Evaluation of Maxillary Dental Arch Form in Unilateral Clefts of Lip, Alveolus, and Palate from One Month to Four Years

1993 ◽  
Vol 30 (1) ◽  
pp. 90-93 ◽  
Author(s):  
M. Mazaheri ◽  
A.E. Athanasiou ◽  
R.E. Long ◽  
O.G. Kolokitha
Keyword(s):  
Soft Palate ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
The Other ◽  
Dental Arch ◽  
Early Age ◽  
Arch Form ◽  
The Relationship ◽  
Vomer Flap ◽  
Dental Arch Form

This study evaluated the early changes of maxillary alveolar arches of operated unilateral cleft lip and palate patients. Dental casts were available at four age increments. Triangular flap cheiloplasty was carried out at an early age. Two-stage palatoplasty by vomer flap and soft palate closure took place later. Prior to lip repair, the alveolar arches were classified according to the relationship between greater and lesser segments. Almost a quarter had overlap of the alveolar segments with no contact between the alveolar ridges at the cleft site; some had no overlap with contact of the alveolar segments in the cleft region; almost a quarter had both overlap of the alveolar segments and contact; and almost half had no overlap of the segments and the alveolar ridges were not in contact at the cleft site. After lip repair, the arch relationships were examined and the percentage of patients in each of the four groups indicated a moulding effect of lip repair on the alveolar segments. This moulding effect caused the alveolar segments in most patients to be in contact at the cleft site. Most of these also had segment overlap. All patients were re-examined shortly after palatal repair. The trend for segment overlap and contact continued after palate surgery. However, when all patients were seen at age 4, percentages of patients in each group indicated that previous overlap of segments improved to a more desirable nonoverlapped relationship in approximately half of the patients. The other half continued to demonstrate arch collapse, in excess of what would be considered ideal ridge relationship.

Comparison of Numeric Techniques in the Analysis of Cleft Palate Dental Arch Form Change

1997 ◽  
Vol 34 (4) ◽  
pp. 281-291 ◽  
Author(s):  
Mona E. McAlarney ◽  
Wei-Kwang Chiu
Keyword(s):  
Finite Element ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Distance Matrix ◽  
Matrix Analysis ◽  
Dental Arch ◽  
Scaling Analysis ◽  
Euclidean Distance Matrix ◽  
Arch Form ◽  
Form Change

Objective: Quantitative descriptions of form (size and shape) changes are significant to the understanding of the development, treatment planning, and prognosis of patients born with cleft lip and palate. This study compared the results of traditional dental arch form change measurements, such as width, depth, perimeter, and area, with four numeric methods: finite element scaling analysis, macroelement method, Euclidean distance matrix analysis, and conventional least-squares and resistant-fit theta rho Procrustes analyses. Design: Using tooth cusp landmarks on maxillary study casts, form change measurements of a male with complete bilateral cleft lip and palate at ages 2, 5, and 6 years were made comparing each age to the next older. Results and Conclusions: With the exception of the 2- to 5-year resistant-fit analysis, all numeric methods: 1) provide comparable results, 2) provide more detailed descriptions than do traditional methods, and 3) provide results that correlate well with the reported effects of increased lip pressure due to lip closure surgery. The use of finite-element scaling analysis on study casts is somewhat limited since: 1) there is more than one solution at teeth shared by many finite elements, 2) gross averaging of form change occurs within triangular elements, and 3) solutions can vary with the choice of element location. The use of the macroelement method circumvented the above finite element limitations with out compromising finite-element advantages. Procrustes results vary with the chosen superposition algorithm. The choice of the most appropriate Procrustes method required some a priori knowledge of form difference. The large number of results obtained by Euclidean distance matrix analysis and the nongraphic presentation of these results hamper quick interpretation but may be best suited for definitive statistical analysis. The graphic representation of both the magnitude and direction of: 1) landmark displacement in the Procrustes analyses (once size difference is eliminated), and 2) the rate of form change in the macroelement method provide an intuitive appreciation of how and where the casts differ.

Can Occlusal Evaluation of Children with Unilateral Cleft Lip and Palate Help Determine Future Maxillofacial Morphology?

