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Phil K T Chen - One of the best experts on this subject based on the ideXlab platform.

  • Septal anchoring suture: a key suture to improve the nasolabial symmetry in unilateral Cheiloplasty.
    International journal of oral and maxillofacial surgery, 2018
    Co-Authors: S. Filson, C.-f. Yao, Phil K T Chen
    Abstract:

    Since 2008, a septal anchoring suture has been used in unilateral cleft lip repair at Chang Gung Memorial Hospital in order to stabilize the lateral lip centrally. This study compared the symmetry of two groups of patients: those treated with and without an anchoring suture. Multiple standardized direct and photographic facial measurements were performed on the faces of all patients pre-Cheiloplasty and at 5 years post-Cheiloplasty. The degree of nasolabial symmetry was evaluated by comparing the ratios of measurements of the cleft vs. non-cleft sides. The ratio of change in these measurements was also compared postoperatively. The vertical lip length ratio approached 1 in the septal anchoring suture group, which differed significantly from the group without the suture (0.968 vs. 0.873, P

  • Effect of Presurgical Nasoalveolar Molding on Nasal Symmetry in Unilateral Complete Cleft Lip/Palate Patients after Primary Cheiloplasty without Concomitant Nasal Cartilage Dissection: Early Childhood Evaluation.
    The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association, 2018
    Co-Authors: Zhigang Liang, Phil K T Chen, Jinfeng Yao, Cangshang Zheng, Jiying Yang
    Abstract:

    Objective:  The objective of this study was to assess the efficacy of presurgical nasoalveolar molding (PNAM) on long-term nasal symmetry and shaping after primary Cheiloplasty in patients with unilateral complete cleft lip/palate (UCL/P). Design:  This was a two-group, parallel, prospective, randomized clinical trial. Setting:  The setting for this study was the Chang Gung Craniofacial Center in Taoyuan, Taiwan. Patients:  Patients were divided into one of the following two groups: infants with UCL/P who underwent PNAM (PNAM group, n = 42) and infants with UCL/P who did not undergo PNAM (non-PNAM group, n = 42). Interventions:  Interventions included PNAM and primary Cheiloplasty without nasal cartilage dissection. Main Outcome Measures:  In this study, 4- to 5-year postoperative full-face and submental oblique photographs were taken of all patients and scored from 1 to 5 points by 10 medical evaluators. The scores were statistically analyzed using repeated-measures analysis of variance, and P < .05 was ...

  • effect of presurgical nasoalveolar molding on nasal symmetry in unilateral complete cleft lip palate patients after primary Cheiloplasty without concomitant nasal cartilage dissection early childhood evaluation
    The Cleft Palate-Craniofacial Journal, 2018
    Co-Authors: Zhigang Liang, Phil K T Chen, Jinfeng Yao, Cangshang Zheng, Jiying Yang
    Abstract:

    Objective:  The objective of this study was to assess the efficacy of presurgical nasoalveolar molding (PNAM) on long-term nasal symmetry and shaping after primary Cheiloplasty in patients with unilateral complete cleft lip/palate (UCL/P). Design:  This was a two-group, parallel, prospective, randomized clinical trial. Setting:  The setting for this study was the Chang Gung Craniofacial Center in Taoyuan, Taiwan. Patients:  Patients were divided into one of the following two groups: infants with UCL/P who underwent PNAM (PNAM group, n = 42) and infants with UCL/P who did not undergo PNAM (non-PNAM group, n = 42). Interventions:  Interventions included PNAM and primary Cheiloplasty without nasal cartilage dissection. Main Outcome Measures:  In this study, 4- to 5-year postoperative full-face and submental oblique photographs were taken of all patients and scored from 1 to 5 points by 10 medical evaluators. The scores were statistically analyzed using repeated-measures analysis of variance, and P < .05 was ...

