Academic literature review

• Fristad, Inge; Haug, Sivakami Rethnam; Bårdsen, Asgeir (2024). Biological properties versus solubility of endodontic sealers and cements. (external link)
• Bårdsen, Asgeir; Midtbø, Marit (2018). Tandskader og eksterne rodresorptioner. (external link)
• Haug, Sivakami Rethnam; Fristad, Inge; Skeie, Marit Slåttelid et al. (2014). Biological principles for treatment of immature permanent teeth with pulpal pathosis. (external link)
• Skaug, Nils; Berge, Trond Inge; Bårdsen, Asgeir (2005). Akuta infektioner. (external link)
• Skaug, Nils; Berge, Trond Inge; Bårdsen, Asgeir (2005). Akutte infeksjoner. (external link)

Academic article

• Kvinnsland, Siv Else Kristine Rosendorf; Hellem, Sølve; Fristad, Inge et al. (2023). Natriumhypokloritt og kompliksasjoner i odontologisk praksis. (external link)
• Johnsen, Isabell; Bårdsen, Asgeir; Haug, Sivakami Rethnam (2023). Impact of Case Difficulty, Endodontic Mishaps, and Instrumentation Method on Endodontic Treatment Outcome and Quality of Life: A Four-Year Follow-up Study. (external link)
• Beyene, Madeleine Misje Roman; Bårdsen, Asgeir; Klock, Kristin S. et al. (2023). Orthodontic management of traumatic dental injuries in Norway and orthodontists' perceptions of referral routines: A quality assurance survey. (external link)
• Christensen, Hanne Quist; Linde, Brita Ringereide; Bårdsen, Asgeir et al. (2022). Influence of dental education on adoption and integration of technological aids in the delivery of endodontic care by dental practitioners: a survey. (external link)
• Mohamed RW, Ali; Mustafa, Manal; Bårdsen, Asgeir et al. (2021). Differential Responses of Human Dental Pulp Stromal Cells to Bioceramic Materials: A Comparative In Vitro Study. (external link)
• Bratteberg, Magnus Holmøy; Thelen, Dorina Sula; Klock, Kristin et al. (2020). Traumatic dental injuries and pulp sequelae in an adolescent population. (external link)
• Haug, Sivakami Rethnam; Linde, Brita Ringereide; Christensen, Hanne Quist et al. (2020). An investigation into security, self-confidence and gender differences related to undergraduate education in Endodontics. (external link)
• Bratteberg, Magnus Holmøy; Thelen, Dorina Sula; Klock, Kristin et al. (2019). Traumatic dental injuries and experiences along the life course - a study among 16-yr-old pupils in western Norway. (external link)
• Stenhagen, Sebastian; Skeie, Haakon; Bårdsen, Asgeir et al. (2019). Influence of the coronal restoration on the outcome of endodontically treated teeth. (external link)
• Ali, Mohamed Abdel-Raouf Abdel-Waha; Mustafa , Manal ; Bårdsen, Asgeir et al. (2019). Fracture resistance of simulated immature teeth treated with a regenerative endodontic protocol.. (external link)
• Ali, Mohamed R. W.; Mustafa , Manal ; Bårdsen, Asgeir et al. (2019). Tricalcium silicate cements: osteogenic and angiogenic responses of human bone marrow stem cells. (external link)
• Haug, Sivakami Rethnam; Solfjeld, Ane F.; Ranheim, Line E. et al. (2018). Impact of Case Difficulty on Endodontic Mishaps in an Undergraduate Student Clinic. (external link)
• Bratteberg, Magnus Holmøy; Thelen, Dorina Sula; Klock, Kristin et al. (2018). Traumatic dental injuries : prevalence and severity among 16-year-old pupils in western Norway. (external link)
• Skeie, Marit Slåttelid; Evjensvold, Trine; Hoff, Thu Hue et al. (2015). Traumatic dental injuries as reported during school hours in Bergen. (external link)
• Ungerechts, Claus; Bårdsen, Asgeir; Fristad, Inge (2014). Instrument fracture in root canals - where, why, when and what? A study from a student clinic. (external link)
• Masumo, Ray; Birungi, Nancy; Bårdsen, Asgeir et al. (2014). Impact of low birthweight on early childhood caries in 6-36 months old infants in Uganda: A cross-sectional study. (external link)
