Abstract
Some physical, chemical and biological properties of the periodontal dressing materials with eugenol and without eugenol had been previously reported. Especially, it was considered that the adaptability of the periodontal dressing to the wound surface is an important factor by various investigation. The purpose of this study was measured to compare the dimensional change of commercially available periodontal dressing materials (Surgical pack [SHOWA], Neodyne pack, Periodontal pack, Cello pack, Peripac, COE-pak). After mixing, each paste on glass board was immediately depressed placing a weight on glass board. The expansion of specimens were measured immediately after preparation, and soaked in distilled water at 37±0.5°C. Measurements were made at 30 minutes, 1, 2, 3, 4 hours, 1, 3, 5, 7 and 10 days after.The results obtained were as follows:1. All dressing materials (Surgical pack [SHOWA], Neodyne pack, Periodontal pack, Cello pack, Peripac, COE-pak) showed contractively from immediately of preparation to 4-hour.2. Five dressing materials showed contractively to experimental period. The order of contraction obtained was COE-pak, Periodontal pack, Cello pack, Surgical pack [SHOWA] and Neodyne pack.3. The expansion of Peripac continued from 4-hour to 10-day.
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