Effect of MTA particle size on periapical healing

Aim To examine the effect of reduction in MTA particle size on dento‐alveolar and osseous healing in dogs. Methodology Root canals of 24 mandibular premolars in four 2‐year‐old beagles were prepared and filled with gutta‐percha and sealer. Two to four weeks later, during periapical surgery, the root...

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Published inInternational endodontic journal Vol. 50; no. S2; pp. e3 - e8
Main Authors Torabinejad, M., Moazzami, S. M., Moaddel, H., Hawkins, J., Gustefson, C., Faras, H., Wright, K., Shabahang, S.
Format Journal Article
LanguageEnglish
Published England Wiley Subscription Services, Inc 01.12.2017
Subjects
Aluminum Compounds - pharmacology
Animals
Bicuspid - surgery
Bone healing
Calcium Compounds - pharmacology
Cementum
Data processing
Dental roots
Dentistry
Dogs
Drug Combinations
Endodontics
fast‐set
Gutta-Percha - pharmacology
Inflammation
Mandible
MTA
Oxides - pharmacology
Particle Size
periapical healing
Periapical Tissue - drug effects
Premolars
Root Canal Filling Materials - pharmacology
Root Canal Therapy
Root canals
root‐end filling material
Silicates - pharmacology
Surgery
Teeth
Wound Healing - drug effects
root-end filling material
periapical healing
MTA
fast-set
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Summary:Aim To examine the effect of reduction in MTA particle size on dento‐alveolar and osseous healing in dogs. Methodology Root canals of 24 mandibular premolars in four 2‐year‐old beagles were prepared and filled with gutta‐percha and sealer. Two to four weeks later, during periapical surgery, the root‐end cavity preparations in these teeth were filled with either grey ProRoot MTA or modified (reduced particle sizes with faster setting time) MTA. The animals were sacrificed 4 months later. Degrees of inflammation, type of inflammatory cells, fibrous connective tissue adjacent to the root‐end filling materials, cementum formation over the resected roots and root‐end filling materials and bone healing were examined. Data were analysed using the McNemar test. Results No significant differences in healing of periapical tissues were found when comparing ProRoot MTA to a modified MTA containing reduced particle sizes. Conclusion Reducing the particle sizes of MTA did not impact its biological properties.
Bibliography:ObjectType-Article-1
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ISSN:0143-2885
1365-2591
DOI:10.1111/iej.12738