[1] Fukuoka Dent Coll, Dept Oral Rehabil, Sect Oral Implantol, Sawara Ku, Fukuoka 8140193, Japan
[2] Fukuoka Dent Coll, Dept Oral Rehabil, Sect Fixed Prosthodonot, Fukuoka 8140193, Japan
[3] Fukuoka Dent Coll, Orofacial Esthet Med Ctr, Fukuoka 8140193, Japan
[4] Fukuoka Dent Coll, Dept Oral Rehabil, Sect Removable Prosthodonot, Fukuoka 8140193, Japan