Amin Homayouni

• Thieu, Minh Khai Le; Homayouni, Amin; Hæren, Lena Ringsby; Tiainen, Hanna; Verket, Anders & Ellingsen, Jan Eirik [Show all 13 contributors for this article] (2021). Impact of simultaneous placement of implant and block bone graft substitute: an in vivo peri-implant defect model. Biomaterials Research. ISSN 1226-4601. 25(43). doi: 10.1186/s40824-021-00245-3. Full text in Research Archive
• Singh, Preet Bano; Young, Alix; Homayouni, Amin; Hove, Lene Hystad; Petrovski, Beata & Herlofson, Bente Brokstad [Show all 9 contributors for this article] (2019). Distorted Taste and Impaired Oral Health May Affect Nutritional Status in Patients with Sicca Complaints. Nutrients. ISSN 2072-6643. 11(2). doi: 10.3390/nu11020264. Full text in Research Archive

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• Homayouni, Amin; Tashbayev, Behzod; Rusthen, Shermin; Hove, Lene Hystad; Rykke, Morten & Singh, Preet Bano [Show all 9 contributors for this article] (2018). Can saliva secretion affect oral malodour and oral health-related quality of life? Show summary

  The aim of this study was to investigate the relationship between saliva secretion, halitosis and oral health-related quality of life (HRQoL). Informed consent was obtained from 65 participants including 24 patients with primary Sjögren’s Syndrome (pSS, 53±12y), 17 patients with dry eyes and dry mouth not fulfilling the classification for pSS (non-SS-sicca, 53±11y), and 24 healthy controls (49±11y). Unstimulated (UWS) and stimulated (SWS) whole saliva secretion rates were recorded as low (hyposalivation: SWS <0.7 ml/min, UWS <0.1 ml/min) or normal (SWS >0.7 ml/min, UWS >0.1 ml/min). Volatile sulfur compounds (VSC: hydrogen sulphide-H2S, methylmercaptan-CH3SH) in mouth air were measured by gas chromatography. HRQoL was assessed using the Oral Health Impact Profile-14 (OHIP-14). Mann-Whitney test was used in data analysis (p<0.05). In general, for UWS, subjects with hyposalivation had significantly higher mean CH3SH-levels than those with normal salivation (27.339.3 vs 9.913.6 ppb). For SWS, subjects with hyposalivation had significantly higher mean H2S-levels (184.5464.8 vs 43.964.1 ppb) and CH3SH-levels (27.237.4 vs 6.58.9 ppb). Within the non-SS patient group, those with hyposalivation had significantly higher H2S-levels than those with normal salivation. In general, there were no significant differences in OHIP-scores based on VSC levels. However, within the non-SS group, those with high H2S-levels (>112 ppb) reported significantly more often that they had “difficulties relaxing due to oral problems”, and that “life has been less satisfactory due to oral problems”, than those with low H2S-levels (<112 ppb). In conclusion, hyposalivation was generally associated with increased levels of oral VSC, indicating oral malodour. Surprisingly, patients with dry eyes and dry mouth who did not fulfill the classification for pSS seemed to be more affected in their daily life than patients who fulfilled the criteria.

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