• Masumo, Ray; Bårdsen, Asgeir; Mashoto, Kijakazi Obed et al. (2013). Feeding practice among 6-36 months old children in Tanzania and Uganda: Reliability and relationship with early childhood caries, ECC. (external link)
• Vilhjalmsson, Vilhjalmur Helgi; Klock, Kristin; Størksen, Kjell Steinar et al. (2013). Radiological evaluation of single implants in maxillary anterior sites with special emphasis on their relation to adjacent teet - a 3-year follow-up study. (external link)
• Haug, Sivakami Rethnam; Fristad, Inge; Skeie, Marit Slåttelid et al. (2013). Biologiske prinsipp for behandling av umodne permanente tenner med skadet pulpa. (external link)
• Masumo, Ray; Bårdsen, Asgeir; Åstrøm, Anne Nordrehaug (2013). Developmental defects of enamel in primary teeth and association with early life course events: a study of 6-36 month old children in Manyara, Tanzania. (external link)
• Tronesvold, Per Christian; Sundli, Stian Bremvåg; Fristad, Inge et al. (2013). Diagnoseavvik i endodontisk behandling - en studie basert på avviksregistrering. (external link)
• Sivertsen, Tine Birkeland; Vilhjalmsson, Vilhjalmur Helgi; Fristad, Inge et al. (2013). Endodontisk behandling av umodne permanente tenner. (external link)
• Masumo, Ray; Bårdsen, Asgeir; Mashoto, Kijakazi Obed et al. (2012). Prevalence and socio-behavioral influence of early childhood caries, ECC, and feeding habits among 6-36 months old children in Uganda and Tanzania. (external link)
• Masumo, Ray; Bårdsen, Asgeir; Mashoto, Kijakazi Obed et al. (2012). Child-and family impacts on infants' oral condition in Tanzania and Uganda-a cross sectional study. (external link)
• Haug, Sivakami Rethnam; Fristad, Inge; Skeie, Marit Slåttelid et al. (2012). Biologiske prinsipp for behandling av umodne permanente tenner med pulpaskade. (external link)
• Thelen, Dorina Sula; Bårdsen, Asgeir; Åstrøm, Anne Nordrehaug (2011). Applicability of an Albanian version of the OIDP in an adolescent population. (external link)
• Thelen, Dorina Sula; Trovik, Tordis Agnete; Bårdsen, Asgeir (2011). Impact of traumatic dental injuries with unmet treatment need on daily life among Albanian adolescents: a case-control study. (external link)
• Vilhjalmsson, Vilhjalmur Helgi; Knudsen, Gro C.; Grung, Bjarte et al. (2011). Dental auto-transplantation to anterior maxillary sites. (external link)
• Vilhjalmsson, Vilhjalmur Helgi; Klock, Kristin; Størksen, Kjell Steinar et al. (2011). Aesthetics of implant-supported single anterior maxillary crowns evaluated by objective indices and participants' perceptions. (external link)
• Kvinnsland, Siv Rosendorf; Bårdsen, Asgeir; Fristad, Inge (2010). Apexogenesis after initial root canal treatment of an immature maxillary incisor - a case report. (external link)
• Iden, Ole; Bårdsen, Asgeir; Fristad, Inge (2010). Feilslag ved lokalanestesi - mekanismer, årsaker og strategier. (external link)
• Pendrys, David G.; Haugejorden, Ola; Bårdsen, Asgeir et al. (2010). The risk of enamel fluorosis and caries among Norwegian children. Implication for Norway and the United States. (external link)
• Skeie, Marit Slåttelid; Audestad, Esther Birgitte; Bårdsen, Asgeir (2010). Traumatic dental injuries - knowledge and awareness among present and prospective teachers in selected urban and rural areas of Norway. (external link)
• Thelen, Dorina Sula; Bårdsen, Asgeir (2010). Traumatic dental injuries in an urban adolescent population in Tirana, Albania. (external link)
• Kvinnsland, Siv Rosendorf; Bårdsen, Asgeir; Fristad, Inge (2009). Prioner og endodonti - engangs- eller flergangsbruk av rotkanalinstrumenter?. (external link)
• Iden, Ole; Bårdsen, Asgeir; Fristad, Inge (2009). Temporære materialer og lekkasje i forbindelse med endodontisk behandling. (external link)
• Hansen, Hanne Haukeland; Henriksen, Camilla Eldrup; Fristad, Inge et al. (2008). Infeksjonsrelaterte endodontiske eksaserbasjoner - en studie basert på avviksregistrering. (external link)
