Gingival labial recessions in orthodontically treated and untreated individuals: a case - control study

Renkema, Anne Marie; Fudalej, Piotr; Renkema, Alianne A P; Abbas, Frank; Bronkhorst, Ewald; Katsaros, Christos (2013). Gingival labial recessions in orthodontically treated and untreated individuals: a case - control study. Journal of clinical periodontology, 40(6), pp. 631-7. Wiley 10.1111/jcpe.12105

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OBJECTIVES To evaluate the long-term development of labial gingival recessions during orthodontic treatment and retention phase. MATERIAL AND METHODS In this retrospective case-control study, the presence of gingival recession was scored (Yes or No) on plaster models of 100 orthodontic patients (cases) and 120 controls at the age of 12 (T12 ), 15 (T15 ), 18 (T18 ), and 21 (T21 ) years. In the treated group, T12 reflected the start of orthodontic treatment and T15 - the end of active treatment and the start of retention phase with bonded retainers. Independent t-tests, Fisher's exact tests and a fitted two-part "hurdle" model were used to identify the effect of orthodontic treatment/retention on recessions. RESULTS The proportion of subjects with recessions was consistently higher in cases than controls. Overall, the odds ratio for orthodontic patients as compared with controls to have recessions is 4.48 (p < 0.001; 95% CI: 2.61-7.70). CONCLUSIONS Within the limits of the present research design, orthodontic treatment and/or the retention phase may be risk factors for the development of labial gingival recessions. In orthodontically treated subjects, mandibular incisors seem to be the most vulnerable to the development of gingival recessions.

Item Type:

Journal Article (Original Article)


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

UniBE Contributor:

Fudalej, Piotr and Katsaros, Christos


600 Technology > 610 Medicine & health








Eveline Carmen Schuler

Date Deposited:

11 Feb 2014 11:29

Last Modified:

08 May 2017 08:01

Publisher DOI:


PubMed ID:



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