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Dental Journal (Majalah Kedokteran Gigi)
Published by Universitas Airlangga
ISSN : 19783728     EISSN : 24429740     DOI : -
Core Subject : Health,
Dentistry
The Dental Journal (Majalah Kedokteran Gigi) (e-ISSN:2442-9740; p-ISSN:1978-3728) is published by the Faculty of Dental Medicine, Universitas Airlangga. Its diciplinary focus is dental science and dental hygiene. The Dental Journal (Majalah Kedokteran Gigi) is published in English on a quarterly basis with each 50-60 page edition containing between nine and eleven scientific articles on research, study literature and case studies. Contributors to the Dental Journal (Majalah Kedokteran Gigi) included: dental researchers, dental practitioners, lecturers, and students drawn from Indonesia and a wide range of other countries.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 38 No. 3 (2005): September 2005" : 12 Documents clear
Reversibilitas kalsifikasi tulang akibat kekurangan protein pre dan post natal (Reversibility of bone calcification on pre and post natal protein deficiency) Pinandi Sri Pudyani
Dental Journal (Majalah Kedokteran Gigi) Vol. 38 No. 3 (2005): September 2005
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (131.024 KB) | DOI: 10.20473/j.djmkg.v38.i3.p115-119

Abstract

The growth and development play an important role in orthodontics mainly in bone, because it can determine the maturity of the bone. Bone maturity evaluation is very important in orthodontic treatment, because there are many individual variations in growth and development such as time, duration and velocity of the growth. Nutritional status during pregnancy and infant period will influence the growth and the development of bone. Protein diet is an important factor, which will determine the optimal calcification during bone growth and development stages. Bone calcification, in orthodontics, can be used to estimate the bone maturity for diagnosis and treatment planning. The purpose of this study was to recognize ones ability to surpass calcium and phosphor deficiency because of pre and postnatal protein deficiency. There were three groups of samples of Rattus norvegicus rats. The first group was the control group with standard diet, the second was the infant group with pre and postnatal protein deficiency, and the third group was young rat at weaning age with pre and postnatal protein deficiency supplemented with enough protein in the diet. Bone calcification stage was analyzed: 1) Histologically by measuring epiphyseal width on right femur; 2) by measuring calcium and phosphor concentration on left femur with Spectrophotometry Atomic Absorption and spectroscopy ultra light visible. The data were analyzed by one way ANOVA continued by t test. The result showed that: 1) there was significant (p < 0.01) epiphyseal width difference between group I and II, I and III (p < 0,01) but there was not significant difference between group II & III (p > 0.05); 2) there was significant calcium and phosphor concentration on bone between group I, II and III (p < 0.01). It was concluded that bone calcification damage because of pre and post natal protein deficiency was an irreversible process. Protein supplement after bone calcification could not restore the condition.
Kekerasan permukaan semen ionomer kaca konvensional tipe II akibat lama penyimpanan (The surface hardness of type II conventional glass ionomer cement conventional because of the length of storage) Asti Meizarini; Irmawati Irmawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 38 No. 3 (2005): September 2005
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (131.724 KB) | DOI: 10.20473/j.djmkg.v38.i3.p146-150

Abstract

Type II conventional glass-ionomer cements (GIC) are restorative materials consisting of powder and liquid mixed to produce a plastic mass that subsequently sets to a rigid solid. The early GIC was marketed without the expired date, although this material has been currently marketed with the expired date, how stable the materials are not yet clear. The purpose of this study was to evaluate the powder and the liquid GIC storage on the surface hardness of the samples. Six disc samples (5 mm in diameter and 3 mm thick) were made for each of four groups consisting of powder: aged liquid ages, aged powder: new liquid new, new powder new: new liquid new and aged powder: aged liquid ages respectively. All samples prepared followed the manufacturers’ recommendations and were allowed to set for 15 minutes then they were kept for 24 hours at room temperature before testing. Vickers microhardness was assessed for measuring the surface hardness at the top of the sample surface. The data were statistically analyzed using an ANOVA and LSD (p < 0.05). The results of this study indicated that the highest surface hardness was on the group of new powder: new liquid new = 52.040 VHN. The other groups were nearly similar, for new powder: aged liquid, aged powder: new liquid, aged powder: aged liquid they were 49.558 VHN; 49.123 VHN; 48.938 VHN respectively. Conclusion, powder and liquid of the type II conventional glass ionomer that had been stored for a long time descreased the surface hardness of the glass ionomer cements.

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