2014 ◽  
Vol 51 (6) ◽  
pp. 696-706 ◽  
Author(s):  
Akira Suzuki ◽  
Masaaki Sasaguri ◽  
Kenji Hiura ◽  
Atsushi Yasunaga ◽  
Takeshi Mitsuyasu ◽  
...  
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Rank Order ◽  
University Hospital ◽  
Dental Arch ◽  
Prospective Longitudinal Study ◽  
Lateral Cephalograms ◽  
Prospective Longitudinal ◽  
The Relationship ◽  
Dental Cast

Objective To investigate the change in occlusal evaluations from the 5-year-olds' index to the Goslon Yardstick and to compare the relationship between the evaluations and maxillofacial growth in patients with complete unilateral cleft lip and palate (UCLP). Design A prospective longitudinal study. Subjects The sample consisted of 85 patients with complete UCLP who underwent surgery from 1969 to 1994 and were treated at the Kyushu University Hospital in Fukuoka, Japan. Subjects had two serial dental casts performed at the ages of 5 and 10 years. Furthermore, each patient had lateral cephalographs taken at the age of 5 years, 76 of 85 subjects had films taken at the age of 10 years, and 54 subjects also had lateral cephalograms taken after the age of 15 years. Methods Every dental cast was evaluated by the 5-year-olds' index and the Goslon Yardstick, respectively. The lateral cephalographs were traced and digitized, and angular dimensions were calculated. Outcomes were compared using Spearman's rank-order correlation analysis and the Kruskal-Wallis analysis. Results and Conclusion Dental arch relationships were evaluated and rated as 2.96 in the 5-year-olds' index and 2.85 in the Goslon Yardstick, respectively. Both groupings showed a significant relationship, and they showed no change in 36 out of 85 subjects (42.3%), significant improvement in 30 (35.3%), and deterioration in 19 (22.3%). Two occlusal groupings and maxillofacial morphology on the cephalographs indicated that the grouping reflected the anteroposterior position of the mandible. Moreover, both groupings showed some relation to previous maxillofacial growth, but they did not show any relationship with future growth. The Goslon Yardstick may not predict maxillofacial morphology in adulthood.

Intraoral Photographs for Rating Dental Arch Relationships in Unilateral Cleft Lip and Palate

2009 ◽  
Vol 46 (4) ◽  
pp. 415-419 ◽  
Author(s):  
Yu-Fang Liao ◽  
Chiung-Shing Huang ◽  
I-Feng Lin
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
The Other ◽  
Viable Alternative ◽  
Dental Arch ◽  
Significant Difference ◽  
Intraexaminer Reliability ◽  
Experienced Examiner ◽  
Dental Casts

Background and Purpose: The Goslon Yardstick is one of the most commonly used methods to assess dental arch relationships of patients with unilateral cleft lip and palate. This system was originally applied to dental casts. For reasons of economy and convenience, we aimed to determine whether intraoral photographs could substitute for dental casts for rating dental arch relationships. Methods: Records of 58 patients with nonsyndromic complete unilateral cleft lip and palate from the Chang Gung Craniofacial Center, Taipei, Taiwan, were used in this study. A set of dental casts and digital intraoral photographs taken at around 9 years of age were available for all patients. An experienced examiner rated the dental casts using the Goslon Yardstick to provide the reference scores. The other three examiners rated the intraoral photographs and repeated the rating 1 week later to calculate inter- and intraexaminer reliability. The photographic scores for each examiner were then compared with the reference scores to determine the validity of the photographs. Results: The results showed no significant difference between the rating of dental casts and photographs using the Goslon Yardstick. Reliability was also high for rating on photographs. Conclusions: Intraoral photographs appear to be a viable alternative to the application of the Goslon Yardstick on dental casts.

Maxillary Dental Arch Affected by Different Sleep Positions in Unilateral Complete Cleft Lip and Palate Infants

1994 ◽  
Vol 31 (3) ◽  
pp. 179-184 ◽  
Author(s):  
Chiung-Shing Huang ◽  
Hsin-Chung Cheng ◽  
Yu-Ray Chen ◽  
M. Samuel Noordhoff
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Longitudinal Change ◽  
Sleep Position ◽  
Dental Arch ◽  
Initial Visit ◽  
Arch Width ◽  
Supine Sleep ◽  
The Relationship ◽  
Maxillary Arch

The development of the dental arch is well designed for adaptive and compensatory growth. In this study, the relationship between the sleep position and dental arch development was Investigated. A group of 42 infants with unilateral complete cleft lip and palate with either prone (16) or supine (26) sleep position were seen in the craniofacial center. All infants were less than 1 month of age at the initial visit. Dental impressions of the maxillary arch were taken at the initial visit and just before cheiloplasty. Ten arch dimensions were measured in each dental cast and the longitudinal change in each dimension was compared between the prone sleep group and the supine sleep group. Statistically significant changes were detected in the growth rate of the following dimensions: intercanine width, intertuberosity width, alveolar cleft width, anterior cleft width, and posterior cleft width. This study indicated that sleep position affected maxillary arch development. Infants sleeping in the prone sleep position tended to have narrower arch width and cleft width.

