Plaque retention by self-ligating vs elastomeric orthodontic brackets: Quantitative comparison of oral bacteria and detection with adenosine triphosphate-driven bioluminescence

Peter Pellegrini, Rebecca Sauerwein, Tyler Finlayson, Jennifer McLeod, David Covell, Tom Maier, Curtis Machida

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Introduction: Enamel decalcification is a common problem in orthodontics. The objectives of this randomized clinical study were to enumerate and compare plaque bacteria surrounding 2 bracket types, self-ligating (SL) vs elastomeric ligating (E), and to determine whether adenosine triphosphate (ATP)-driven bioluminescence could be used for rapid assessment of bacterial load in plaque. Methods: Patients (ages, 11-17 years) were bonded with SL and E brackets in 14 maxillary and 12 mandibular arches by using a split-mouth design. Recall visits were at 1 week and 5 weeks after bonding. Plaque specimens were assayed for oral bacteria and subjected to ATP-driven bioluminescence determinations with a luciferin-based assay. Results: In most patients, teeth bonded with SL attachments had fewer bacteria in plaque than did teeth bonded with E brackets. At 1 and 5 weeks after bonding, the means for SL vs E brackets were statistically lower for total bacteria and oral streptococci (P <0.05). ATP bioluminescence values were statistically correlated to the total oral bacteria and oral streptococci, with correlation coefficients of 0.895 and 0.843, respectively. Conclusions: SL appliances promote reduced retention of oral bacteria, and ATP bioluminescence might be a useful tool in the rapid quantification of bacterial load and the assessment of oral hygiene during orthodontic treatment.

Original languageEnglish (US)
Pages (from-to)426.e1-426.e9
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volume135
Issue number4
DOIs
StatePublished - Jan 1 2009

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Orthodontic Brackets
Adenosine Triphosphate
Bacteria
Bacterial Load
Orthodontics
Streptococcus
Tooth
Oral Hygiene
Dental Enamel
Mouth
elastomeric

ASJC Scopus subject areas

  • Orthodontics

Cite this

Plaque retention by self-ligating vs elastomeric orthodontic brackets : Quantitative comparison of oral bacteria and detection with adenosine triphosphate-driven bioluminescence. / Pellegrini, Peter; Sauerwein, Rebecca; Finlayson, Tyler; McLeod, Jennifer; Covell, David; Maier, Tom; Machida, Curtis.

In: American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 135, No. 4, 01.01.2009, p. 426.e1-426.e9.

Research output: Contribution to journalArticle

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abstract = "Introduction: Enamel decalcification is a common problem in orthodontics. The objectives of this randomized clinical study were to enumerate and compare plaque bacteria surrounding 2 bracket types, self-ligating (SL) vs elastomeric ligating (E), and to determine whether adenosine triphosphate (ATP)-driven bioluminescence could be used for rapid assessment of bacterial load in plaque. Methods: Patients (ages, 11-17 years) were bonded with SL and E brackets in 14 maxillary and 12 mandibular arches by using a split-mouth design. Recall visits were at 1 week and 5 weeks after bonding. Plaque specimens were assayed for oral bacteria and subjected to ATP-driven bioluminescence determinations with a luciferin-based assay. Results: In most patients, teeth bonded with SL attachments had fewer bacteria in plaque than did teeth bonded with E brackets. At 1 and 5 weeks after bonding, the means for SL vs E brackets were statistically lower for total bacteria and oral streptococci (P <0.05). ATP bioluminescence values were statistically correlated to the total oral bacteria and oral streptococci, with correlation coefficients of 0.895 and 0.843, respectively. Conclusions: SL appliances promote reduced retention of oral bacteria, and ATP bioluminescence might be a useful tool in the rapid quantification of bacterial load and the assessment of oral hygiene during orthodontic treatment.",
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AU - Maier, Tom

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