Lene Hystad Hove

• Nesvold, Marianne Bakke; Jensen, Janicke Liaaen; Hove, Lene Hystad; Singh, Preet Bano; Young, Alix; Palm, Øyvind; Andersen, Lene Frost; Carlsen, Monica Hauger & Iversen, Per Ole (2018). Dietary intake, body composition and oral health parameters among female patients with primary Sjögren’s syndrome. Nutrients.  ISSN 2072-6643.  10(866) . doi: 10.3390/nu10070866
• Fjeld, Katrine Gahre; Eide, Hilde; Mowe, Morten; Hove, Lene Hystad & Willumsen, Tiril (2017). Dental hygiene registration: development, and reliability and validity testing of an assessment scale designed for nurses in institutions. Journal of Clinical Nursing.  ISSN 0962-1067.  26(13-14), s 1845- 1853 . doi: 10.1111/jocn.13452 Vis sammendrag

  Abstract Aims and Objectives To develop and test the Dental Hygiene Registration (DHR), a dental hygiene assessment scale for nurses working in institutions. Background Removal of dental plaque is a key factor in preventing oral health related diseases. A simple, but reliable dental hygiene assessment scale that enables nurses to monitor residents’ dental hygiene on a daily basis, will improve monitoring oral hygiene status and quality of dental health care. Design Descriptive study on the development and evaluation of a dental hygiene registration instrument. Methods The DHR was developed and tested over several stages during the period of 2011–2014. DHR consists of a five-point-plaque score scale. The score indicates whether measures are needed. A reference group comprising both medical and dental personnel designed DHR. Dental plaque was used as a measure of dental hygiene. A pictorial series of teeth with varying amounts of plaque was used to achieve intra-examiner agreement. DHR assessments were scored fifty times to assess inter-examiner reliability between one dental hygienist and one clinical nurse. DHR was validated against the plaque index score of the Oral Hygiene Index (OHI-S). The Regional Ethics Committee approved the study (2011/915). Results Estimates for intra-examiner agreement on plaque score were good for the dental hygienist (kappa=0.7) and very good for the clinical nurse (kappa=0.8). Estimates for inter-examiner reliability for DHR between the dental hygienist and the clinical nurse was moderate (kappa=0.4). DHR corresponded significantly with OHI-S (Spearman's correlation coefficient=0.8, p<0.001) indicating good validity. Conclusion The developed DHR appears to be reliable and valid. This article is protected by copyright. All rights reserved.

• Rusthen, Shermin; Young, Alix; Herlofson, Bente Brokstad; Aqrawi, Lara Adnan; Rykke, Morten; Hove, Lene Hystad; Palm, Øyvind; Jensen, Janicke Liaaen & Singh, Preet Bano (2017). Oral disorders and oral health-related quality of life in patients with primary Sjögren’s Syndrome. European Journal of Oral Sciences.  ISSN 0909-8836.  125(4), s 265- 271 . doi: 10.1111/eos.12358 Fulltekst i vitenarkiv.
• Tashbayev, Behzod; Rusthen, Shermin; Young, Alix; Herlofson, Bente Brokstad; Hove, Lene Hystad; Singh, Preet Bano; Rykke, Morten; Aqrawi, Lara Adnan; Chen, Xiangjun; Utheim, Øygunn Aass; Utheim, Tor Paaske; Palm, Øyvind & Jensen, Janicke Liaaen (2017). Interdisciplinary, comprehensive oral and ocular evaluation of patients with primary Sjögren's syndrome. Scientific Reports.  ISSN 2045-2322.  7:10761, s 1- 9 . doi: 10.1038/s41598-017-10809-w Fulltekst i vitenarkiv.
• Hove, Lene Hystad; Stenhagen, Kjersti Refsholt; Mulic, Aida; Holme, Børge & Tveit, Anne Bjørg (2015). May caries-preventive fluoride regimes have an effect on dental erosive wear? An in situ study. Acta Odontologica Scandinavica.  ISSN 0001-6357.  73(2), s 114- 120 . doi: 10.3109/00016357.2014.956146 Vis sammendrag

