Name:

Grey MTA Plus

Classification Category:

MTA clone
Portland Cement with the same radio pacifier as ProRoot

Avalon Biomed Inc.

Adress:
7282 55th Ave. E Suite #227
Bradenton, FL 3, 4203
U.S.A.

Tel:
Fax:

E-mail: info@avalonbiomed.com
Internet: www.avalonbiomed.com

Grey MTA Plus ROOT AND PULP TREATMENT MATERIAL is intended for use in dental procedures that contact pulp and periradicular tissues, as well as obturation and sealing of root canals.
Dental procedures contacting vital pulp tissue are:
- Pulpotomies,
- Pulp capping,
- Cavity lining, or
- Base beneath a filling material.

Dental procedures possibly contacting the periradicular tissues are:
- Root-end filling,
- Apexification,
- Perforation repair,
- Root resorption,
- Sealing, or
- Obturation (pulpectomy).

Grey MTA Plus ROOT & PULP TREATMENT MATERIAL is a powder & gel system consisting of an extremely fine, radiopaque, inorganic powder of tricalcium and dicalcium silicate, which sets with the included water-based MTA Plus gel, or water. (Directions for use, 26.6.16).
Grey MTA Plus powder:

< 50% 3CaO+SiO2-Tricalcium Silicate
< 30% Bi2O3 Bismuth oxide
< 20% 2CaO+SiO2-Dicalcium Silicate
< 5% CaSO4 Calcium sulfate


The MTA patent stated that MTA consists of 50-75% (wt) calcium oxide and 15-25% silicon dioxide. These two components together comprise 70-95% of the cement. When these raw materials are blended, they produce tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite. On addition of water, the cement hydrates, forming silicate hydrate gel.
Camilleri J. The chemical composition of mineral trioxide aggregate. J Conserv Dent 2008;11:141-3

Grey MTA Plus: 3CaO, SiO2, 2CaO, SiO2, Bi2O3, 3CaO, Al2O3, CaSO4, Ca2(Al,Fe)2O5
White MTA Plus: 3CaO, SiO2, 2CaO, SiO2, Bi2O3, 3CaO, Al2O3, CaSO4
Liquid: Water-based gel with water-soluble thickening agents and polymers* *Contents are generally regarded as safe. Ashraf A. Eid, BDS, MSc, Johnny Gosier, DMD,* Carolyn M. Primus, PhD, Barry D. Hammond, DMD, Lisiane F. Susin, David H. Pashley, DMD, PhD and Franklin R. Tay, BDSc (Hons), PhDIn-vitro Biocompatibility and Oxidative Stress Profiles of Different Hydraulic Calcium Silicate Cements. J Endod. 2014 Feb; 40(2): 255-260. (26.6.26)

Liquid:
Anti washout gel 97.5% H2O, 2,8% SiO2, < 0,01% K2O, Cl, CaO

Formosa LM, Mallia B, Camilleri J.Mineral trioxide aggregate with anti-washout gel - properties and microstructure. Dent Mater. 2013 Mar;29(3):294-306

1. Mestieri LB1, Gomes-Cornélio AL1, Rodrigues EM1, Salles LP2, Bosso-Martelo R1, Guerreiro-Tanomaru JM1, Tanomaru-Filho M1. Biocompatibility and bioactivity of calcium silicate-based endodontic sealers in human dental pulp cells. J Appl Oral Sci. 2015 Oct;23(5):467-71MTAP may be considered a promising material for endodontic treatments.

2. Camilleri J1, Formosa L, Damidot D.The setting characteristics of MTA Plus in different environmental conditions. Int Endod J. 2013 Sep;46(9):831-40The novel MTA Plus was finer than ProRoot MTA but had a similar chemical composition. MTA Plus in direct contact with fluids exhibited partial decalcification of calcium silicate hydrate in contact with the solution, microcracking and leaching of calcium hydroxide. Interaction with a physiological solution resulted in inhibition of hydration.

3. Camilleri J. Staining Potential of Neo MTA Plus, MTA Plus, and Biodentine Used for Pulpotomy Procedures. J Endod. 2015 Jul;41(7):1139-45.MTA Plus exhibited discoloration in contact with sodium hypochlorite.

4. Qi YP, Li N, Niu LN, Primus CM, Ling JQ, Pashley DH, Tay FR.Remineralization of artificial dentinal caries lesions by biomimetically modified mineral trioxide aggregate. Acta Biomater. 2012 Feb;8(2):836-42

5. Ashraf A. Eid, BDS, MSc, Johnny Gosier, DMD,* Carolyn M. Primus, PhD, Barry D. Hammond, DMD, Lisiane F. Susin, David H. Pashley, DMD, PhD and Franklin R. Tay, BDSc (Hons), PhDIn-vitro Biocompatibility and Oxidative Stress Profiles of Different Hydraulic Calcium Silicate Cements. J Endod. 2014 Feb; 40(2): 255-260.

6. Formosa LM, Mallia B, Camilleri J.Mineral trioxide aggregate with anti-washout gel - properties and microstructure. Dent Mater. 2013 Mar;29(3):294-306.The use of the water-based anti-washout material instead of the standard water with MTA affects the hydration and properties of the set material.

7. Formosa LM, Damidot D, Camilleri J.Mercury intrusion porosimetry and assessment of cement-dentin interface of anti-washout-type mineral trioxide aggregate. J Endod. 2014 Jul;40(7):958-63MTA Plus mixed with antiwashout gel was found to have lower initial porosity than MTA Plus mixed with water. Both materials exhibited good marginal adaptation and the diffusion of silicon, calcium, and phosphorous across the cement/dentin interface. Thus, the anti-washout-type MTA can be considered to be a suitable substitute for ordinary MTA in all its indications.

Hypersensitivity against caustic (high pH) solutions.
- Do not use for primary tooth pulpectomy (root canal filling treatment).

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Can be used for pulp capping, and regenerative endodontic procedure.

MTA Plus exhibited discoloration in contact with sodium hypochlorite

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