Document Detail

Eighteen-month clinical and radiographic evaluation of two root canal-filling materials in primary teeth with pulp necrosis secondary to trauma.
MedLine Citation:
PMID:  21342437     Owner:  NLM     Status:  MEDLINE    
AIM: This study compared clinically and radiographically the use of zinc oxide and eugenol cement (ZOE) and a commercial calcium hydroxide and polyethylene glycol-based paste (Calen(®) ) thickened with zinc oxide as root canal-filling materials for primary teeth with pulp necrosis secondary to trauma within 18months of follow up.
MATERIAL AND METHODS: Eligible patients of both genders aged 2years and 6months to 5years and 10months who had been referred for dental treatment at a pediatric dental trauma service and presented at least one anterior primary tooth (central and/or lateral incisor) with pulp necrosis secondary to traumatic injury were selected. Twenty-six children (n=31 teeth) with mean age of 3.4years met the inclusion criteria and were enrolled after parental written consent. The root canals were instrumented and filled with either ZOE (group I; n=15 teeth) or Calen(®) paste [composition: 2.5g calcium hydroxide, 0.5g zinc oxide, 0.05g colophony, and 1.75ml polyethylene glycol 400 (vehicle)] thickened with zinc oxide (Calen(®) /ZO; group II; n=16 teeth). ZO was added to the Calen(®) paste for slowing paste resorption, which should ideally occur simultaneously with the physiologic resorption of primary tooth roots. Clinical success after 18months of follow up was considered as absence of pain, tooth mobility or fistula, and radiographic success as the partial or total remission of apical periodontitis, absence of pathological root resorption or presence of new bone formation.
RESULTS: Eighteen months after treatment, the teeth obturated with ZOE and Calen(®) /ZO presented statistically similar (Fisher's exact test; P >0.05) success rates of 93.3% and 87.5%, respectively.
CONCLUSION: Our results showed the clinical and radiographic outcomes for Calen(®) /ZO to be equal to those for ZOE after 18months, suggesting that both materials can be indicated for obturating primary teeth with pulp necrosis after trauma.
Daniela Nunes Pinto; Denise Lins de Sousa; Rebecca Bastos Rocha Araújo; José Jeová Siebra Moreira-Neto
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2011-02-23
Journal Detail:
Title:  Dental traumatology : official publication of International Association for Dental Traumatology     Volume:  27     ISSN:  1600-9657     ISO Abbreviation:  Dent Traumatol     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-13     Completed Date:  2011-09-22     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  101091305     Medline TA:  Dent Traumatol     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  221-4     Citation Subset:  D    
Copyright Information:
© 2011 John Wiley & Sons A/S.
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MeSH Terms
Calcium Hydroxide / therapeutic use
Child, Preschool
Dental Fistula / prevention & control
Dental Pulp Necrosis / etiology,  therapy*
Follow-Up Studies
Incisor / injuries,  pathology*
Longitudinal Studies
Osteogenesis / drug effects
Periapical Periodontitis / therapy
Polyethylene Glycols / therapeutic use
Root Canal Filling Materials / therapeutic use*
Root Canal Obturation / methods
Root Canal Therapy / methods*
Root Resorption / prevention & control
Single-Blind Method
Tooth Mobility / prevention & control
Tooth, Deciduous / injuries,  pathology*
Toothache / prevention & control
Treatment Outcome
Zinc Oxide / therapeutic use
Zinc Oxide-Eugenol Cement / therapeutic use
Reg. No./Substance:
0/Polyethylene Glycols; 0/Root Canal Filling Materials; 0/Zinc Oxide-Eugenol Cement; 0/calen; PF5DZW74VN/Calcium Hydroxide; SOI2LOH54Z/Zinc Oxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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