  • septal anchoring suture a key suture to improve the nasolabial symmetry in unilateral Cheiloplasty
    International Journal of Oral and Maxillofacial Surgery, 2018
    Co-Authors: S. Filson, C.-f. Yao, Phil K T Chen
    Abstract:

    Since 2008, a septal anchoring suture has been used in unilateral cleft lip repair at Chang Gung Memorial Hospital in order to stabilize the lateral lip centrally. This study compared the symmetry of two groups of patients: those treated with and without an anchoring suture. Multiple standardized direct and photographic facial measurements were performed on the faces of all patients pre-Cheiloplasty and at 5 years post-Cheiloplasty. The degree of nasolabial symmetry was evaluated by comparing the ratios of measurements of the cleft vs. non-cleft sides. The ratio of change in these measurements was also compared postoperatively. The vertical lip length ratio approached 1 in the septal anchoring suture group, which differed significantly from the group without the suture (0.968 vs. 0.873, P<0.001). As expected, the horizontal lip length and central lip height ratios showed no statistically significant change. The ratio of change from pre- to postoperative also showed a significant improvement (P=0.028) in the vertical lip length of the group with the septal anchoring suture compared to the one without. The septal anchoring suture is a useful method to correct the tendency of the lip to shift to the cleft side.

  • The effect of gingivoperiosteoplasty on facial growth in patients with complete unilateral cleft lip and palate.
    The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association, 2010
    Co-Authors: Cindy Hsin-yi Hsieh, Phil K T Chen, Chiung-shing Huang
    Abstract:

    Abstract Objective: Gingivoperiosteoplasty performed at the time of lip repair of cleft patients is one kind of alveolar repair. The purpose of this retrospective study was to evaluate the effect of gingivoperiosteoplasty on facial growth of patients with complete unilateral cleft lip and palate (UCLP). Design: Retrospective study. Patients: Sixty-two consecutive patients with nonsyndromic complete unilateral cleft lip/palate with 5-year-olds' record were included in this retrospective study. Interventions: All the patients had received nasoalveolar molding treatment before Cheiloplasty at the age of 3 to 6 months. Twenty-six patients had gingivoperiosteoplasty performed at the time of Cheiloplasty and function as the GPP group. Thirty-six patients did not have gingivoperiosteoplasty at the time of Cheiloplasty and function as the non-GPP group. Main Outcome Measures: Cephalometry was used to evaluate the facial growth at 5 years of age in the two groups of patients. Results: Gingivoperiosteoplasty had si...

Hong-ju Park - One of the best experts on this subject based on the ideXlab platform.

Sung-hyuk Koh - One of the best experts on this subject based on the ideXlab platform.

Mohd Fadhli Khamis - One of the best experts on this subject based on the ideXlab platform.

  • Effects of Multiple Factors on Treatment Outcome in the Three-Dimensional Maxillary Arch Morphometry of Children With Unilateral Cleft Lip and Palate.
    The Journal of craniofacial surgery, 2020
    Co-Authors: Sanjida Haque, Mohammad Khursheed Alam, Mohd Fadhli Khamis, Wan Muhamad Amir W Ahmad
    Abstract:

    Studies have claimed that the maxillary arch dimension of unilateral cleft lip and palate (UCLP) patient is significantly smaller than normal patient. Multiple factors (both congenital and post natal treatment factors) are believed to have an impact on the treatment outcome (maxillary arch retardation) of UCLP patient. The aim of this study was to evaluate the effects of multiple factors on the treatment outcome by assessing the maxillary arch dimension of UCLP Children. Eighty-five Malaysian UCLP children were taken who received Cheiloplasty and palatoplasty. Laser scanned 3D digital models of UCLP subjects were prepared before any orthodontic treatment and bone grafting at 7.69 ± 2.46 (mean± SD) years of age. Intercanine width (ICW), intermolar width (IMW), and arch depth (AD) measurements of maxillary arch were measured with Mimics software. Multiple linear regression analyses were used to evaluate the association between multiple factors (gender, UCLP type, UCLP side, family history of cleft, family history of class III malocclusion, techniques of Cheiloplasty, and techniques of palatoplasty) and maxillary arch dimensions (ICW, IMW, and AD). P value was set at 5%. Significant association was found between 2 techniques of Cheiloplasty and ICW (P = 0.001) and also between 2 techniques of palatoplasty and ICW (P = 0.046) of maxilla. No significant association observed in IMW and AD in relation to all other factors. Modified Millard techniques of Cheiloplasty and Bardach technique of palatoplasty had unfavorable effect on the treatment outcome by assessing the maxillary arch dimension (ICW) using laser scanned 3D digital models in Malaysian UCLP children.

