PMID: 22567620May 9, 2012Paper

The Orthodontic Plaque Index: an oral hygiene index for patients with multibracket appliances

Orthodontics : the Art and Practice of Dentofacial Enhancement
Katrin BeberholdDirk Ziebolz

Abstract

Adhesively bonded, fixed orthodontic appliances--so-called multibracket appliances--on buccal or lingual tooth surfaces can make oral hygiene difficult. This increases the risk of caries and gingivitis, and patients require closely monitored prophylactic care. Oral hygiene indices serve to assess the oral hygiene situation and evaluate oral health status. The currently available indices do not adequately meet the special requirements of patients with multibracket appliances, since they evaluate only the smooth surfaces and/or approximal spaces of the teeth in terms of plaque accumulation and signs of inflammation of the marginal gingiva. The Orthodontic Plaque Index (OPI) is a special index for patients with fixed orthdontic appliances. The OPI focuses on the tooth area in the immediate vicinity of the bracket, since additional and relatively inaccessible plaque niches arise at these sites. To record the OPI, the dentition is divided into sextants. Plaque scores (0 to 4) are assigned. The plaque accumulation on each tooth surface adjacent to the bracket base is evaluated (mesial, distal, occlusal/incisal, and cervical). In addition, signs of gingival inflammation are recorded. The highest score per sextant is entered into a sex...Continue Reading

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