Dental Arch Relationships in Turkish Patients with Complete Unilateral Cleft Lip and Palate Born between 1976 and 1990: A Comparison with Eurocleft

Author:

Dogan Servet1,Semb Gunvor2,Erbay Elif3,Alcan Toros3,Uzel Ash4,Kocadereli Ilken5,Shaw William C.2

Affiliation:

1. Department of Orthodontics, Faculty of Dentistry, Ege University, Izmir, Turkey.

2. Department of Orthodontics, Manchester University, Manchester, UK.

3. Department of Orthodontics, Istanbul University, Istanbul, Turkey.

4. Department of Orthodontics, Cukurova University, Adana, Turkey.

5. Department of Orthodontics, Hacettepe University, Ankara, Turkey.

Abstract

Objective To compare the dental arch relationships of Turkish patients with complete unilateral cleft lip and palate (UCLP) with the results reported for participants in the Eurocleft study. Patients Study models of 109 patients with complete UCLP from five university clinics in Turkey were evaluated (clinic A = 25 patients, clinic B = 23 patients, clinic C = 20 patients, clinic D = 21 patients, and clinic E = 20 patients). The mean age of the patient cohort was nine years old (range = 8–11 years old), and the cohort was born between 1976 and 1990. Methods The examiners rated the three-dimensional (3D) models using the GOSLON Yardstick. The scores were compared with those from the Eurocleft centers: E1(B), E2(E), E3(A), E4(F), E5(C), and E6(D). Intra- and interexaminer agreements were evaluated using weighted kappa statistics. Results The mean GOSLON scores for the Turkish clinics were as follows: clinic A = 3.16, clinic B = 3.13, clinic C = 3.25, clinic D = 3.67, and clinic E = 3.70. Scores for three of the Turkish clinics (A, B, and C) were significantly worse than the scores for the three best Eurocleft centers, E1(B), E2(E), and E3(A) ( P < .001, P < .001, and P < .05, respectively). Scores for two of the Turkish clinics (D and E) were similar to those for Eurocleft center E6(D) but worse than the scores for the other Eurocleft centers ( P < .01, P < .001, respectively). Conclusions This was the first study in which three-dimensional models were used to derive scores to compare with those of the Eurocleft centers. According to the results of analysis of 109 3D models, 50.4 % of the patients in Turkey were classified as GOSLON score 4 and 5. This may have been attributable to poor surgical procedures, low-volume surgeons, and the decentralized treatment approach in Turkey between 1985 and 2000. Further research is needed to assess the situation in Turkey in more recent years.

Publisher

SAGE Publications

Subject

Otorhinolaryngology,Oral Surgery

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