  Objective. High and low concentration NaF regimes have shown caries protective properties, but the preventive effect against erosive/abrasive wear is unclear. Aim. To measure the inhibiting effect on enamel wear of low and highly concentrated sodium fluoride (NaF) toothpastes and a stannous (SnF2) fluoride gel in a single-blind, randomized in situ study, using a White Light Interferometer. Materials and methods. Sixteen human molars were each divided into four specimens, mounted on acrylic mouth appliances and worn by eight volunteers for 9 days. Experimental procedures were performed in the laboratory. The enamel specimens were brushed every day with fluoride-free toothpaste. Treatments; group 1: no fluoride treatment (control), group 2: SnF2 gel 2500 ppm F (5 min) every third day, group 3: NaF toothpaste 5000 ppm F 5 min every third day and 2 min the other days, group 4: NaF toothpaste 1450 ppm F (2 min) every day. In order to mimic gastric reflux/vomiting, the specimens were etched with 0.01 M HCl for 2 min twice a day. Results. The mean step height (µm) for the control specimens was −32.9 (SD = 6.8). The mean values for the other groups were −22.2 (SD = 8.4) (group 2), −30.8 (SD = 7.8) (group 3) and −31.4 (SD = 7.7) (group 4). Compared with the control, the SnF2 treated specimens showed significantly lower wear. The NaF toothpastes gave no significant protective effect. Conclusions. Application of SnF2 gel every third day gave protection against erosive–abrasive challenges. Daily application of both low concentration and high concentration NaF toothpaste provided no protection.

• Austin, Rupert; Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Tveit, Anne Bjørg; Moazzez, Rebecca & Bartlett, David (2014). The effect of single-application fluoride treatment on simulated gastric erosion and erosion-abrasion of enamel in vitro. International Journal of Prosthodontics.  ISSN 0893-2174.  27(5), s 425- 426 . doi: 10.11607/ijp.3956
• Hove, Lene Hystad; Stenhagen, Kjersti Refsholt; Holme, Børge & Tveit, Anne Bjørg (2014). The protective effect of SnF2 containing toothpastes and solution on enamel surfaces subjected to erosion and abrasion in situ. European Archives of Paediatric Dentistry.  ISSN 1818-6300.  15(4), s 237- 243 . doi: 10.1007/s40368-013-0107-7 Vis sammendrag

  Background: Stannous fluoride solutions have shown promising protective effect against erosion/abrasion, but the effect of SnF2 toothpastes is uncertain. Aim: The aim of the study was to test the inhibiting effect of two SnF2 toothpastes and a SnF2 solution against erosive/abrasive wear in a single-blind, randomised in situ study, using a white light interferometer. Methods: Sixteen human molars were each divided into four specimens, mounted on mouth appliances and worn by 8 volunteers for 9 days. Specimens were brushed with toothpaste twice each day for 30 s either with fluoride-free toothpaste or toothpastes including SnF2. Toothpaste was left on the surface for 90 additional seconds. Group 1, fluoride-free toothpaste; Group 2, toothpaste A (0.4 % SnF2, Solidox); Group 3, toothpaste B (0.454 % SnF2, Oral-B®); Group 4, brushed with fluoride-free toothpaste (30 s) and treated for 2 min with a 0.4 % SnF2 solution (1,000 ppm F). To mimic gastric reflux/vomit, specimens were etched for 2 min twice a day (0.01 M HCl). Procedures were performed extra-orally. Results: The mean enamel wear (in μm) for the control specimens was: −29.2 ± SD 10.5; for group 2 −14.5 SD ± 9.3; for group 3 −33.3 SD ± 7.4, and for group 4 +0.4 SD ± 1.3. The specimens treated with SnF2 solution and toothpaste A showed significantly lower enamel wear than the control group. Toothpaste B gave no significant reduction in enamel wear. Conclusions: The SnF2 solution fully protected the enamel surface against erosive and abrasive challenges. The SnF2 toothpaste A (Solidox) showed less, but significant protection of the enamel, while no statistically significant protection was demonstrated by SnF2 toothpaste B (Oral-B® Pro-Expert).

