ContEntS Page Printed by: Airlangga University Press. (043/03.09/AUP-B5E). Kampus C Unair, Jln. Mulyorejo Surabaya 60115, Indonesia. Telp. (031) 5992246, 5992247, Telp./Fax. (031) 5992248. E-mail:aupsby@rad.net.id. Ijin penerbit: No. 0787/SK/Dir. PK/SIT/1969. Accredited No. 48/DIKTI/Kep/2006. Volume 42 Number 1 January-March 2009 ISSN 1978 - 3728 Dental Journal Majalah Kedokteran Gigi 1. The transformation of ordinal scale for parametric statistic analysis on dental health questionnaire adi hapsoro ...................................................................................................................................... 1–5 2. Chronic gingivitis and aphthous stomatitis relationship hypothesis: A neuroimmunobiological approach Chiquita Prahasanti, nita Margaretha, and haryono utomo ..................................................... 6–11 3. The role of microendodontics in treating mandibular second molar with five canals harry huiz Peeters .......................................................................................................................... 12–14 4. Toxicity testing of chitosan from tiger prawn shell waste on cell culture Maretaningtias dwi ariani, anita Yuliati, and tokok adiarto .................................................. 15–20 5. The effect of toothpaste containing Kayu Sugi extract on plaque formation Widowati W, rar awang, nh ismail, and Sh othman ............................................................. 21–24 6. Simple replantation protocol to avoid ankylosis in teeth intended for orthodontic treatment Yuli nugraeni, david Buntoro Kamadjaja, and haryono utomo ............................................... 25–30 7. Treatment on temporomandibular disorder using occlusal splint agus dahlan ..................................................................................................................................... 31–36 8. Inhibitory effect of n-hexane: ethyl acetate fraction from Artemisia vulgaris L. on cell culture of oral epithelial carcinoma ira arundina ..................................................................................................................................... 37–40 9. Antioxidant effect of minocycline in gingival epithelium induced by Actinobacillus actinomycetemcomitans serotype B toxin Ernie Maduratna Setiawati ............................................................................................................. 41–45 10. Esthetic rehabilitation of crowded and protruded anterior dentition Cecilia G. J. lunardhi and Eric Priyo Prasetyo ............................................................................ 46–49 11. Patient safety oriented to improve patient retention in oral health services tri Erri astoeti ................................................................................................................................. 50–53