Manoeuvrability and biocompatibility of endodontic tricalcium silicate-based putties.
J Dent
; 104: 103530, 2021 01.
Article
in En
| MEDLINE
| ID: mdl-33220332
ABSTRACT
OBJECTIVES:
The present study evaluated the indentation depth, storage modulus and biocompatibility of an experimental endodontic putty designed for endodontic perforation repair and direct pulp-capping (NeoPutty). The results were compared with the properties associated with the commercially available EndoSequence BC RRM Putty (ES Putty).METHODS:
Indentation depth was measured by a profilometer following indentation with the 1/4â¯lb Gilmore needle. Elastic modulus was evaluated using a strain-controlled rheometer. The effects of eluents derived from these two putties were examined on the viability and proliferation of human dental pulp stem cells (hDPSCs) and human periodontal ligament fibroblasts (hPDLFs), before (1â¯st testing cycle) and after complete setting (2nd testing cycle).RESULTS:
The ES Putty became more difficult to ident and acquired a larger storage modulus after exposure to atmospheric moisture. Biocompatibility results indicated that both putties were relatively more cytotoxic than the bioinert Teflon negative control, but much less cytotoxic than the zinc oxide-eugenol cement negative control. NeoPutty was less cytotoxic than ES putty in the 1st testing cycle, particularly with hDPSCs. Both putties exhibited more favourable cytotoxicity profiles after complete setting.CONCLUSIONS:
NeoPutty has a better window of maneuverability after exposure to atmospheric moisture. From an in vitro cytotoxicity perspective, the NeoPutty may be considered more biocompatible than ES putty. CLINICALSIGNIFICANCE:
The experimental NeoPutty is biocompatible and is capable of reducing the frustration of shortened shelf life when jar-stored endodontic putties are exposed to atmospheric moisture during repeated opening of the lid for clinical retrieval.Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Root Canal Filling Materials
Limits:
Humans
Language:
En
Journal:
J Dent
Year:
2021
Document type:
Article
Affiliation country:
China