• Hove, Lene Hystad; Mulic, Aida; Tveit, Anne Bjørg; Stenhagen, Kjersti; Skaare, Anne B & Espelid, Ivar (2013). Registration of dental erosive wear on study models and intra-oral photographs. European Archives of Paediatric Dentistry.  ISSN 1818-6300.  14(1) . doi: 10.1007/s40368-012-0004-5
• Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Holme, Børge & Tveit, Anne Bjørg (2013). Enamel erosion depths measured on impressions by a white light interferometer. Acta Odontologica Scandinavica.  ISSN 0001-6357.  71(3-4), s 398- 403 . doi: 10.3109/00016357.2012.690527 Vis sammendrag

  Abstract Objective. To investigate if measurements of the step heights on an impression of eroded enamel surfaces may give reliable values of the etching depths measured directly on the enamel. Materials and methods. Twelve human enamel specimens, with one circular amalgam reference surface in each, were mounted on an epoxy block and ground flat. Baseline images were taken by a White Light Interferometer (WLI) followed by 12 min etch by 0.01 M HCl, pH 2.2. The mean etch depth on each specimen was calculated from three repeated measurements, both on the specimen surfaces and on the silicone polymer impressions of the surfaces. Paired samples t-test was used when comparing the precision of measurements on enamel vs on impression. Results. The mean lesion depths after 12 min etch measured on the 12 enamel surfaces and impressions were 9.9 µm and 10.6 µm, respectively. The direct and indirect measurements correlated well (r (2) = 0.95), with 7% higher mean etch depth measured on the impressions (p < 0.05). The reliability of three repeated measurements on enamel and impressions expressed by Intra Class Correlation (ICC) were 0.98 and 0.99, respectively. The average relative precisions of three repeated measurements on the 12 tooth and impression surfaces were (0.5 ± 0.1)% and (0.1 ± 0.02)%, respectively (p < 0.05). The accuracies were 0.4% and 7%, respectively. Conclusion. WLI gave reliable but slightly higher etch depth measurements on impressions compared to enamel surfaces.

• Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Holme, Børge & Tveit, Anne Bjørg (2013). The Effect of Daily Fluoride Mouth Rinsing on Enamel Erosive/Abrasive Wear in situ. Caries Research.  ISSN 0008-6568.  47(1), s 2- 8 . doi: 10.1159/000342619 Vis sammendrag

  It is not known whether application of fluoride agents on enamel results in lasting resistance to erosive/abrasive wear. We investigated if one daily mouth rinse with sodium fluoride (NaF), stannous fluoride (SnF(2)) or titanium tetrafluoride (TiF(4)) solutions protected enamel against erosive/abrasive wear in situ (a paired, randomised and blind study). Sixteen molars were cut into 4 specimens, each with one amalgam filling (measurement reference surface). Two teeth (2 × 4 specimens) were mounted bilaterally (buccal aspects) on acrylic mandibular appliances and worn for 9 days by 8 volunteers. Every morning, the specimens were brushed manually with water (30 s) extra-orally. Then fluoride solutions (0.4% SnF(2) pH 2.5; 0.15% TiF(4) pH 2.1; 0.2% NaF pH 6.5, all 0.05 M F) were applied (2 min). Three of the specimens from each tooth got different treatment, and the fourth served as control. At midday, the specimens were etched for 2 min in 300 ml fresh 0.01 M hydrochloric acid and rinsed in tap water. This etch procedure was repeated in the afternoon. Topographic measurements were performed by a white-light interferometer. Mean surface loss (±SD) for 16 teeth after 9 days was: SnF(2) 1.8 ± 1.9 µm, TiF(4) 3.1 ± 4.8 µm, NaF 26.3 ± 4.7 µm, control 32.3 ± 4.4 µm. Daily rinse with SnF(2), TiF(4) and NaF resulted in 94, 90 and 18% reduction in enamel erosive/abrasive wear, respectively, compared with control (p < 0.05). The superior protective effect of daily rinse with either stannous or titanium tetrafluoride solutions on erosive/abrasive enamel wear is promising.