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.

scholarly journals Maxillary and Mandibular Dental-Arch Dimensions and Occlusion in Bilateral Cleft Lip and Palate Patients from 3 to 17 Years of Age

1997 ◽  
Vol 34 (1) ◽  
pp. 21-26 ◽  
Author(s):  
Kiki L.W.M. Heidbuchel ◽  
Anne Marie Kuijpers-Jagtman
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Control Sample ◽  
Fixed Time ◽  
Control Group ◽  
Dental Arch ◽  
Normative Sample ◽  
Time Intervals ◽  
Arch Form ◽  
Bilateral Cleft Lip

The aim of this study was to describe maxillary and mandibular dental-arch form and occlusion in bilateral cleft of the lip and palate (BCLP) from 3 to 17 years of age and to compare their characteristics with a normative sample. A sample of 22 patients with BCLP was investigated, with a noncleft control sample used for comparison. Dental-arch dimensions were studied on dental casts. A comparison between both groups was made at fixed time intervals. From 9 years of age, the cleft sample showed a significantly smaller maxillary depth. Maxillary dental-arch widths were also significantly smaller than in the control group over the whole age period. Mandibular dental-arch measurements were very similar In both groups, although smaller first-molar widths were noted in the BCLP group beginning at 12 years of age. A tendency for end-to-end occlusion was found, which became more clear with age and was most markedly in the canine region.

scholarly journals Simultaneous Repair of Cleft Hard Palate by Vomer Flap along with Cleft Lip in Unilateral Complete Cleft Lip and Palate Patients

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Kazi Md. Noor-ul Ferdous ◽  
M. Saif Ullah ◽  
M. Shajahan ◽  
M. Ashrarur Rahman Mitul ◽  
M. Kabirul Islam ◽  
...  
Keyword(s):  
Blood Transfusion ◽  
Soft Palate ◽  
Hard Palate ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Operation Time ◽  
Fistula Formation ◽  
Posterior Border ◽  
Oronasal Fistula ◽  
Vomer Flap

The purpose of the study was to see the short-term outcome of simultaneous repair of cleft lip and cleft hard palate with vomer flap against cleft lip repair alone in patients with unilateral complete cleft lip and palate (UCLP). A prospective observational study was carried out in 35 patients with unilateral complete cleft lip and palate who under-went cleft lip and cleft hard palate repair with vomer flaps simultaneously. After 3 months, cleft soft palate was repaired. During 1st and 2nd operations, the gap between cleft alveolus and posterior border of the cleft hard palate was measured. Postoperative complications, requirement of blood transfusion during the operation, and duration of operations were also recorded. Simultaneous repairs of cleft lip and closure of cleft hard palate with vomer flaps are easy to perform and are very effective for the repair of cleft lip and palate in UCLP patients. No blood transfusion was needed. Gaps of alveolar cleft and at the posterior border of hard palate were reduced remarkably, which made the closure of the soft palate easier, decreased operation time, and also decreased the chance of oronasal fistula formation.

Dental Arch Relationship Outcomes Following 2-Stage Palatoplasty for Japanese Patients With Complete Unilateral Cleft Lip and Palate: A 3-Center Study

2021 ◽  
pp. 105566562110106
Author(s):  
Junya Kato ◽  
Tadashi Mikoya ◽  
Yumi Ito ◽  
Yoshiaki Sato ◽  
Setsuko Uematsu ◽  
...  
Keyword(s):  
Soft Palate ◽  
Hard Palate ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Japanese Patients ◽  
Dental Arch ◽  
Perfect Agreement ◽  
Cross Sectional ◽  
Relationship Outcomes ◽  
Dental Arch Relationship

Objective: To compare dental arch relationship outcomes following 3 different 2-stage palatal repair protocols. Design: Retrospective, cross sectional. Setting: Three cleft palate centers (A, B, C) in Japan. Patients: Ninety (A: 39, B: 26, C: 25) consecutively treated Japanese patients with complete unilateral cleft lip and palate. Interventions: In A, the soft palate and the posterior half of the hard palate were repaired at a mean age of 1 year 7 months. In B, the soft palate and hard palate were closed separately at a mean age of 1 year 6 months and 5 years 8 months, respectively. In C, the soft palate and hard palate were closed at a mean age of 1 year and 1 year 5 months, respectively. Main Outcome Measures: Dental arch relationships were assessed using the 5-Year-Olds’ (5-Y) index by 5 raters and the Huddart/Bodenham (HB) index by 2 raters. Results: Intra- and inter-rater reliabilities showed substantial or almost perfect agreement for the 5-Y and HB ratings. No significant differences in mean values and distributions of 5-Y scores were found among the 3 centers. The mean HB index scores of molars on the minor segment were significantly smaller in C than those in A and B ( P < .05). Conclusions: There were no significant differences in dental arch relationships at 5 years among the times and techniques of hard palate closure. However, further analysis of the possible influence of infant cleft size as a covariable on a larger sample size is needed.

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