Research
Pulp biology
Neuroimmunomodulation
Endodontics
Dental Education
Outreach
National and international presentations.
Teaching
Endodontics:
Dental students lectures, preclinical and clinical endodontics.
Dentists' qualification program for outside EU/EØS, hygienists and international exchange students.
Post-graduate program and courses in Endodontic microsurgery.
Publications
Academic article
- Ahmad Naweed Faizi; Inge Fristad; Sivakami Rethnam Haug (2025). High-Standard Non-Surgical Endodontic Treatment and Outcome: A Retrospective Follow-Up Study on Self-Assessment of Grading and Case Difficulty in an Academic Setting. (external link)
- Matti Närhi; Lars Bjørndal; Maria Pigg et al. (2016). Akut tannvärk 1: Pulpasmärta och dentinsmärta. (external link)
- Maria Csillag; Ellen Berggreen; Inge Fristad et al. (2004). Effect of electrical tooth stimulation on blood flow and immunocompetent cells in rat dental pulp after sympathectomy. (external link)
- Inga Zilinskaite-Petrauskiene; Sivakami Rethnam Haug (2021). A Comparison of Endodontic Treatment Factors, Operator Difficulties, and Perceived Oral Health–related Quality of Life between Elderly and Young Patients. (external link)
- Inge Fristad; Ellen Berggreen; Sivakami Rethnam Haug (2006). Delta (δ)opioid receptors in small and medium-sized trigeminal neurons supporting the dental pulp of rats. (external link)
- Sivakami Rethnam Haug (2018). Biomarkører i spytt for stress og inflammasjon hos pasienter med akutt tannsmerte. (external link)
- Sivakami Rethnam Haug (2020). Hvorfor knekker rotfiler. (external link)
- Tine Birkeland Sivertsen; Vilhjalmur Helgi Vilhjalmsson; Inge Fristad et al. (2013). Endodontisk behandling av umodne permanente tenner. (external link)
- Sivakami Rethnam Haug; Inge Fristad; Marit Slåttelid Skeie et al. (2013). Biologiske prinsipp for behandling av umodne permanente tenner med skadet pulpa. (external link)
- Bina Raju; Michael Hultström; Sivakami Rethnam Haug et al. (2009). Sympathectomy suppresses tumor growth and alters gene-expression profiles in rat tongue cancer. (external link)
- Bina Raju; Sivakami Rethnam Haug; Salah Osman Ibrahim et al. (2008). High interstitial fluid pressure in rat tongue cancer is related to increased lymph vessel area, tumor size, invasiveness and decreased body weight. (external link)
- Sivakami Rethnam Haug; Päivi Siukosaari; Jussi Furuholm et al. (2023). «Nordic Endodontic Assessment Form» – en evaluering av kasusvanskelighet, behandlers ferdigheter og henvisningsrutiner. (external link)
- Sivakami Rethnam Haug; Pongsri Brudvik; Inge Fristad et al. (2003). Sympathectomy causes increased root resorption after orthodontic tooth movement in rats: immunohistochemical study. (external link)
- Isabell Johnsen; Asgeir Bårdsen; Sivakami Rethnam Haug (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)
- Sivakami Rethnam Haug; Brita Ringereide Linde; Hanne Quist Christensen et al. (2020). An investigation into security, self-confidence and gender differences related to undergraduate education in Endodontics. (external link)
- Sivakami Rethnam Haug; Margrethe Røegh; Inge Fristad (2024). Endodontic emergency patients’ profile and treatment outcome – a prospective cohort study. (external link)
- Ellen Berggreen; Sivakami Rethnam Haug; Lilian Ephrem Mkonyi et al. (2009). Characterization of the dental lymphatic system and identification of cells immunopositive to specific lymphatic markers. (external link)
- Hanne Quist Christensen; Brita Ringereide Linde; Asgeir Bårdsen 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)
- Karin Johanne Heyeraas; Sivakami Rethnam Haug; Richard D Bukoski et al. (2008). Identification of a Ca2+-sensing receptor in rat trigeminal ganglia, sensory axons, and tooth dental pulp. (external link)
- Anca Virtej; Emma Wigsten; Dag Solmund Ørstavik et al. (2023). Utvikling av endodontien i fremtiden. (external link)
- Bina Raju; Sivakami Rethnam Haug; Salah Osman Ibrahim et al. (2007). Sympathectomy decreases size and invasiveness of tongue cancer in rats. (external link)
- Sivakami Rethnam Haug; Ileana Mihaela Cuida Marthinussen (2018). Acute Dental Pain and Salivary Biomarkers for Stress and Inflammation in Patients with Pulpal or Periapical Inflammation. (external link)
- Sivakami Rethnam Haug; Anca Virtej; Pia Titterud Sunde et al. (2025). Ethical considerations and legal allegations in endodontic practice. (external link)
- Matti Närhi; Lars Bjørndal; Maria Pigg et al. (2016). Akuuti hammaskipu 1: pulpa- ja dentiinikipu. (external link)
- Matti Närhi; Lars Bjørndal; Maria Pigg et al. (2016). Acute dental pain 1: pulpal and dentinal pain. (external link)
- Sivakami Rethnam Haug; Karin Johanne Heyeraas (2003). Effects of sympathectomy on experimentally induced pulpal inflammation and periapical lesions in rats. (external link)
- Athanasia Bletsa; Karin Johanne Heyeraas; Sivakami Rethnam Haug et al. (2004). IL-alpha and TNF-alpha expression in rat periapical lesions and dental pulp after unilateral sympathectomy. (external link)
- Sivakami Rethnam Haug; Bina Raju; Inge Fristad et al. (2010). Differential expression of neuropeptide Y Y1 receptors during pulpal inflammation. (external link)