• Austin, Rupert; Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Dunne, Stephen; Moazzez, Rebecca; Bartlett, David & Tveit, Anne Bjørg (2011). A qualitative and quantitative investigation into the effect of fluoride formulations on enamel erosion and erosion-abrasion in vitro. Journal of Dentistry.  ISSN 0300-5712.  39(10), s 648- 655 . doi: 10.1016/j.jdent.2011.07.006
• Hove, Lene Hystad; Holme, Børge; Stenhagen, Kjersti Refsholt & Tveit, Anne Bjørg (2011). Protective effect of TiF(4) solutions with different concentrations and pH on development of erosion-like lesions. Caries Research.  ISSN 0008-6568.  45(1), s 64- 68 . doi: 10.1159/000324155
• Mulic, Aida; Tveit, Anne Bjørg; Hove, Lene Hystad & Skaare, Anne B (2011). Dental erosive wear among Norwegian wine tasters. Acta Odontologica Scandinavica.  ISSN 0001-6357.  69(1), s 21- 26 . doi: 10.3109/00016357.2010.517554
• Mulic, Aida; Tveit, Anne Bjørg; Hove, Lene Hystad & Skaare, Anne B (2010). Dental erosive wear among Norwegian winetasters. Acta Odontologica Scandinavica.  ISSN 0001-6357.  69(1), s 21- 26 . doi: 10.3109/00016357.2010.517554
• Mulic, Aida; Tveit, Anne Bjørg; Wang, Nina Johanne; Hove, Lene Hystad; Espelid, Ivar & Skaare, Anne B (2010). Reliability of Two Clinical Scoring Systems for Dental Erosive Wear. Caries Research.  ISSN 0008-6568.  44(3), s 294- 299 . doi: 10.1159/000314811
• Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Holme, Børge; Taxt-Lamolle, Sebastien Francis Michel & Tveit, Anne Bjørg (2010). Comparing Different Methods to Assess Erosive Lesion Depths and Progression in vitro. Caries Research.  ISSN 0008-6568.  44(6), s 555- 561 . doi: 10.1159/000321536
• Hove, Lene Hystad; Holme, Børge; Young, Alix & Tveit, Anne Bjørg (2008). The protective effect of TiF4, SnF2 and NaF against erosion-like lesions in situ. Caries Research.  ISSN 0008-6568.  42 . doi: 10.1159/000112816
• Hove, Lene Hystad; Holme, Børge; Young, Alix & Tveit, Anne Bjørg (2007). The erosion-inhibiting effect of TiF4, SnF2, and NaF solutions on pellicle-covered enamel in vitro. Acta Odontologica Scandinavica.  ISSN 0001-6357.  65(5), s 259- 264 . doi: 10.1080/00016350701477581
• Hove, Lene Hystad; Young, Alix & Tveit, Anne Bjørg (2007). An in vitro study on the effect of TiF4 treatment against erosion by hydrochloric acid on pellicle-covered enamel. Caries Research.  ISSN 0008-6568.  41(1), s 80- 84 . doi: 10.1159/000096111
• Hove, Lene Hystad; Holme, Børge; Tveit, Anne Bjørg; Willumsen, Tiril & Øgaard, Bjørn (2006). The protective effect of TiF4, SnF2 and NaF on erosion of enamel by hydrochloric acid in vitro measured by white light interferometry. Caries Research.  ISSN 0008-6568.  40, s 440- 443 . doi: 10.1159/000094291
• Holme, Børge; Hove, Lene Hystad & Tveit, Anne Bjørg (2005). Holme B, Hove L, Tveit AB: Using White Light Interferometry to measure etching of dental enamel. Measurement (London).  ISSN 0263-2241.  (38), s 137- 147

