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Markus Haapasalo

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TOP 3
James Lin; Ya Shen; Markus Haapasalo
A comparative study of biofilm removal with hand, rotary nickel-titanium, and self-adjusting file instrumentation using a novel in vitro biofilm model.
Ellen Park; Ya Shen; Mehrzad Khakpour; Markus Haapasalo
Apical pressure and extent of irrigant flow beyond the needle tip during positive-pressure irrigation in an in vitro root canal model.
Hui-min Zhou; Lari Häkkinen; Li Li; Ya Shen; Zhe-jun Wang; Yu-feng Zheng; Markus Haapasalo
In Vitro cytotoxicity evaluation of a novel root repair material.

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All Publications

2013: James Lin; Ya Shen; Markus Haapasalo
A comparative study of biofilm removal with hand, rotary nickel-titanium, and self-adjusting file instrumentation using a novel in vitro biofilm model.
Journal of endodontics 2013;39(5):658-63.
2013: Ellen Park; Ya Shen; Mehrzad Khakpour; Markus Haapasalo
Apical pressure and extent of irrigant flow beyond the needle tip during positive-pressure irrigation in an in vitro root canal model.
Journal of endodontics 2013;39(4):511-5.
2013: Hui-min Zhou; Lari Häkkinen; Li Li; Ya Shen; Zhe-jun Wang; Yu-feng Zheng; Markus Haapasalo
In Vitro cytotoxicity evaluation of a novel root repair material.
Journal of endodontics 2013;39(4):478-83.
2013: Sonja Stojicic; Ya Shen; Markus Haapasalo
Effect of the source of biofilm bacteria, level of biofilm maturation, and type of disinfecting agent on the susceptibility of biofilm bacteria to antibacterial agents.
Journal of endodontics 2013;39(4):473-7.
2013: Ya Shen; Yu-feng Zheng; Hui-min Zhou; Bin Peng; Markus Haapasalo
Current challenges and concepts of the thermomechanical treatment of nickel-titanium instruments.
Journal of endodontics 2013;39(2):163-72.
2013: Leila Mohazab; Gethin R Owen; Charles E Smith; Colin Wiebe; Yanshuang Xie; Toshiyuki Yoshida; Marc D McKee; Markus Haapasalo; Lari Häkkinen; Kristiina Heikinheimo; Jyrki Heino; Guoqiao Jiang; Leeni Koivisto; Leena Kytömäki; Hannu Larjava
Critical role for αvβ6 integrin in enamel biomineralization.
Journal of cell science 2013;126(Pt 3):732-44.
2013: Shuxin Zhou; Quanzu Yang; Markus Haapasalo; Jingzhi Ma; N Dorin Ruse; Ya Shen; Tom Troczynski
In vitro studies of calcium phosphate silicate bone cements.
Journal of materials science. Materials in medicine 2013;24(2):355-64.
2012: Ya Shen; Esther Tam; Yu-feng Zheng; Hui-min Zhou; Jeffrey Coil; Markus Haapasalo
ProFile Vortex instruments after clinical use: a metallurgical properties study.
Journal of endodontics 2012;38(12):1613-7.
2012: Jingzhi Ma; Ya Shen; Yan Yang; Chengfei Zhang; Ahmed Jawad Al-Ashaw; Yuan Gao; Markus Haapasalo
Efficacy of ProTaper Universal Rotary Retreatment system for gutta-percha removal from oval root canals: a micro-computed tomography study.
Journal of endodontics 2012;38(11):1516-20.
2012: Zhejun Wang; Ya Shen; Markus Haapasalo
Effectiveness of endodontic disinfecting solutions against young and old Enterococcus faecalis biofilms in dentin canals.
Journal of endodontics 2012;38(10):1376-9.
2012: Zhejun Wang; Jingzhi Ma; Ya Shen; Markus Haapasalo
The effect of detergents on the antibacterial activity of disinfecting solutions in dentin.
Journal of endodontics 2012;38(7):948-53.
2012: S Stojicic; B Johnson; W Qian; Ya Shen; Markus Haapasalo
Antibacterial and smear layer removal ability of a novel irrigant, QMiX.
International endodontic journal 2012;45(4):363-71.
2012: Ya Shen; Wei Qian; Houman Abtin; Yuan Gao; Markus Haapasalo
Effect of environment on fatigue failure of controlled memory wire nickel-titanium rotary instruments.
Journal of endodontics 2012;38(3):376-80.
