Light- and electron-microscopic observations on the closure of the secondary palate with the primary palate and the nasal septum

1979 ◽  
Vol 103 (4) ◽  
pp. 384-394 ◽  
Author(s):  
Anand P. Chaudhry ◽  
Ravindra M. Shah
Development ◽  
1979 ◽  
Vol 50 (1) ◽  
pp. 145-154
Author(s):  
Alvaro A. Figueroa ◽  
Robert M. Pratt

The facial processes involved in primary palate formation undergo epithelial fusion in a manner morphologically analogous to that observed during secondary palate formation. We have used whole embryo culture to analyze the synthesis of macromolecules (DNA, protein, glycoprotein) in the primary palate, based on the incorporation of various labeled precursors. The results of this study demonstrate that changes in the synthesis of macromolecules occur during the fusion of the facial processes, which resemble those previously reported to occur during secondary palate development. These changes include cessation of DNA synthesis in cells in a restricted zone of the epithelium, concomitant with maintenance of glycoprotein synthesis. These findings indicate that the molecular events underlying the development of the primary and secondary palate may be similar.


1996 ◽  
Vol 33 (6) ◽  
pp. 477-482 ◽  
Author(s):  
Pauli V.J. Kilpeläinen ◽  
Maija T. Laine-Alava ◽  
Seppo Lammi

In this study, the variation in palatal dimensions, particularly for height, width, and depth, were evaluated in subjects with different types of cleft palate using the moiré technique. The sample consisted of 95 subjects with cleft palate and 68 noncleft individuals. Effects of cleft type, gender, developmental stage of the dentition, missing teeth, and 11 skeletal and pharyngeal cephalometric variables on palatal dimensions were assessed using multiple-regression analyses. The typing of clefts had an effect on the all palatal dimensions. The palate was shallower in subjects with clefts involving the secondary palate than in other types of clefts or in none left individuals. The palatal width was decreased in subjects with cleft in the primary palate, and the palatal depth was affected by all cleft types except submucous cleft. Gender, developmental stage of the dentition, missing teeth, and some of the cephalometric variables also had a certain effect on the palatal dimensions.


1971 ◽  
Vol 60 (3) ◽  
pp. 244-256 ◽  
Author(s):  
Lawrence Furstman ◽  
Sol Bernick ◽  
Phillip Zanglein Mahan

2003 ◽  
Vol 40 (6) ◽  
pp. 642-644 ◽  
Author(s):  
Martín Romero ◽  
Ralph Latham ◽  
Ana Romance ◽  
Rafael Salvan

Objective Cases of bilateral complete clefts of the primary palate and unaffected secondary palate are very rare. One of these cases as well as a new method of presurgical orthopedics to solve the protruding premaxilla protrusion is presented.


1973 ◽  
Vol 52 (6) ◽  
pp. 1273-1280 ◽  
Author(s):  
Virginia M. Diewert

The course of the palatine arteries was studied in 96 rat fetuses. The descending palatine arteries were a major blood supply to the incisive area of the primary palate. When shelves were elevated, the arteries became positioned more medially and changed from a semicircular to a V-shaped form in the pre-maxilla.


2002 ◽  
Vol 39 (3) ◽  
pp. 353-356 ◽  
Author(s):  
Yu-Fang Liao ◽  
Chiung-Shing Huang ◽  
M. Samuel Noordhoff

Objective: To identify and compare the craniofacial morphology of patients with bilateral complete cleft of primary palate (BCCPP) and bilateral complete cleft of secondary palate (BCCSP). In addition, to evaluate the differential effects of lip repair and palatal repair on the craniofacial morphology in cleft patients. Subjects: Twenty-four children, 10 boys and 14 girls, mean age of 5.8 years, with BCCPP (BCCPP group). Twenty-five children, 10 boys and 15 girls, mean age of 5.6 years, with BCCSP (BCCSP group). Design: Retrospective analysis. Main Outcome Measures: Cephalometric analysis was used to determine the craniofacial morphology at about 5 years of age. Results: Compared with the BCCSP group, the BCCPP group demonstrated longer maxillary length, more protruded maxilla, more favorable jaw relation, more severely retroclined maxillary incisors, and larger overjet. Conclusions: The subjects with BCCPP had craniofacial characteristics that differed significantly from those with BCCSP. It could also be speculated that palatal repair had more adverse effect on the growth of the maxilla in length; however, that repair influenced less the anteroposterior position of maxillary incisors than lip repair did.


2020 ◽  
Vol 11 ◽  
Author(s):  
Sayuri Yamamoto ◽  
Hiroshi Kurosaka ◽  
Jiro Miura ◽  
Gozo Aoyama ◽  
Safiye Esra Sarper ◽  
...  

2004 ◽  
Vol 41 (3) ◽  
pp. 230-237 ◽  
Author(s):  
C. Hill ◽  
C. Hayden ◽  
M. Riaz ◽  
A. G. Leonard

Objective A small percentage of patients have inadequate velopharyngeal closure, or secondary velopharyngeal incompetence, following primary palatoplasty. Use of the buccinator musculomucosal flap has been described for primary palate repair with lengthening, but its use in secondary palate lengthening for the correction of insufficient velopharyngeal closure has not been described. This study presents the results of a series of patients who had correction of secondary velopharyngeal incompetence using bilateral buccinator musculomucosal flaps used as a sandwich. Patients In this prospective study between 1995 and 1998, a group of 16 patients with insufficient velopharyngeal closure as determined by speech assessment and videoradiography were selected. Nasopharyngoscopy was carried out in addition in a number of cases. Case selection was a result of these investigations and clinical examination in which the major factor in velopharyngeal insufficiency was determined to be short palatal length. Design The patients underwent palate lengthening using bilateral buccinator musculomucosal flaps as a sandwich. All patients were assessed 6 months postoperatively. The operative technique, postoperative course, and recorded postoperative complications including partial/total flap necrosis and residual velopharyngeal insufficiency were evaluated. Preoperative and postoperative speech samples were rated by an independent speech therapist. Results Ninety-three percent (15 of 16) had a significant improvement in velopharyngeal insufficiency, and 14 patients had no hypernasality postoperatively. Both cases of persistent mild hypernasality had had a recognized postoperative complication. Conclusion The sandwich pushback technique for the correction of persistent velopharyngeal incompetence was successful in achieving good speech results.


2007 ◽  
Vol 44 (5) ◽  
pp. 465-468 ◽  
Author(s):  
Qiang Liu ◽  
Ming-Liang Yang ◽  
Zeng-Jian Li ◽  
Xiao-Feng Bai ◽  
Xu-Kai Wang ◽  
...  

Objective: Numerous methods have been developed for recording cleft lip and palate deformities, but none has been universally accepted due to limitations, inadequate description of the cleft deformities, and varying complexity. Design: The classification system introduced in this article is designed to describe detailed information of the cleft deformities with five-digit codes. The anatomic description of the cleft components is denoted with five Arabic numerals in order of right lip, right alveolus and primary palate, secondary palate, left alveolus and primary palate, and left lip. The extent of the cleft deformities is recorded using the numerals 0 to 4 (i.e., from intact to complete). Setting: Department of Oral-Maxillofacial Surgery, The Affiliated Hospital of Stomatology, China Medical University. Results: This new classification system allows a numerical description of any kind of complete cleft, incomplete cleft, asymmetry, and complex clefts with an intervening intact segment (all simulated cases). Conclusions: The simplicity and precision of this five-digit classification system make it easy to understand, and it can be used for computerized data analysis.


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