  • The effect of various factors on the dental arch relationship in non-syndromic unilateral cleft lip and palate children assessed by new approach: a retrospective study
    BMC Pediatrics, 2017
    Co-Authors: Sanjida Haque, Mohammad Khursheed Alam, Mohd Fadhli Khamis
    Abstract:

    Background Cleft lip and palate (CLP) is one of the most common birth defects. Multiple factors are believed to be responsible for an unfavorable dental arch relationship in CLP. Facial growth (maxillary) retardation, which results in class III malocclusion, is the primary challenge that CLP patients face. Phenotype factors and postnatal treatment factors influence treatment outcomes in unilateral cleft lip and palate (UCLP) children, which has led to a great diversity in protocols and surgical techniques by various cleft groups worldwide. The aim of this study was to illustrate the dental arch relationship (DAR) and palatal morphology (PM) of UCLP in Bangladeshi children and to explore the various factors that are responsible for poor DAR and PM. Methods Dental models of 84 subjects were taken before orthodontic treatment and alveolar bone grafting. The mean age was 7.69 (SD 2.46) years. The DAR and PM were assessed blindly by five raters using the EUROCRAN index (EI). Kappa statistics was used to evaluate the intra- and inter-examiner agreement, chi square was used to assess the associations, and logistic regression analysis was used to explore the responsible factors that affect DAR and PM. Results The mean EUROCRAN scores were 2.44 and 1.93 for DAR and PM, respectively. Intra- and inter-examiner agreement was moderate to very good. Using crude and stepwise backward regression analyses, significant associations were found between the modified Millard technique ( P  = 0.047, P  = 0.034 respectively) of Cheiloplasty and unfavorable DAR. Complete UCLP ( P  = 0.017) was also significantly correlated with unfavorable DAR. The PM showed a significant association with the type of cleft, type of Cheiloplasty and type of palatoplasty. Conclusion This multivariate study determined that the complete type of UCLP and the modified Millard technique of Cheiloplasty had significantly unfavorable effects on both the DAR and PM.

  • Factors Responsible for Unfavorable Dental Arch Relationship in non Syndromic Unilateral Cleft Lip and Palate Children.
    The Journal of clinical pediatric dentistry, 2017
    Co-Authors: Sanjida Haque, Mohammad Khursheed Alam, Mohd Fadhli Khamis
    Abstract:

    Objectives: Multiple factors are whispered to be crucial cause of unfavourable dental arch relationship in cleft lip and palate (CLP).This study aims to evaluate the dental arch relationship of Bangladeshi children with non syndromic unilateral cleft lip and palate (UCLP) following Cheiloplasty and palatoplasty. Also to explore the various congenital (UCLP type, UCLP side, family history of cleft, family history of class III) and environmental (Cheiloplasty, palatoplasty) factors that affects dental arch relationship of UCLP patients. Study design: This was a retrospective study where 84 dental models were taken before orthodontic treatment and alveolar bone grafting. The mean age was 7.69± 2.46 (mean± SD). The dental arch relationship was assessed by GOSLON (Great Ormond Street, London and Oslo) Yardstick. According to GOSLON Yardstick, five categories are rated; named- 1: excellent; 2: good; 3: fair; 4: poor; 5: very poor. Also the groups have been dichotomized into favorable (category ratings 1–3) and ...

Yeon-woo Jeong - One of the best experts on this subject based on the ideXlab platform.