• Skau, Irene; Bårdsen, Asgeir; Grytten, Jostein (2007). Spesialistpraksis i endodonti 2007. (external link)
• Ruan, Jian Ping; Bårdsen, Asgeir; Åstrøm, Anne Nordrehaug et al. (2007). Dental fluorosis in children in areas with fluoride-polluted air, high-fluoride water, and low-fluoride water as well as low-fluoride air: A study of deciduous and permanent teeth in the Shaanxi province, China. (external link)
• Hekland, Hege; Fristad, Inge; Bårdsen, Asgeir (2006). Pulpainflammasjon og apikal rotresorpsjon. (external link)
• Wondwossen, Fantaye; Åstrøm, Anne Nordrehaug; Bjorvatn, Kjell et al. (2006). Sociodemographic and behavioural correlates of severe dental fluorosis. (external link)
• Ruan, Jian Ping; Wang, Zhi-Lun; Yang, Zhuang-Qun et al. (2005). Dental fluorosis in primary teeth: a study in rural schoolchildren in Shaanxi Peovince, China. (external link)
• Ruan, Jian Ping; Yang, Zhuang-Qun; Wang, Zhi-Lun et al. (2005). Dental fluorosis and dental caries in permanent teeth: rural schoolchildren in high-fluoride areas in the Shaanxi province, China. (external link)
• Skaug, Nils; Berge, Trond Inge; Bårdsen, Asgeir (2005). Akutte infeksjoner. (external link)
• Wondwossen, Fantaye; Åstrøm, Anne Nordrehaug; Bjorvatn, Kjell et al. (2004). The relationship between dental caries and dental fluorosis in areas with moderate- and high-fluoride drinking water in Ethiopia. (external link)
• Helland, Elisabeth Haugarvoll; Fristad, Inge; Bårdsen, Asgeir et al. (2003). Avviksregistrering i endodonti - illustrert med 13 kasus fra en studentklinikk. (external link)
• Wondwossen, Fantaye; Åstrøm, Anne-Kristine Nodrehaug; Bårdsen, Asgeir et al. (2003). Perception of dental fluorosis amongst Ethiopian children and their mothers. (external link)
• Fantaye, Wondwossen; Åstrøm, Anne-Kristine Nodrehaug; Bårdsen, Asgeir et al. (2002). Perception of dental fluorosis among adolescents in two urban areas of Ethiopia. (external link)
• Fristad, Inge; Bårdsen, Asgeir; Knudsen, Gro et al. (2002). Prodromal herpes zoster - a diagnostic challenge in endodontics. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir (2002). Grunnvann og helse. Refleksjoner på grunnlag av analyse av vannprøver fra Hordaland og Vestfold. (external link)
• Fristad, Inge; Hagen, Signe Omdal; Bårdsen, Asgeir et al. (2000). Lateral breakdown of nonendodontic origin adjacent to maxillary left incisors. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell; Sand, Kari et al. (1999). Seasonal variations of fluoride content in ground water from wells drilled in bedrock. (external link)
• Bårdsen, Asgeir; Klock, Kristin Solveig; Bjorvatn, Kjell (1999). Dental fluorosis in selected high- and low-fluoride areas of Norway. (external link)
• Bårdsen, Asgeir; Klock, Kristin; Bjorvatn, Kjell (1999). Dental fluorosis among persons exposed to high- and low-fluoride drinking water in western Norway. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1998). Risk periods in the development of dental fluorosis. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir (1997). Grunnvann og helse. Refleksjoner av analyse av vannprøver fra Hordaland og Vestfold. (external link)
• Bjorvatn, Kjell; Bårdsen, A.; Reimann, Clemens et al. (1997). Grunnvann og helse - refleksjoner på grunnlag av analyse av vannprøver fra Hordaland og Vestfold. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell; Selvig, Knut A. (1996). Variability in fluoride content of subsurface water reservoirs. (external link)
• Reimann, C; Hall, GEM; Slewers, U et al. (1995). Trace element content of 150 hardrock groundwater samples from the surroundings of Bergen and Oslo. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir; Thorkildsberg, A.H. et al. (1994). Fluorid i norsk grunnvann: en ukjent helsefaktor. (external link)

