Int J Stomatol

Int J Stomatol ›› 2023, Vol. 50 ›› Issue (1): 66-71.doi: 10.7518/gjkq.2023022

• Original Articles • Previous Articles     Next Articles

A preliminary study of the effect of posterior pharyngeal flap surgery on the maxillofacial growth of patients after palatoplasty

Zhang Yuning(),Zeng Ni,Zhang Bei,Shi Bing,Zheng Qian.()   

  1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2022-01-02 Revised:2022-04-26 Online:2023-01-01 Published:2023-01-09
  • Contact: Qian. Zheng E-mail:2928536431@qq.com;zq652@163.com

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Abstract:

Objective The study aimed to analyze the effect of posterior pharyngeal flap surgery on the maxillofacial growth of patients after palatoplasty by measuring the maxillofacial soft and hard tissue morphology. Methods 56 cases were included in this study. Group A included 21 cases who had undergone posterior pharyngeal flap surgery after palatoplasty. Group B (Control Group 1) included 15 cases who had had Furlow palatoplasty surgery after palatoplasty. Group C(Control Group 2) included 20 patients who had not received secondary operation after palatoplasty. At least one year postoperative lateral cephalometric radiographs were obtained from all patients. Three aspects of hard tissue (skull base, maxilla, facial height) and 10 facial contour parameters of soft tissue were evaluated. SPSS 21.0 was used to analyze data. Results For the patients aged 4-7 years, there was no significant difference in the growth of soft and hard tissues among three groups in both horizontal and vertical directions. Conclusion Posterior pharyngeal flap surgery had no significant effect on maxillofacial growth and development in patients after palatoplasty.

Key words: cleft palate, velopharyngeal insufficiency, posterior pharyngeal flap, Furlow palatoplasty, maxillofacial growth and development

CLC Number: 

  • R 782.12

TrendMD: 

Fig 1

Schematic diagram of measuring marker points"

Tab 1

General condition of 56 patients with velophar-yngeal insufficiency after cleft palate surgery"

项目A组B组C组P值
性别

男

女

1411110.275
749
一期腭裂手术年龄/岁0.972±0.2571.545±1.0311.288±0.9630.153
二期手术年龄/岁5.143±0.8545.467±0.743-0.235
复诊年龄/岁8.429±2.0398.267±1.1638.900±1.3340.467
腭裂类型

单纯腭裂

单侧完全性唇腭裂

双侧完全性唇腭裂

5110.550
111018
541

Tab 2

Hard tissue measurements in 56 patients with velopharyngeal insufficiency after cleft palate surgery"

测量指标A组B组C组P值
SN/mm60.906±4.02662.207±6.46460.817±3.3030.731
S-Ba/SN0.678±0.0570.711±0.0530.684±0.0530.195
N-Ba/SN1.538±0.0501.572±0.0851.545±0.0540.260
N-S-Ba/°132.838±6.305132.663±4.849132.808±6.2260.996
PMP-A/SN0.618±0.0760.627±0.0770.597±0.0490.403
PMP-ANS/SN0.704±0.0630.722±0.0750.684±0.0460.206
Ba-A/SN1.235±0.0761.278±0.0861.240±0.0710.231
Ba-ANS/SN1.321±0.0651.372±0.0911.328±0.0650.101
Ba-PMP/SN0.618±0.0570.650±0.0810.643±0.0450.121
Ba-N-ANS/°60.596±4.92261.631±4.29360.687±3.8410.756
S-N-ANS/°79.491±5.19981.197±4.85179.626±4.3260.530
S-N-A/°74.895±5.16276.016±5.11574.236±3.4300.529
R-PMP/SN0.654±0.0870.631±0.0870.657±0.0690.603
A-NPg/SN0.010±0.0690.031±0.0710.054±0.0450.080
N-Me/SN1.688±0.1191.691±0.1401.639±0.1080.338
ANS-N/SN0.788±0.0660.767±0.0940.749±0.0470.200
ANS-Me/SN0.900±0.0790.924±0.0590.890±0.0880.456

Tab 3

Soft tissue measurements in 56 patients with velo-pharyngeal insufficiency after cleft palate surgery"

测量指标A组B组C组P值
FH-N’Pg’/°82.513±4.39481.993±6.23984.243±4.8140.380
Sn-Pn/SN0.202±0.0450.203±0.0450.207±0.0370.916
Ss-Ls/SN0.048±0.0330.044±0.0390.059±0.0240.357
H-N’Pg’/°11.511±8.3329.182±5.9839.449±5.7850.522
Sn-H/SN0.102±0.0560.102±0.0480.112±0.0360.761
A-Sn/SN0.162±0.0560.165±0.0410.177±0.0320.453
Ls-Si/SN0.222±0.0390.219±0.0530.220±0.0360.975
Li-LsPg’/SN0.055±0.0440.071±0.0300.084±0.0420.088
Si-LsPg’/SN0.032±0.0230.041±0.0240.032±0.0200.445
Pg-Pg’/SN0.169±0.0340.168±0.0460.174±0.0360.852
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