2011: Ya Shen; Yu-Feng Zheng; Hui-Min Zhou; Les Campbell; Bin Peng; Markus Haapasalo
Metallurgical characterization of controlled memory wire nickel-titanium rotary instruments.
Journal of endodontics 2011;37(11):1566-71.
2011: Zhejun Wang; Timothy F Watson; Wenzhong Xing; Tao Jiang; Yue Sa; Salvatore Sauro; Ya Shen; Ian Thompson; Yining Wang; Markus Haapasalo
Dentine remineralization induced by two bioactive glasses developed for air abrasion purposes.
Journal of dentistry 2011;39(11):746-56.
2011: Wei Qian; Ya Shen; Markus Haapasalo
Quantitative analysis of the effect of irrigant solution sequences on dentin erosion.
Journal of endodontics 2011;37(10):1437-41.
2011: Jingzhi Ma; Ya Shen; Zhejun Wang; Markus Haapasalo
A new noninvasive model to study the effectiveness of dentin disinfection by using confocal laser scanning microscopy.
Journal of endodontics 2011;37(10):1380-5.
2011: Ya Shen; Wei Qian; Houman Abtin; Yuan Gao; Markus Haapasalo
Fatigue testing of controlled memory wire nickel-titanium rotary instruments.
Journal of endodontics 2011;37(7):997-1001.
2011: Jingzhi Ma; Ya Shen; Sonja Stojicic; Markus Haapasalo
Biocompatibility of two novel root repair materials.
Journal of endodontics 2011;37(6):793-8.
2011: Ya Shen; Sonja Stojicic; Markus Haapasalo
Antimicrobial efficacy of chlorhexidine against bacteria in biofilms at different stages of development.
Journal of endodontics 2011;37(5):657-61.
2011: Markus Haapasalo
Can I use chlorhexidine as the only irrigating solution in my endodontic treatments?
Texas dental journal 2011;128(4):357-9.
2011: Unni Endal; Ya Shen; Arving Knut; Yuan Gao; Markus Haapasalo
A high-resolution computed tomographic study of changes in root canal isthmus area by instrumentation and root filling.
Journal of endodontics 2011;37(2):223-7.
2010: Ya Shen; Sonja Stojicic; Markus Haapasalo
Bacterial viability in starved and revitalized biofilms: comparison of viability staining and direct culture.
Journal of endodontics 2010;36(11):1820-3.
2010: Sonja Stojicic; Slavoljub Zivkovic; Wei Qian; Hui Zhang; Markus Haapasalo
Tissue dissolution by sodium hypochlorite: effect of concentration, temperature, agitation, and surfactant.
Journal of endodontics 2010;36(9):1558-62.
2010: Ya Shen; Yuan Gao; Wei Qian; N Dorin Ruse; Xuedong Zhou; Hongkun Wu; Markus Haapasalo
Three-dimensional numeric simulation of root canal irrigant flow with different irrigation needles.
Journal of endodontics 2010;36(5):884-9.
2010: Markus Haapasalo; Ya Shen; Wei Qian; Yuan Gao
Irrigation in endodontics.
Dental clinics of North America 2010;54(2):291-312.
2010: Fernanda Geraldes Pappen; Wei Qian; Jolanta Aleksejūniene; Renato de Toledo Leonardo; Mario Roberto Leonardo; Markus Haapasalo
Inhibition of sodium hypochlorite antimicrobial activity in the presence of bovine serum albumin.
Journal of endodontics 2010;36(2):268-71.
2010: Vytaute Peciuliene; Jurate Rimkuviene; Jolanta Aleksejuniene; Markus Haapasalo; Saulius Drukteinis; Rasmute Maneliene
Technical aspects of endodontic treatment procedures among Lithuanian general dental practitioners.
Stomatologija / issued by public institution "Odontologijos studija" ... [et al.] 2010;12(2):42-50.
2010: Ya Shen; Sonja Stojicic; Wei Qian; Ingar Olsen; Markus Haapasalo
The synergistic antimicrobial effect by mechanical agitation and two chlorhexidine preparations on biofilm bacteria.
Journal of endodontics 2010;36(1):100-4.
2009: Ya Shen; Jeffrey Coil; Alex G R McLean; David L Hemerling; Markus Haapasalo
Defects in nickel-titanium instruments after clinical use. Part 5: single use from endodontic specialty practices.
Journal of endodontics 2009;35(10):1363-7.
