A longitudinal three-center study of dental arch relationship in patients with bilateral cleft lip and palate

Bartzela, Theodosia; Katsaros, Christos; Shaw, William C; Rønning, Elisabeth; Rizell, Sara; Bronkhorst, Ewald; Okada, Terumi Ozawa; de S L Pinheiro, Fabio H; Dominguez-Gonzalez, Susana; Hagberg, Catharina; Semb, Gunvor; Kuijpers-Jagtman, Anne Marie (2010). A longitudinal three-center study of dental arch relationship in patients with bilateral cleft lip and palate. Cleft palate-craniofacial journal, 47(2), pp. 167-74. Pittsburgh, Pa.: American Cleft Palate-Craniofacial Association

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OBJECTIVE: To compare and evaluate longitudinally the dental arch relationships from 4.5 to 13.5 years of age with the Bauru-BCLP Yardstick in a large sample of patients with bilateral cleft lip and palate (BCLP). DESIGN: Retrospective longitudinal intercenter outcome study. PATIENTS: Dental casts of 204 consecutive patients with complete BCLP were evaluated at 6, 9, and 12 years of age. All models were identified only by random identification numbers. SETTING: Three cleft palate centers with different treatment protocols. MAIN OUTCOME MEASURES: Dental arch relationships were categorized with the Bauru-BCLP yardstick. Increments for each interval (from 6 to 9 years, 6 to 12 years, and 9 to 12 years) were analyzed by logistic and linear regression models. RESULTS: There were no significant differences in outcome measures between the centers at age 12 or at age 9. At age 6, center B showed significantly better results (p=.027), but this difference diminished as the yardstick score for this group increased over time (linear regression analysis), the difference with the reference category (center C, boys) for the intervals 6 to 12 and 9 to 12 years being 10.4% (p=.041) and 12.9% (p=.009), respectively. CONCLUSIONS: Despite different treatment protocols, dental arch relationships in the three centers were comparable in final scores at age 9 and 12 years. Delaying hard palate closure and employing infant orthopedics did not appear to be advantageous in the long run. Premaxillary osteotomy employed in center B appeared to be associated with less favorable development of the dental arch relationship between 9 and 12 years.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Orthodontics

UniBE Contributor:

Katsaros, Christos

ISSN:

1055-6656

Publisher:

American Cleft Palate-Craniofacial Association

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

04 Oct 2013 14:08

Last Modified:

25 Jan 2017 12:16

PubMed ID:

20210638

URI:

https://boris.unibe.ch/id/eprint/452 (FactScience: 199342)

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