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Original Research

Open Access

Influence of presurgical nasoalveolar molding (PNAM) treatment in maxillary dental arch width and nasolabial symmetry in patients with unilateral complete cleft lip and palate

  • Le Chang1,2,†
  • Qianqian Huang1,2,†
  • Zhanping Ren1,3,†
  • Yanhao Wang1,2
  • Yuhua Jiao1,2
  • Yongwei Tao1,3
  • Huaxiang Zhao1,2,*,
  • Yuxia Hou1,2,*,

1Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, 710004 Xi’an, Shaanxi, China

2Department of Orthodontics, College of Stomatology, Xi’an Jiaotong University, 710004 Xi’an, Shaanxi, China

3Department of Cleft Lip and Palate Surgery, College of Stomatology, Xi’an Jiaotong University, 710004 Xi’an, Shaanxi, China

DOI: 10.22514/jocpd.2023.090 Vol.47,Issue 6,November 2023 pp.155-162

Submitted: 07 March 2023 Accepted: 19 May 2023

Published: 03 November 2023

*Corresponding Author(s): Huaxiang Zhao E-mail: huaxiangzhao@xjtu.edu.cn
*Corresponding Author(s): Yuxia Hou E-mail: houyuxia@mail.xjtu.edu.cn

† These authors contributed equally.

Abstract

Unilateral complete cleft lip and palate (UCCLP) is one of the most severe clinical subphenotypes among nonsyndromic cleft lip and/or palate (NSCL/P), that complicates surgical repair operations. Presurgical nasoalveolar molding (PNAM) is a technique used to reshape the nose, lip and alveolar bone of infants with UCCLP before surgery (the modified Mohler rotation advancement cheiloplasty and two flap palatoplasty), with the potential to facilitate surgical repair. However, the effectiveness of PNAM treatment is still a matter of debate. In this paper, the 3Shape scanning system and 3dMD stereophotography were used to assess the short-term and long-term effects of PNAM treatment on the dental arch morphology and nasolabial features of patients with UCCLP, respectively. The findings indicated that PNAM treatment negatively affects both short-term and long-term dental arch shape compared to the treatment without PNAM, particularly in terms of limiting the transverse width of the maxillary canine-to-midline. Regarding the nasal and labial symmetry, PNAM improves the symmetry of the nasal alae in patients over 7 years old and the symmetry of the lip in patients under 7 years old. Moreover, UCCLP patients who received PNAM treatment exhibited a shorter and wider shape of the nostril on the cleft side compared to those without PNAM treatment. In clinical practice, the multidisciplinary team should carefully consider the advantages and disadvantages of the outcomes of PNAM treatment when treating infants with cleft lip and palate.


Keywords

Presurgical nasoalveolar molding; Cleft lip and palate; Unilateral complete cleft lip and palate; Dental arch morphology; Nasolabial features


Cite and Share

Le Chang,Qianqian Huang,Zhanping Ren,Yanhao Wang,Yuhua Jiao,Yongwei Tao,Huaxiang Zhao,Yuxia Hou. Influence of presurgical nasoalveolar molding (PNAM) treatment in maxillary dental arch width and nasolabial symmetry in patients with unilateral complete cleft lip and palate. Journal of Clinical Pediatric Dentistry. 2023. 47(6);155-162.

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