2009: Hui Zhang; Ya Shen; N Dorin Ruse; Markus Haapasalo
Antibacterial activity of endodontic sealers by modified direct contact test against Enterococcus faecalis.
Journal of endodontics 2009;35(7):1051-5.
2009: Ya Shen; Wei Qian; Christopher Chung; Ingar Olsen; Markus Haapasalo
Evaluation of the effect of two chlorhexidine preparations on biofilm bacteria in vitro: a three-dimensional quantitative analysis.
Journal of endodontics 2009;35(7):981-5.
2009: Hui Zhang; Fernanda Geraldes Pappen; Markus Haapasalo
Dentin enhances the antibacterial effect of mineral trioxide aggregate and bioaggregate.
Journal of endodontics 2009;35(2):221-4.
2009: Ya Shen; Earl Winestock; Gary Shun-pan Cheung; Markus Haapasalo
Defects in nickel-titanium instruments after clinical use. Part 4: an electropolished instrument.
Journal of endodontics 2009;35(2):197-201.
2009: Ya Shen; Jeffrey Coil; Markus Haapasalo
Defects in nickel-titanium instruments after clinical use. Part 3: a 4-year retrospective study from an undergraduate clinic.
Journal of endodontics 2009;35(2):193-6.
2008: Ya Shen; Markus Haapasalo
Three-dimensional analysis of cutting behavior of nickel-titanium rotary instruments by microcomputed tomography.
Journal of endodontics 2008;34(5):606-10.
2008: Iman M Saleh; I Eystein Ruyter; Markus Haapasalo; Dag Ørstavik
Bacterial penetration along different root canal filling materials in the presence or absence of smear layer.
International endodontic journal 2008;41(1):32-40.
2007: Markus Haapasalo; Wei Qian; Isabelle Portenier; Tuomas Waltimo
Effects of dentin on the antimicrobial properties of endodontic medicaments.
Journal of endodontics 2007;33(8):917-25.
2007: AH Reynaud af Geijersstam; R Culak; L Molenaar; Marie A Chattaway; E Røslie; V Peciuliene; Markus Haapasalo; Haroun N Shah
Comparative analysis of virulence determinants and mass spectral profiles of Finnish and Lithuanian endodontic Enterococcus faecalis isolates.
Oral microbiology and immunology 2007;22(2):87-94.
2006: AH Reynaud af Geijersstam; Matthew J Ellington; M Warner; Neil Woodford; Markus Haapasalo
Antimicrobial susceptibility and molecular analysis of Enterococcus faecalis originating from endodontic infections in Finland and Lithuania.
Oral microbiology and immunology 2006;21(3):164-8.
2006: Isabelle Portenier; Tuomas Waltimo; Dag Ørstavik; Markus Haapasalo
Killing of Enterococcus faecalis by MTAD and chlorhexidine digluconate with or without cetrimide in the presence or absence of dentine powder or BSA.
Journal of endodontics 2006;32(2):138-41.
2005: Tuomas Waltimo; Martin Trope; Markus Haapasalo; Dag Ørstavik
Clinical efficacy of treatment procedures in endodontic infection control and one year follow-up of periapical healing.
Journal of endodontics 2005;31(12):863-6.
2005: AH Reynaud af Geijersstam; T Sorsa; S Stackelberg; T Tervahartiala; Markus Haapasalo
Effect of E. faecalis on the release of serine proteases elastase and cathepsin G, and collagenase-2 (MMP-8) by human polymorphonuclear leukocytes (PMNs).
International endodontic journal 2005;38(9):667-77.
2005: Isabelle Portenier; Tuomas Waltimo; Dag Ørstavik; Markus Haapasalo
The susceptibility of starved, stationary phase, and growing cells of Enterococcus faecalis to endodontic medicaments.
Journal of endodontics 2005;31(5):380-6.
2004: Eva K Sirén; Markus Haapasalo; Tuomas Waltimo; Dag Ørstavik
In vitro antibacterial effect of calcium hydroxide combined with chlorhexidine or iodine potassium iodide on Enterococcus faecalis.
European journal of oral sciences 2004;112(4):326-31.
2004: Iman M Saleh; I Eystein Ruyter; Markus Haapasalo; Dag Ørstavik
Survival of Enterococcus faecalis in infected dentinal tubules after root canal filling with different root canal sealers in vitro.
International endodontic journal 2004;37(3):193-8.
2003: Iman M Saleh; I Eystein Ruyter; Markus Haapasalo; Dag Orstavik
Adhesion of endodontic sealers: scanning electron microscopy and energy dispersive spectroscopy.