Poster

• Christensen, Hanne Quist; Linde, Brita Ringereide; Vilhjalmsson, Vilhjalmur Helgi et al. (2022). A survey on the influence of dental education on the adoption and integration of technology by dental practitioners . (external link)
• Aria, Mahkameh Nicole; Bårdsen, Asgeir; Thelen, Dorina Sula (2018). Traumatic dental injuries in an orthodontic population. (external link)
• Ali, Mohamed; Mustafa, Manal; Bårdsen, Asgeir et al. (2017). Bioceramics’ Effect On Strength Of Immature Teeth Treated With Regenerative-Endodontic-Protocol. (external link)
• Ali, Mohamed; Mustafa, Manal; Bårdsen, Asgeir et al. (2017). Effect of MTA®, Biodentine™, and TotalFill® on proliferation, osteogenic and angiogenic differentiation of human bone marrow stem cells in vitro. (external link)
• Ane F., Solfjeld; Ranheim, Line E.; Bårdsen, Asgeir et al. (2016). Use of engine driven and hand instrumentation techniques in undergraduate clinic. A study of case difficulty, procedural errors and user satisfaction.. (external link)
• Ungerechts, Claus; Bårdsen, Asgeir; Fristad, Inge (2013). Instrument fracture in root canals - where, why, when and what? A study from a student clinic. (external link)
• Virtej, Anca; Bårdsen, Asgeir; Haug, Sivakami Rethnam et al. (2013). Sequelae after traumatic dental injury in an adult patient. A case report. (external link)
• Masumo, Ray; Bårdsen, Asgeir; Åstrøm, Anne Nordrehaug (2011). Applicability of the Early Childhood Oral health Impact Scale (ECOHIS). (external link)
• Thelen, Dorina Sula; Trovik, Tordis Agnete; Bårdsen, Asgeir (2008). Impact of dental traumatic injuries with treatment need on the oral health-related quality of life of adolescents in Tirana, Albania. (external link)
• Vilhjalmsson, Vilhjalmur Helgi; Klock, Kristin; Størksen, Kjell et al. (2008). Aesthetics of implant-supported single crowns in the anterior maxilla. (external link)
• Vilhjalmsson, Vilhjalmur Helgi; Knudsen, Gro C.; Grung, Bjarte et al. (2008). Autotransplantation of teeth to the maxillary anterior region. (external link)
• Pendrys, David; Haugejorden, Ola; Bårdsen, Asgeir et al. (2005). Enamel fluorosis, non-fluoride opacities, and caries among Norwegian children. (external link)
• Ping, Ruan; Lun, WZ; Qun, YZ et al. (2004). Dental fluorosis in primary teeth a study in rural schoolchildren in Shaanxi province, China. (external link)
• Ping, Ruan; Qun, YZ; Lun, WZ et al. (2004). Dental fluorosis in rural schoolchildren in the Shaanxi province, China. (external link)
• Bårdsen, Asgeir; Grung, Bjarte; Knudsen, Gro et al. (2003). Root resorption in autotransplanted teeth: a study from Rogaland, Norway. (external link)
• Fristad, Inge; Helland, Elisabeth Haugarvoll; Bårdsen, Asgeir (2003). Self-assessment and quality registration in an undergraduate endodontic curriculum. (external link)
• Wondvossen, Fantaya; Åstrøm, Anne Nordrehaug; Bårdsen, Asgeir et al. (2002). Perception of fluorotic teeth among Ethiopian children and mothers. (external link)
• Bårdsen, Asgeir; Klock, Kristin; Bjorvatn, Kjell (1996). Dental fluorosis in selected areas in Norway. Risk factors. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1995). Fluoride content of Norwegian ground water. (external link)

Masters thesis

• Jonsson, Malin Viktoria; Haug, Helene; Andresen, Amanda Karoline Helsøe et al. (2021). Når kart og terreng ikke stemmer – CBCT av oppspiste røtter. (external link)

