＜EDITORIAL＞
Vigorous challenges continue	1
Yasumasa Akagawa
＜REVIEW ARTICLE＞
Research Papers on Materials and Devices Published in 2006 by Members of the Japan Prosthodontic Society	2
Takashi Nakamura
＜ORIGINAL ARTICLES＞
Influence of Cross-sectional Shape of the Margin，Contour and Positioning of Palatal Connectors on oral Sensation	6
Atsushi Tanaka, Masayuki Hideshima, and Takashi Ohyama
The Relationship between Mandibular Position and Sole Pressure	14
Yoshiyasu Satoh, Kazuo Higashi, Takahiro Mizumori, and Hirofumi Yatani
Measurement of the Cross-sectional Image of an Edentulous Mandible by Computed Tomography: Application of Silicone Materials as Markers	20
Yuko Suminaga
An Assessment of Condylar Dynamics Associated with Grinding Movements Part 1. Pattern Analysis of Condylar Dynamics	28
Katsushi Tamaki, Tatsunori Ikeda, Hiroyuki Wake, and Minoru Toyoda
An Allergy Survey Among Dental Professionals	34
Maki Hosoki, Yumi Hosokawa, Eiichi Bando, Hisahiro Takeuchi, Keisuke Nishigawa, and Masanori Nakano
Effects of the Insertion of Unilateral Extension Base Removable Partial Dentures on the Amount of an Umami Component Eluted during Mastication	39
Kaoru Uno, Masayuki Hideshima, and Takashi Ohyama
Comparison of the Attractive Forces of Dental Magnetic Attachments Fabricated by Cast- and Direct-Bonding Techniques	46
Fujio Tsuchida, Yuko Suminaga, Norio Takishin, Toshio Hosoi, and Akira Ohshima
Clinical Evaluation of Porcelain Fused to Electroformed Gold Coping Crowns: Preliminary Results after 30-43 Months	50
Yuji Kokubo, Mitsuyoshi Tsumita, Chikahiro Ohkubo, Satoe Sakurai, and Shunji Fukushima
＜CASE REPORT＞
Immediate Loading of Implants in a Completely Edentulous Maxilla Using Flapless Surgery	57
Tamaki Nakano, Soju Eguchi, Kunihiro Hisada, Fumitaka Ichida, Kenji Yamashita, Shinichi Yamada, and Hirofumi Yatani
A Nine-year Follow-up of a Porcelain Laminate Veneer Restoration Applied to an Adolescent with Traumatized Dentition: A Clinical Report	63
Naomi Tanoue, Mitsuru Atsuta, and Hideo Matsumura
Instructions for Authors	67
Submission Form	71
Checklist for Submitting Manuscripts	72