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Title: Is measurement of the gingival biotype reliable? Agreement among different assessment methods
Author: Aguilar Durán, Laura
Mir Mari, Javier
Barbosa de Figueiredo, Rui Pedro
Valmaseda Castellón, Eduardo
Keywords: Malalties de les genives
Gum diseases
Issue Date: 1-Jan-2020
Publisher: Medicina Oral SL
Abstract: BACKGROUND: To determine agreement among the most commonly used methods for assessing the gingival biotype. MATERIAL AND METHODS: An electronic survey was sent to a sample of dentists practicing in Spain. The questionnaire was based on the evaluation of 5 cases involving different gingival biotype assessment methods. Dentists were required to classify the cases as having a 'thin', 'thick' or 'not able to classify' biotype. Each case was assessed using a frontal intraoral photo of the anterior teeth; an enlarged photo of the buccal aspect of the tooth with a periodontal probe inserted inside the sulcus; and the real thickness measured in mm with a calibrated needle. Agreement among the classifications was assessed using Cohen's kappa coefficient. RESULTS: A total of 104 surveys were analyzed. The most commonly used assessment method was visual evaluation of the morphology of the gingiva and the teeth (62.5%). Concordance among the three different methods was weak (kappa = 0.278). Agreement among the classification methods was greater in extreme cases (thinner and thicker gingival thickness). CONCLUSIONS: The most commonly used methods for assessing gingival biotype are not reliable. The three tested methods show poor to weak agreement, which leads to non-reliable estimation of the gingival biotype.
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It is part of: Medicina Oral, Patología Oral y Cirugía Bucal, 2020, vol. 25, num. 1, p. e144-e149
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ISSN: 1698-4447
Appears in Collections:Articles publicats en revistes (Odontoestomatologia)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

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