Doctoral thesis (PhD)

• Ulrik Leidland Opsahl (2025). Measures to improve the treatment effect of oral appliance therapy in obstructive sleep apnea patients. (external link)

Academic article

• Ulrik Leidland Opsahl; Anders Johansson; Morten Berge et al. (2018). Akustisk pharyngometri for bedre resultat av behandling med søvnapnéskinner. (external link)
• Ulrik Leidland Opsahl; Morten Eirik Berge; Sverre Lehmann et al. (2020). Acoustic pharyngometry - A new method to facilitate oral appliance therapy. (external link)
• Ulrik Leidland Opsahl; Morten Eirik Berge; Sverre Lehmann et al. (2024). Elastic Bands Improve Oral Appliance Treatment Effect on Obstructive Sleep Apnoea: A Randomised Crossover Trial. (external link)
• Ulrik Leidland Opsahl; Morten Eirik Berge; Sverre Lehmann et al. (2025). Prediction of non-responders to oral appliance treatment of obstructive sleep apnea: a pilot study. (external link)

Popular science article

• Anders Johansson; Bjørn Bjorvatn; Erik Saxegaard et al. (2018). Stor interesse for odontologisk søvnmedisin og søvnapné i Norge. (external link)

Conference poster

• Annika Rosén; Borrik Schjødt; Nizamadeen S Abdulkarim et al. (2018). Presenting a National Unit for Orofacial Pain in Bergen, Norway.. (external link)
• Annika Rosén; Borrik Schjødt; Nizamadeen S Abdulkarim et al. (2018). A presentation of the National Unit for Orofacial Pain in Bergen. (external link)

See a complete overview of publications in NVA.