Porous glass-ceramic orbital implants from egg shell

Main Article Content

Jiratchaya Ayawanna
Namthip Kingnoi
Thanyapon Wanpen


The Calcium silicate porous glass-ceramic material was prepared by using cheaper calcium carbonate from egg shell in this study. The key morphological characteristics of the porous glass-ceramic product was assessed and the capability of this material in body fluid was investigated. The porous glass ceramic orbital implants derived from different egg shell contents (30 – 50 mol%) in replacement of calcium carbonate in calcium silicate glass systems were fabricated. The microstructure, phase composition and porosity of glass-ceramic orbital implants both after fabrication at 870ºC and 1000ºC for 2 h and 5 h, and after immersion test in Simulate Body Fluid (SBF) solution for 2 weeks, 1 month and 2 months were comparatively studied. The maximum contents of egg shell in making the calcium silicate glass is 40 mol%, in which a pure amorphous structure was formed for fabrication of a glass-ceramic orbital implants. Biocompatible wollastonite phase was obtained after heat treatment at 1000ºC for 2 h. The glass–ceramic orbital implants from egg shell has uniform distribution of an open-macropore with high porosity in the range of 35-45% for eye tissue ingrowth. Also, good chemical stability in SBF for 2-month test was obtained in this alternative low-cost egg shells derived porous glass–ceramic for ocular prosthesis applications.

Article Details

How to Cite
Ayawanna, J.; Kingnoi, N. .; Wanpen, T. Porous Glass-Ceramic Orbital Implants from Egg Shell. Microsc. Microanal. Res. 2020, 33, 4-8.
The 37th International Conference on The Microscopy Society of Thailand


[1] Chalasani R., Warren L.P., Conway R.M., Nissan B.B., Surv. Ophthalmol. 52 (2), 2007, 1–11.
[2] Baino F., Labate G.F.D., Confiengo G.G., Faga M.G., Brovarone C.V., Catapano G., J. Eur. Ceram. Soc. 38, 2018, 2988–2993.
[3] Baino F., Mater. Lett. 212, 2018, 12–15.
[4] Baino F., Potestio I., Mater. Sci. Eng. C 69, 2016, 1410–1428.
[5] Souza M.T., Maia B.G.O., Teixeira L.B., De Oliveira K.G., Teixeira A.H.B., De Oliveira A.P.N., Process Saf. Environ. Prot. 111, 2017, 60–64.
[6] Adams L.A., Essien E.R., Kaufmann E.E., J. Asian Ceram. Soc. 6 (2), 2018, 132–138.
[7] Ayawanna J., Kingnoi N., Laorodphan N., Materials Letters 241, 2019, 39–42.
[8] Heriyanto F., Pahlevani V., Sahajwalla J., Clean Prod. 172, 2018, 3019–3027.
[9] Salman S.M., Salama S.N., Abo-Mosallam H.A., J. Asian Ceram. Soc. 3, 2015, 255–261.