Problems of Accuracy and Reliability in Cephalometric Studies with Implants in Infants with Cleft Lip and Palate

1977 ◽  
Vol 4 (2) ◽  
pp. 93-100 ◽  
Author(s):  
W. C. Shaw
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Simulated Trial ◽  
Orthopaedic Treatment ◽  
Head Positioning ◽  
The Stability

A simulated trial was carried out to assess the accuracy of cephalometric radiography with the aid of implants in infants receiving cleft lip and palate orthopaedic treatment. The stability of the implants is also discussed. It was concluded that the technique is of limited value since the implants may be disturbed by the developing teeth and because slight inaccuracy in head positioning may lead to substantial errors of interpretation.

Early Orthopaedic Treatment of Unilateral Cleft Lip and Palate

1978 ◽  
Vol 5 (3) ◽  
pp. 119-132 ◽  
Author(s):  
W. C. Shaw
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Alveolar Cleft ◽  
Orthopaedic Treatment ◽  
Partial Data ◽  
Alveolar Tissue ◽  
Maxillary Arch

Serial frontal and lateral cephalometric radiographs with implants and study models of 31 infants' who received orthopaedic treatment for unilateral cleft lip and palate, were analysed with an electronic XY reader. Partial data for 50 normal infants and 10 isolated palatal cleft patients were included to allow certain comparisons. The records at birth indicate that the size of the alveolar cleft in unilateral cleft cases is governed mainly by the degree of transverse segmental separation which is present and only to a lesser extent by deficiency of alveolar tissue, except in a minority of cases. It is clear that in the early months of life, the divided maxillary arch can be made to assume near normal dimensions by inward rotation of the anterior ends of the segments, at the alveolar and basal level, around axes in the tuberosity regions. Appositional growth of the cleft margins makes little contribution to the reduction in cleft size. The significance of the findings is discussed.

The Effect of Presurgical Treatment on Palatal Tissue Area in Unilateral Cleft Lip and Palate Subjects

1977 ◽  
Vol 4 (4) ◽  
pp. 181-185 ◽  
Author(s):  
A. G. Huddart ◽  
J. J. Crabb
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
The Other ◽  
Normal Children ◽  
Orthopaedic Treatment ◽  
Tissue Area

The investigation measures the area of palatal tissue at birth and at four months in three groups of subjects: (1) 30 complete unilateral cleft lip and palate cases who received presurgical maxillary orthopaedic treatment; (2) 15 similar cases who did not receive such treatment and were used as controls; (3) 30 normal children with intact palates. The changes occurring in the three groups of cases over the four month period are compared. In particular it was noted that presurgical treatment retarded the growth of palatal tissue. The significance of this in relation to the other findings and presurgical treatment generally is discussed.

Lip Movement in Patients with a History of Unilateral Cleft Lip

2001 ◽  
Vol 38 (5) ◽  
pp. 468-475 ◽  
Author(s):  
Christel A. W. Rutjens ◽  
Paul H. M. Spauwen ◽  
Pascal H. H. M. van Lieshout
Keyword(s):  
Cleft Lip ◽  
Relative Phase ◽  
Cleft Lip And Palate ◽  
General Increase ◽  
Lower Lip ◽  
History Of ◽  
Lip Movement ◽  
Cleft Lip Repair ◽  
Palate Repair ◽  
The Stability

Objective: The influence of a repaired cleft lip on the stability of coordination between upper and lower lip in nonspeech and speech tasks was investigated. Design: First, we looked at the effects of a secondary cleft lip repair in three individuals. Second, we compared subjects with a history of repaired unilateral cleft lip and subjects with no history of cleft lip (controls). Lip coordination was measured using continuous estimates of relative phase. Participants: Subjects were nine children and adolescents with a primary unilateral cleft lip and palate repair and 4 participants without cleft matched for age across different age categories. Results: In general, the averaged relative phase angle (RPA) angle values were smaller than 180 degrees, indicating an upper lip lead for lip closure. Controls showed a tendency toward a more symmetric type of coordination (close to 180 degrees), compared with subjects with a repaired unilateral cleft lip. The controls also showed less variation in coordination between the lips. For the more complex speech tasks, a general increase in variability of the RPA values for all subjects was observed, most likely suggesting a more flexible type of coordination. Regarding the effect of a secondary cleft lip repair, only one of the three patients showed a clearly less symmetric and less stable type of coordination, compared with preoperation results. Conclusions: There appear to be differences in lip coordination between speakers without and speakers with a repaired unilateral cleft lip. Furthermore, it seems that the stability of lip coordination tends to increase with age.

scholarly journals Immediate and late follow-up effects of class III early correction in cleft lip and palate patients treated with maxillary protraction

2020 ◽  
Vol 49 ◽  
Author(s):  
Carolina Mazon MIRANDA ◽  
Rodrigo Matos de SOUZA ◽  
Giovana Cherubini VENEZIAN ◽  
Cristina FRANZINI ◽  
William CUSTODIO
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Class Iii ◽  
Maxillary Expansion ◽  
Maxillary Protraction ◽  
Chi Squared ◽  
Skeletal Pattern ◽  
Pre Treatment ◽  
The Stability