Academic lecture

• Bratteberg, Magnus Holmøy; Thelen, Dorina Sula; Klock, Kristin et al. (2018). Multiple episodes of traumatic dental injuries and related life course events. (external link)
• Bårdsen, Asgeir; Gjerde, Cecilie Gudveig; Knudsen, Gro Christin (2005). Gråt og tenners gnissel - akuttpasienten i tannlegepraksis. (external link)
• Wang, Nina J.; Bårdsen, Asgeir (2002). Risk factors and risk periods for development of dental fluorosis. (external link)
• Bjorvatn, Kjell; Fantaye, Wondwossen; Degu, Shifera et al. (2002). Dental fluorosis in the deciduous dentition of Ethiopian children. (external link)
• Bårdsen, Asgeir (2002). Rasjonell håndtering av akutte endodontiske problemstillinger. (external link)
• Mashoto, K; Åstrøm, Anne-Kristine Nodrehaug; Bårdsen, Asgeir (2000). Dental fluorosis and subjective oral health indicators -preliminary results from a study of secondary school children in northern Tanzania. (external link)
• Fataye, Wondwossen; Åstrøm, Anne-Kristine Nodrehaug; Bårdsen, Asgeir et al. (2000). Perception of dental fluorosis among adolescents in urban areas of Ethiopia. (external link)
• Bårdsen, Asgeir; Wonvossen, Fantaye; Åstrøm, Anne Nordrehaug (1999). Perceptions of dental fluorosis among adolescents in Ethiopia. (external link)
• Bårdsen, Asgeir (1999). Dental fluorosis in subjects exposed to fluoride containing drinking water at different age. (external link)
• Kvalheim, Arild; Bjorvatn, Kjell; Bårdsen, Asgeir (1999). Significance of elevation on fluoride binding capacity of Ethiopian soils. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1998). Dental fluorosis in subjects exposed to fluoride containing drinking water at different age. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir; Tekla-Haimanot, R (1998). Defluoridation of drinking water by the use of clay/soil. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1998). Risk of dental fluorisis when exposed to high-fluoride water at different age. (external link)
• Kvalheim, A; Bjorvatn, Kjell; Bårdsen, Asgeir et al. (1998). Significance of elevation on fluoride binding capaciyt of Ethiopian soils. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir; Kjellevold, Marian (1996). Lateritt, et mulig medium for vannbehandling i høyfluorid områder i utviklingsland. (external link)
• Bårdsen, Asgeir (1996). Sesongmessige variasjoner i fluoridinnhold i norsk grunnvann. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir; Tekle-Haimanot, Redda (1996). Defluoridation of drinking water by the use of clay/soil. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1996). Fluoride sorption isoterm on fired clay. (external link)

Popular scientific lecture

• Fristad, Inge; Bårdsen, Asgeir; Gro Christine, Knudsen (2012). Endodontiens "sjoner". Utvalgte endodontiske problemområder. Reprise. (external link)
• Fristad, Inge; Bårdsen, Asgeir; Gro Christine, Knudsen (2011). Endodontiens "sjoner". Utvalgte endodontiske problemområder. (external link)
• Bårdsen, Asgeir (2007). Rotresorpsjon - bare rot?. (external link)
• Bårdsen, Asgeir; Knudsen, Gro C. (2006). Loosing your nerve? Håndtering av akutte smerter og infeksjoner i tannlegepraksis. (external link)
• Bårdsen, Asgeir; Knudsen, Gro C. (2006). Endodontsik taktikk og diagnostikk. (external link)
• Bårdsen, Asgeir (2004). Tenner på flyttefot - hvordan trives de?. (external link)
• Bårdsen, Asgeir (1996). Evaluering av studiet og undervisningen ved Det odontologiske fakultet, UiB. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir (1995). On defluoridation of drinking water by the use of fired clay. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1995). Fluoride adsorption isotherm in fired clay. (external link)
• Bårdsen, Asgeir (1994). Fluorid i norsk grunnvann - en ukjent bakgrunnsfaktor for oral helse. (external link)

Editorial

• Bårdsen, Asgeir (2011). Summary of: Sealing ability of mineral trioxide aggregate, glass ionomer cement and composite resin when repairing large furcal perforations. (external link)

Short communication

• Fristad, Inge; Bårdsen, Asgeir (2009). Sankt Elm – en ny skytshelgen i endodonti?. (external link)

Doctoral dissertation

• Ruan, Jian Ping; Bjorvatn, Kjell; Åstrøm, Anne Nordrehaug et al. (2006). Fluoride, dental fluorosis and caries in China. (external link)
• Wondwossen, Fantaye; Bårdsen, Asgeir; Bjorvatn, Kjell (2005). Dental fluorosis in Ethiopia. An assessment of dental fluorosis and relation to dental caris as well as the social acceptance of fluorotic teeth in rural and urban areas. (external link)
• Bårdsen, Asgeir (1999). A study in fluoride in groundwater and dental fluorosis. (external link)

Academic chapter/article/Conference paper

• Kvalheim, A; Bjorvatn, Kjell; Bårdsen, Asgeir et al. (1999). Significance of elevation on the fluoride binding capacity of Ethiopian soils. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1999). Dental fluorosis in subjects exposed to fluoride containig drinking water at different age. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir; Tekle-Heimanot, Redda (1999). Defluoridation of drinking water by the use of clay/soil. (external link)

Report

• Bolstad, Anne Isine; Bårdsen, Asgeir; Fristad, Inge et al. (1996). Evaluering av studiet og undervisningen ved Det odontologiske fakultet. (external link)
• Bårdsen, Asgeir; Bjorvatn, Kjell (1995). Fluoride adsorption isotherm in fired clay. (external link)
• Bjorvatn, Kjell; Bårdsen, Asgeir (1995). On defluoridation of drinking water by the use of fired clay. (external link)

See a complete overview of publications in Cristin.