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• Tashbayev, Behzod; Chen, Xiangjun; Utheim, Øa; Rusthen, Shermin; Young, Alix; Herlofson, Bente Brokstad; Hove, Lene Hystad; Singh, Preet Bano; Rykke, Morten; Aqrawi, Lara Adnan; Utheim, Tor Paaske; Garen, Torhild Oddveig; Palm, Øyvind & Jensen, Janicke Liaaen (2018). Primary Sjögren´s Syndrome and Non-Sjögren´s Sicca Syndrome Patients; unexpected differences in symptoms and findings of dry eye disease, dry mouth, and oral health related quality of life.
• Gay, Caryl; Monsen, Ragnhild Elisabeth; Saghaug, Elisabeth; Herlofson, Bente Brokstad; Fjeld, Katrine Gahre; Hove, Lene Hystad; Tollisen, Anita; Sundal, Tone; Tallang, Oddveig Utheim; Slaaen, Joran & Lerdal, Anners (2017). Oral health symptoms that interfere with eating and drinking among hospice patient.
• Hove, Lene Hystad; Young, Alix; Hjortsjø, Carl; Stevning, Karen & Løvik, Sara Emilie (2017). Effect of Whitening Toothpastes on Dental Enamel In Vitro.
• Jensen, Janicke Liaaen; Herlofson, Bente Brokstad & Hove, Lene Hystad (2017). Spyttet vårt er livsviktig. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
• Jensen, Janicke Liaaen; Herlofson, Bente Brokstad; Young, Alix; Hove, Lene Hystad & Galtung, Hilde (2017). Verdien av spytt.
• Rusthen, Shermin; Young, Alix; Preet, Bano; Tashbayev, Behzod; Garen, Torhild Oddveig; Aqrawi, Lara A.; Rykke, Morten; Hove, Lene Hystad; Herlofson, Bente Brokstad; Palm, Øyvind & Jensen, Janicke Liaaen (2017). Is Health-related Quality of Life Correlated to Oral Status in Primary Sjögren’s Syndrome Patients?.
• Tashbayev, Behzod; Rusthen, Shermin; Chen, X; Utheim, Tor Paaske; Utheim, Øygunn Aass; Young, Alix; Herlofson, Bente Brokstad; Aqrawi, Lara Adnan; Rykke, Morten; Hove, Lene Hystad; Palm, Øyvind & Jensen, Janicke Liaaen (2017). Dry Mouth and Dry Eye Examinations of a Norwegian Cohort of Primary Sjögren´s Syndrome Patients.
• Hove, Lene Hystad; Aqrawi, Lara Adnan; Rusthen, Shermin; Young, Alix; Rykke, Morten; Herlofson, Bente Brokstad; Singh, Preet Bano; Palm, Øyvind; Utheim, Tor Paaske & Jensen, Janicke Liaaen (2016). Establishment of a Dry Mouth Clinic at the Faculty of Dentistry, University of Oslo, Norway.
• Monsen, Ragnhild Elisabeth; Saghaug, Elisabeth; Herlofson, Bente Brokstad; Fjeld, Katrine Gahre; Hove, Lene Hystad; Tallang, Oddveig Utheim; Tollisen, Anita; Sundal, Tone; Slaaen, Joran & Lerdal, Anners (2016). Munntørrhet hos palliative pasienter - en randomisert kontrollert studie i en hospiceenhet.
• Rusthen, Shermin; Singh, Preet Bano; Young, Alix; Aqrawi, Lara Adnan; Rykke, Morten; Hove, Lene Hystad; Herlofson, Bente Brokstad; Palm, Øyvind & Jensen, Janicke Liaaen (2016). Oral quality of life, salivary, gustatory and olfactory status in patients with primary Sjögren’s syndrome.
• Singh, Preet Bano; Rusthen, Shermin; Aqrawi, Lara A.; Young, Alix; Rykke, Morten; Hove, Lene Hystad; Herlofson, Bente Brokstad; Palm, Øyvind & Jensen, Janicke Liaaen (2016). Chemosensory disorders, burning mouth sensation, and halitosis in patients with Sjögren’s syndrome.
• Young, Alix; Rusthen, Shermin; Aqrawi, Lara Adnan; Rykke, Morten; Hove, Lene Hystad; Herlofson, Bente Brokstad; Singh, Preet Bano; Palm, Øyvind & Jensen, Janicke Liaaen (2016). Dental health status of patients diagnosed with primary Sjögren's Syndrome. Vis sammendrag

