Bogor Agricultural Institute. PARTICIPANTS: Healthy and equally treated 24 female Capra hircus/goats. INTERVENTION: Animals were randomly assigned to 3 experimental group design (iliac crest alveolar bone graft/ICABG [control], HA/Cs/Gel+BMP-2 [Novosys], and HA/Cs/Gel+BMP-2+UCMSCs). Graft materials were implanted in surgically made alveolar defects. MAIN OUTCOME MEASURES: Postoperative functional score and operating time were assessed. New bone growth, bone density, inflammatory cells recruitment, and neoangiogenesis were evaluated based on radiological and histological approach at 2 time points, week 4 and 12. Statistical analysis was done between treatment groups. RESULTS: Operating time was 34% faster and functional score 94.5% more superior in HA/Cs/Gel+BMP-2+hUCMSC group. Bone growth capacity in HA/Cs/Gel+BMP-2+UCMSCs mimicked ICABG, but ICABG showed possibility of bone loss between week 4 and 12. The HA/Cs/Gel+BMP-2+UCMSCs showed early bone repopulation and unseen inflammatory cells and angiogenesis on week 12. DISCUSSION AND CONCLUSION: The HA/Cs/Gel+BMP-2+hUCMSCs were superior in enhancing new bone growth without donor site morbidity compared to ICABG. The presence of hUCMSCs in tissue-engineered alveolar bone graft (ABG), supported with paracrine activity of the resident stem cells, initiated earlier new bone repopulation, and completed faster bone regeneration. The HA/Cs/Gel scaffold seeded with UCMSCs+BMP-2 is a safe substitute of ICABG to close alveolar bone defects suitable for patients with cleft lip, alveolus, and palate.

Autologous fat grafting auxiliary methods in craniofacial deformities: A systematic review and network meta-analysis.

BACKGROUND: To increase autologous fat grafting (AFG) volume retention, current advancements focus on adding an auxiliary method to the process. This review aimed to address which auxiliary methods prove to be the best in terms of volume retention outcome. METHODS: A comprehensive literature search was performed in five medical databases, including PubMed, Proquest, Scopus, CENTRAL, and ScienceDirect, until March 2024, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. RESULTS: Twenty-six studies were included in this review, and seven studies were included in the network meta-analysis. Reported auxiliary methods include stromal vascular fractions (SVFs) [12.20, 95% confidence intervals (CI) 0.04 to 24.35], adipose tissue-derived stem cells (ADSCs) (24.20, 95% CI 4.14 to 44.26), and platelet-rich plasma (PRP) [24.10, 95% CI -2.68 to 50.88]. When compared with the standard AFG approach, SVFs (p = 0.049) and ADSCs (p = 0.018) were more successful in retaining volume. However, PRP (p = 0.077) was not as effective. The comparison between auxiliary approaches, ADSCs vs PRP (p = 0.994), ADSCs vs SVFs (p = 0.271), and PRP vs SVF (p = 0.383), did not show any significant differences. Subgroup analysis revealed that the use of volumetric measuring methods has a substantial impact on the reported volume retention (p < 0.0001). CONCLUSION: Enhanced volume retention can be attained with the utilization of SVF and ADSCs auxiliary methods in comparison to AFG, with or without PRP. Given the insignificant differences between SVF and ADSC, along with the greater complexity of the ADSC process, we recommend for the preferable use of SVF.

Practical considerations for perforator flap thinning procedures revisited.

BACKGROUND: A thin perforator flap is one of the best methods for covering defects. This study aimed to revisit and further test the rapidly advancing field of flap thinning techniques. METHODS: We performed two cadaveric studies to test the known flap thinning methods, and then applied these methods to a clinical series. In the first study, five cadavers were used to observe the anatomical relation of the perforator with the subdermal plexuses and the subcutaneous fat layer by injecting a colored latex solution. The second study was done on four cadavers independently from the first study. Last, a clinical series was performed on 15 patients. RESULTS: The areolar fat lobules of 10 anterolateral thigh perforator (ALT), seven deep inferior epigastric artery perforator (DIEAP), and six thoracodorsal artery perforator (TAP) flaps were dissected to reduce the flap thickness guided by the colored vascular pattern. On average, the ALT, DIEAP, and TAP flaps were reduced to 32.76%±9.76%, 37.01%±9.21%, and 35.42%±9.41%, respectively. In the second study, the areolar fat lobules were directly dissected in six ALT, six TAP, and four MSAP flaps, and an average reduction in flap thickness of 53.41%±5.64%, 52.30%±2.88%, and 47.87%±6.41%, respectively, was found. In the clinical series, 13 out of the 15 cases yielded satisfactory outcomes with an average thickness reduction of 37.91%±7.15%. CONCLUSIONS: These multiple studies showed that the deep fat layer could be safely removed to obtain a thin yet viable perforator flap. This evidence suggests that the macroscopic flap thinning technique can achieve thin flaps. Surgeons should consider this technique before embracing the latest technique of supermicrosurgery.

Negative pressure manoeuvre in microtia reconstruction with autologous rib cartilage.

In microtia reconstruction, maintaining a healthy contact between the skin and the fabricated cartilage framework is essential to attaining a smooth and accentuated contour of the reconstructed auricle. Conventional means to achieve this include bolster sutures and continuous suction drains, both of which have associated shortcomings. A new dressing method was developed and applied in 10 consecutive patients who underwent the first of a two-stage microtia reconstruction using the Nagata technique. A small catheter was introduced into the space between the skin and the cartilage framework. Negative pressure was applied through the catheter, drawing the skin onto the cartilage framework. This evens out the skin, accentuates the contour of the framework and concurrently eliminates potential dead space. Skin contact on the framework is maintained whilst the catheter is removed and an occlusive transparent dressing is applied to the ear. Of the 10 cases in which this manoeuvre was performed, one had to be converted to the bolster suture technique due to a persistent air leak from the wound. Overall results of the nine cases in which this technique was carried out successfully demonstrate smooth skin contour and excellent definition of the fabricated framework. This negative pressure manoeuvre provides a simple, safe and consistent approach to achieving a smooth and accentuated contour in auricular reconstruction.