Abstract Introduction There is no consensus about the immediate and latte follow-up effects of maxillary protraction in cleft lip and palate patients. Objective To evaluate the stability of Class III early treatment in cleft lip and palate patients through maxillary expansion and protraction. Material and method The sample consists in three lateral cephalometric radiographs of 28 patients (mean pre-treatment age of 6.7±1.8 years) who presented cleft lip and palate and were treated with maxillary expansion and Petit facial mask. The angular (SNA, SNB, ANB, SN.GoGn, FMA, Z Angle) and linear (overjet, Co-A, Co-Gn, Nperp-A, Nperp-Pg, AO-BO) cephalometric measures were evaluated through the Dolphin® software, in three moments: T0 (initial), T1 (after treatment), and T2 (follow-up). Data were submitted to the analysis of variance (ANOVA) and Tukey-Kramer test. The correlation between cephalometric measures and patient’s age was determined by Pearson’s chi-squared test. Result The SNA, ANB, and AO-BO measures increased considerably (p<0.05), and they did not present any differences compared to the initial ones after the follow-up time. The overjet measure increased (p<0.05) after treatment and, even with its decrease at the follow-up time, it was still higher than at the beginning (p<0.05). The Z angle showed improvement with treatment and remained stable at the follow-up time. Conclusion After treatment (maxillary expansion associated with protraction), there was a skeletal pattern improvement. During the follow-up period, those alterations decreased to a measure close to the beginning. There was an improvement in the dental pattern and facial profile that continued in the follow-up period.

Relapse Tendency in Maxillary Arch Width in Unilateral Cleft Lip and Palate Patients with Different Maxillary Arch Forms

2008 ◽  
Vol 45 (3) ◽  
pp. 278-283 ◽  
Author(s):  
Talat Al-Gunaid ◽  
Toshikazu Asahito ◽  
Masaki Yamaki ◽  
Kooji Hanada ◽  
Ritsuo Takagi ◽  
...  
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Dental Arch ◽  
Arch Form ◽  
Group A ◽  
The Stability ◽  
Arch Forms ◽  
Group B ◽  
Severe Degree ◽  
Maxillary Arch

Objective: The aim of this study was to investigate the relapse tendency in the maxillary dental arch widths in unilateral cleft lip and palate patients with different types of maxillary arch form. Subjects: Thirty-two unilateral cleft lip and palate patients treated by one-stage surgical palatal closure were included. The subjects were divided into three groups according to the types of the maxillary arch forms: group A, symmetrical arch form; group B, collapse of minor segment; group C, collapse of both segments. Methods: Using dental casts obtained at three different times, relapse in the intercanine, interpremolar, and intermolar widths in each group was assessed and differences between groups were investigated. Results: Patients in group A showed stable results in all measurements. Patients in group B showed posttreatment relapse in the intercanine width only, whereas patients in group C demonstrated significant posttreatment relapses in the interpremolar and intermolar widths. Comparison between groups showed more significant relapse in the interpremolar and intermolar widths of group C than in those of group B. Conclusion: The types of the maxillary arch forms in unilateral cleft lip and palate patients might play a stronger role in the stability of the maxillary dental arch widths after orthodontic treatment in patients with collapse of both segments and a severe degree of maxillary narrowness.

Efficacy of Rapid Maxillary Expansion Associated With Maxillary Protraction in Patients With Unilateral Complete Cleft Lip and Palate

2020 ◽  
Vol 57 (7) ◽  
pp. 872-876
Author(s):  
Okada Terumi Ozawa ◽  
Costa Daniela Salzedas ◽  
de Lima Beatriz Oliveira ◽  
Renata Sathler ◽  
Gleisieli Baessa ◽  
...  
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Control Sample ◽  
Face Mask ◽  
Rapid Maxillary Expansion ◽  
Maxillary Expansion ◽  
Maxillary Protraction ◽  
The Stability ◽  
In The Beginning ◽  
Dental Casts

Objective: To evaluate the efficacy of rapid maxillary expansion (RME) and maxillary protraction (MP) in patients with unilateral complete cleft lip and palate (UCLP) using the Goslon yardstick index. Design: Retrospective study. Patients: Dental casts of 34 Goslon 3 (G3) and Goslon 4 (G4) patients treated with RME and MP were evaluated which composed the treated sample (S1). The dental cast were taken before the RME (T1) and immediately after the use of face mask for MP was suspended (T2). In order to verify the stability of the treatment, dental casts of 17 of these patients were evaluated 1 year after the treatment was finished (T3). For the control sample (S2), dental casts of 20 untreated G3 and G4 patients were evaluated. Results: At T2, 85.7% of study sample patients initially G3 and 70% of patients initially G4 obtained improvement in occlusal index. At T3, the majority of patients initially classified as G3 and G4 returned to the same classification as in the beginning of the treatment. The evaluation of the control sample showed that patients initially classified as G3, 55.6% continued at this initial index, and 44.4% had it worsened. Those initially G4, 100%, continued at this initial index. Conclusion: The immediate result of RME and MP was satisfactory, and despite the instability of these results, the outcome of this treatment option was better than the untreated sample.

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