  This clinical study aims to assess some oral health parameters in patients diagnosed with primary Sjögren’s Syndrome (pSS), and is part of a larger project studying groups of patients suffering from dry mouth. Material and methods: Twenty female pSS patients (mean age 54±12.7y) and 32 healthy controls (mean age 50±12.4y), were recruited to the study and examined at a newly established Dry Mouth Clinic at the Faculty of Dentistry, University of Oslo, after giving written consent. A questionnaire was filled out and clinical and radiological examinations were performed. Differences between the patient and control groups were calculated using t-test or Chi-squared tests. Results: Approximately 1/3 of patients considered their general and oral health as ‘poor’ or ‘very poor’. No controls considered their general health as ‘poor’ or ‘very poor’, and only 1 control considered their oral health as ‘poor’ or ‘very poor’. Ninety percent of patients and 75% of controls had visited the dentist within the last year. There was no between-group difference in the mean number of teeth present (patients 25.5±2.7; controls 26.1±3.8). The patients had higher mean caries experience: DMFT (patients: 18.0±6.45; controls 12.9±7.26, p=0.014), FT (patients: 15.35±5.77; controls 11.28±6.10, p=0.02), and D3-5T (patients: 0.60±0.94; controls: 0.28±0.58, p=0.136). Visible plaque was observed in 30% of patients and 9.4% of controls (p=0.056). Signs of gingivitis were observed in 25% of patients and 6% of controls (p=0.054). Conclusion: Compared to controls, pSS patients reported poorer general and oral health. They had significantly higher dental caries experience, and a tendency to more plaque and gingivitis. However, the pSS patients reported visiting their dentist more regularly than the controls, suggesting an awareness of the oral consequences of reduced salivary function.

• Monsen, Ragnhild Elisabeth; Saghaug, Elisabeth; Herlofson, Bente Brokstad; Fjeld, Katrine Gahre; Hove, Lene Hystad; Tollissen, Anita; Sundal, Tone & Lerdal, Anners (2015). Munnskylling med te av Salvia Officinalis som del av palliativ behandling - fra gode erfaringer til en klinisk forskningsstudie.
• Hove, Lene Hystad; Stenhagen, Kjersti Refsholt; Holme, Børge & Tveit, Anne Bjørg (2013). The protective effect of SnF2 containing toothpastes and solution on enamel surfaces subjected to erosion and abrasion in situ.
• Hove, Lene Hystad; Stenhagen, Kjersti Refsholt; Mulic, Aida; Holme, Børge & Tveit, Anne Bjørg (2012). Protective effect of fluoride toothpastes or fluoride gel against erosive/ abrasive wear, an in-situ study.
• Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Holme, Børge & Tveit, Anne Bjørg (2012). The effect of daily fluoride mouth rinse against enamel erosive/abrasive wear in situ.
• Hove, Lene Hystad; Stenhagen, Kjersti Refsholt; Holme, Børge & Tveit, Anne Bjørg (2011). Enamel erosion depths measured on impressions by a White Light Interferometer.
• Stenhagen, Kjersti Refsholt; Austin, Rupert; Hove, Lene Hystad; Tveit, Anne Bjørg; Festy, Fred; Moazzezz, Rebecca & Bartlett, David (2011). The Effect of Topical Fluorides on Enamel Volume Loss from Erosion and Erosion-Abrasion in vitro.
• Hove, Lene Hystad; Tveit, Anne Bjørg; Stenhagen, Kjersti Refsholt & Holme, Børge (2010). Protective effect of TiF4 solution with different concentrations and pH on development of erosion-like lesions.
• Stenhagen, Kjersti Refsholt; Hove, Lene Hystad; Tveit, Anne Bjørg & Kvam, Ketil (2010). Appearance of natural enamel after topical fluoride treatments and abrasion in vitro.
• Hove, Lene Hystad; Holme, Børge; Stenhagen, Kjersti Refsholt & Tveit, Anne Bjørg (2009). Comparing four techniques for analyzing erosive tooth loss and progression in vitro.
• Mulic, Aida; Tveit, Anne Bjørg; Wang, Nina Johanne; Hove, Lene Hystad; Espelid, Ivar & Skaare, Anne B (2009). Testing the Reliability of Two Clinical Scoring Systems for Dental Erosion.
• Hove, Lene Hystad; Tveit, Anne Bjørg & Øgaard, Bjørn (2008). The inhibiting effect of TiF4, SnF2 and NaF on erosion-like lesions in-vitro and in-situ.
• Mulic, Aida; Tveit, Anne Bjørg; Hove, Lene Hystad; Wang, Nina Johanne & Skaare, Anne B (2008). Testing a visual index for dental erosion.
• Mulic, Aida; Tveit, Anne Bjørg; Hove, Lene Hystad; Wang, Nina Johanne & Skaare, Anne B (2008). Testing a visual index for dental erosion. European Archives of Paediatric Dentistry.  ISSN 1818-6300.  s 29- 29
• Skaar, Mari; Mulic, Aida; Hove, Lene Hystad; Young, Alix & Tveit, Anne Bjørg (2006). Erosive effect of acidic drinks and acids on bovine enamel in vitro.
• Holme, Børge; Hove, Lene Hystad & Tveit, Anne Bjørg (2005). Accurate measurement of erosion-like lesions in vitro using White Light Interferometry.
• Hove, Lene Hystad; Tveit, Anne Bjørg; Øgaard, Bjørn; Young, Alix & Holme, Børge (2005). The protective effect of TiF4, SnF2 and NaF against erosion-like lesions in pellicle-covered enamel.
• Young, Alix; Hove, Lene Hystad; Kohli, Priya & Tveit, Anne Bjørg (2005). An in vitro study on the effect of titanium fluoride pre-treatment of enamel against acid attack. Vis sammendrag

