PMID- 15952625 OWN - NLM STAT- MEDLINE DCOM- 20141008 LR - 20050614 IS - 1000-1182 (Print) IS - 1000-1182 (Linking) VI - 23 IP - 2 DP - 2005 Apr TI - [The effects of desensitizing bonding system for prevention of vital abutment hypersensitivity]. PG - 130-2 AB - OBJECTIVE: To evaluate the effects of GLUMA desensitizing bonding system in desensitizing hypersensitivity of vital abutment. METHODS: 69 central incisors with vital pulp from 69 patients were randomly divided into A, B and C group. After tooth preparation, group A coated with primer after etching, group B coated with primer after etching cervical dentin only, and group C was control group without special treatment. The cold sensitivity of abutments was tested after coating with primer, after cementation of crown and three months later. Two fresh extracted caries and restoration-free middle incisor were prepared in routine way. The surface of specimen 1 was etched with conditioner and the control specimen 2 was prepared without any special surface treatment. Scanning electron microscope (SEM) observation was used to examine the details on dentin surface. RESULTS: In all three times of examination, the sensitivities of two experimental groups had been significantly reduced compared with the control group. Immediately after coating, group B were more sensitive than group A (P < 0.05). After cementation of crown and three months later, there was no statistically significant between group A and group B. SEM photomicrograph showed that the smear layer was removed from etched dentine surface with open dentinal tubules. CONCLUSION: Coating with GLUMA desensitizing bonding system could prevent hypersensitivity of vital abutment. FAU - Zhang, Huai-Qin AU - Zhang HQ AD - Dept. of Prosthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China. FAU - Chao, Yong-Lie AU - Chao YL LA - chi PT - English Abstract PT - Journal Article PL - China TA - Hua Xi Kou Qiang Yi Xue Za Zhi JT - Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology JID - 9422648 RN - 0 (Dentin-Bonding Agents) RN - 0 (Methacrylates) RN - 0 (gluma desensitizer) RN - T3C89M417N (Glutaral) SB - IM MH - Acid Etching, Dental MH - Cementation MH - Dental Pulp MH - Dentin MH - Dentin Sensitivity/*prevention & control MH - *Dentin-Bonding Agents MH - Glutaral MH - Humans MH - Methacrylates MH - Microscopy, Electron, Scanning MH - Smear Layer EDAT- 2005/06/15 09:00 MHDA- 2014/10/09 06:00 CRDT- 2005/06/15 09:00 PHST- 2005/06/15 09:00 [pubmed] PHST- 2014/10/09 06:00 [medline] PHST- 2005/06/15 09:00 [entrez] PST - ppublish SO - Hua Xi Kou Qiang Yi Xue Za Zhi. 2005 Apr;23(2):130-2.