- Sivakami Rethnam Haug; Inge Fristad; Marit Slåttelid Skeie et al. (2012). Biologiske prinsipp for behandling av umodne permanente tenner med pulpaskade. (external link)
- Matti Närhi; Lars Bjørndal; Maria Pigg et al. (2016). Acute dental pain I: Pulpal and dentinal pain. (external link)
- Sivakami Rethnam Haug; Ellen Berggreen; Karin Johanne Heyeraas (2001). The effect of unilateral sympathectomy and cavity preparation on peptidergic nerves and cells in rat dental pulp. (external link)
- Polbhat Tripuwabhrut; Pongsri Brudvik; Inge Fristad et al. (2010). Experimental orthodontic tooth movement and extensive root resorption: periodontal and pulpal changes. (external link)
- Sivakami Rethnam Haug; Karin Johanne Heyeraas (2005). Immunoglobulin producing cells in the rat dental pulp after unilateral sympathectomy. (external link)
- Sivakami Rethnam Haug; Ane F. Solfjeld; Line E. Ranheim et al. (2018). Impact of Case Difficulty on Endodontic Mishaps in an Undergraduate Student Clinic. (external link)
Conference poster
- Sivakami Rethnam Haug; Bina Raju; Inge Fristad et al. (2008). NPY-Y1 receptors in normal and inflamed dental pulp. (external link)
- Anca Virtej; Asgeir Bårdsen; Sivakami Rethnam Haug et al. (2013). Sequelae after traumatic dental injury in an adult patient. A case report. (external link)
- Sivakami Rethnam Haug (2021). Endodontic Treatment Outcome: Effect of case difficulty and instrumentation methods.. (external link)
- Karin Johanne Heyeraas; Sivakami Rethnam Haug (2005). Unilateral sympathectomy induces immunoglobulin producing cells in the rat dental pulp. (external link)
- Sivakami Rethnam Haug (2020). Predicting factors for one-year endodontic treatment outcome. (external link)
- Sivakami Rethnam Haug; Karin Johanne Heyeraas (2002). Effect of unilateral sympathectomy on immune cells in rat molar pulp. (external link)
- Hanne Quist Christensen; Brita Ringereide Linde; Vilhjalmur Helgi Vilhjalmsson et al. (2022). A survey on the influence of dental education on the adoption and integration of technology by dental practitioners. (external link)
- Mihaela Cudia Marthinussen; Gunnhild Strand; KH Bllindheim et al. (2016). Salivary flow and cortisol in nightshift workers. (external link)
- Sivakami Rethnam Haug (2021). Clinical Symptoms And OHRQoL Four Years After Primary Endodontic Treatment. (external link)
- Solfjeld Ane F.; Line E. Ranheim; Asgeir Bårdsen 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)
- Sivakami Rethnam Haug; Karin Johanne Heyeraas (2003). Periapical bone resorption after unilateral sympathectomy in rat jaws. (external link)
- Bina Raju; Sivakami Rethnam Haug; Salah Osman Ibrahim et al. (2008). Gene expression profile in rat tongue cancer after sympathectomy. (external link)
- M Csillag; Ellen Berggreen; Inge Fristad et al. (2004). Electrical Stimulation and Immune Cells in Rat Pulp after Sympathectomy. (external link)
- Ellen Berggreen; Varawan Sae-Lim; Sivakami Rethnam Haug et al. (2000). Hard tissue responses in denervated replanted teeth in ferrets. (external link)
Professional article
Academic literature review
- Sivakami Rethnam Haug; Karin Johanne Heyeraas (2006). Modulation of dental inflammation by the sympathetic nervous system. (external link)
- Sivakami Rethnam Haug (2021). Preoperativ kasusvurdering i endodonti. (external link)
- Inge Fristad; Sivakami Rethnam Haug; Asgeir Bårdsen (2024). Biological properties versus solubility of endodontic sealers and cements. (external link)
- Sivakami Rethnam Haug; Inge Fristad; Marit Slåttelid Skeie et al. (2014). Kehittymässä olevien pysyvien hampaiden pulpavaurioiden hoidossa noudatettavia biologisia periaatteita (=Biological principles for treatment of immature permanent teeth with pulpal pathosis). (external link)
Conference lecture
- Sivakami Rethnam Haug (2019). Why do endodontic files fracture?. (external link)
- Sivakami Rethnam Haug (2023). Case difficulty and operator abilities. (external link)
- Inge Fristad; Sivakami Rethnam Haug (2004). Revisjonsbehandling. (external link)
- Sivakami Rethnam Haug (2023). Smerter fra tenner - er disse spesielle?. (external link)
- Sivakami Rethnam Haug (2023). Case difficulty and operator abilities. (external link)
- Inge Fristad; Sivakami Rethnam Haug (2004). Bruk av mikroskop i endodontisk praksis. (external link)
- Sivakami Rethnam Haug; Ellen Berggreen; Margaret R. Byers et al. (2000). Unilateral Sympathectomy and Dental Pulp Injury in Rats. (external link)
- Sivakami Rethnam Haug (2016). Pulp Biology. (external link)
- Sivakami Rethnam Haug (2023). Pulp response to stimuli: from science to practice. (external link)
- Sivakami Rethnam Haug (2012). Endodontic treatment in immature permanent teeth. (external link)
Conference abstract
- Karin Johanne Heyeraas; Sivakami Rethnam Haug; Emmanuel M. Awumey (2007). Identification of the Ca2+-sensing receptor in rat trigeminal ganglia, sensory axons and tooth dental pulp. (external link)
- Karin Johanne Heyeraas; Sivakami Rethnam Haug; MR Byers (2005). Unilateral sympathectomy induces immunoglobulin producing cells in rat dental pulp. (external link)