  Today�s lifestyle in many ways promotes the acidic destruction of tooth substance: dental erosions. Simple measures are needed to prevent serious treatment problems after long exposure to acids. The aim of the present study was to examine the effect of fluoride treatment (simulating professional F-application) on enamel exposed to an acidic challenge aimed at simulating gastric reflux. 16 bovine anterior teeth were sectioned to obtain 4 pieces large enough to locate a circular enamel window (4mm diameter). Nail varnish was used to block out the surrounding tooth substance. Specimens were dealt into 4 groups: group 1- control (no treatment), group 2- pellicle (2-h); group 3- titanium fluoride (TiF4) pre-treatment (2min, 0.5M F-) and group 4- pellicle + TiF4 pre-treatment. Pellicle was created by 2-h incubation of tooth specimens in freshly collected, clarified paraffin wax-stimulated human whole saliva pooled from 5 healthy subjects. Specimens in groups 3 and 4 were then subjected to 3-ml TiF4-solution for 2min under gentle agitation. All specimens were subsequently subjected to 3ml 0.01M HCl stepwise for 4+4+4 min, and the acid aliquots retained for calcium analysis in a Model 3300 Atomic Absorption Spectrophotometer, Perkin Elmer Analytical Instruments (Norwalk, CT, USA). Statistical analysis (one-way ANOVA/Bonferroni) showed that TiF4 reduced Ca-release from enamel by 75, 62 and 57% respectively compared with the control after the three acid exposures (p<0.05). The effect of TiF4 on pellicle-covered enamel was slightly better than for TiF4 alone, but this was not significant. These results may suggest that pre-treatment of enamel with a TiF4 solution with or without pellicle-removal provides protection for the enamel against acid attack.

• Hove, Lene Hystad (2005). The protective effect of TiF4, SnF2 and NaF against erosion-like lesions in pellicle-covered enamel.
• Hove, Lene Hystad; Tveit, Anne Bjørg; Willumsen, Tiril; Øgaard, Bjørn & Holme, B: (2004). The inhibiting effect of TiF4, SnF2 and NaF on development of erosion-like lesions in human enamel. European Journal of Paediatric Dentistry.  ISSN 1591-996X.  (5)

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