Journal of endodontics 2003;29(9):595-601.
2003: Tuomas Waltimo; Bilge Sen; Jukka H Meurman; Dag Ørstavik; Markus Haapasalo
Yeasts in apical periodontitis.
Critical reviews in oral biology and medicine : an official publication of the American Association of Oral Biologists 2003;14(2):128-37.
2002: D Da Silva; U Endal; AH Reynaud; Isabelle Portenier; D Orstavik; Markus Haapasalo
A comparative study of lateral condensation, heat-softened gutta-percha, and a modified master cone heat-softened backfilling technique.
International endodontic journal 2002;35(12):1005-11.
2002: Iman M Saleh; I Eystein Ruyter; Markus Haapasalo; Dag Ørstavik
The effects of dentine pretreatment on the adhesion of root-canal sealers.
International endodontic journal 2002;35(10):859-66.
2002: Isabelle Portenier; Hanna Haapasalo; Dag Orstavik; Mitsuo Yamauchi; Markus Haapasalo
Inactivation of the antibacterial activity of iodine potassium iodide and chlorhexidine digluconate against Enterococcus faecalis by dentin, dentin matrix, type-I collagen, and heat-killed microbial whole cells.
Journal of endodontics 2002;28(9):634-7.
2001: Tuomas Waltimo; PK Vallittu; Markus Haapasalo
Adherence of Candida species to newly polymerized and water-stored denture base polymers.
The International journal of prosthodontics 2001;14(5):457-60.
2001: V Peciuliene; AH Reynaud; I Balciuniene; Markus Haapasalo
Isolation of yeasts and enteric bacteria in root-filled teeth with chronic apical periodontitis.
International endodontic journal 2001;34(6):429-34.
2001: Isabelle Portenier; Hanna Haapasalo; A Rye; Tuomas Waltimo; Dag Ørstavik; Markus Haapasalo
Inactivation of root canal medicaments by dentine, hydroxylapatite and bovine serum albumin.
International endodontic journal 2001;34(3):184-8.
2001: Tuomas Waltimo; R S Dassanayake; Dag Ørstavik; Markus Haapasalo; Lakshman Perera Samaranayake
Phenotypes and randomly amplified polymorphic DNA profiles of Candida albicans isolates from root canal infections in a Finnish population.
Oral microbiology and immunology 2001;16(2):106-12.
2000: V Peciuliene; I Balciuniene; Harald M Eriksen; Markus Haapasalo
Isolation of Enterococcus faecalis in previously root-filled canals in a Lithuanian population.
Journal of endodontics 2000;26(10):593-5.
2000: Tuomas Waltimo; Dag Ørstavik; Jukka H Meurman; Lakshman Perera Samaranayake; Markus Haapasalo
In vitro susceptibility of Candida albicans isolates from apical and marginal periodontitis to common antifungal agents.
Oral microbiology and immunology 2000;15(4):245-8.
2000: Jolanta Aleksejuniene; Harald M Eriksen; B Sidaravicius; Markus Haapasalo
Apical periodontitis and related factors in an adult Lithuanian population.
Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2000;90(1):95-101.
2000: Tuomas Waltimo; Dag Ørstavik; Eva K Sirén; Markus Haapasalo
In vitro yeast infection of human dentin.
Journal of endodontics 2000;26(4):207-9.
2000: Hanna Haapasalo; Eva K Sirén; Tuomas Waltimo; Dag Ørstavik; Markus Haapasalo
Inactivation of local root canal medicaments by dentine: an in vitro study.
International endodontic journal 2000;33(2):126-31.
2000: AK Kotiranta; Kari Lounatmaa; Markus Haapasalo
Epidemiology and pathogenesis of Bacillus cereus infections.
Microbes and infection / Institut Pasteur 2000;2(2):189-98.
1999: Tuomas Waltimo; Dag Orstavik; Eva K Sirén; Markus Haapasalo
In vitro susceptibility of Candida albicans to four disinfectants and their combinations.
International endodontic journal 1999;32(6):421-9.
1999: AK Kotiranta; H Ito; Markus Haapasalo; Kari Lounatmaa
Radiation sensitivity of Bacillus cereus with and without a crystalline surface protein layer.
FEMS microbiology letters 1999;179(2):275-80.
1999: Tuomas Waltimo; Eva K Sirén; Dag Orstavik; Markus Haapasalo
Susceptibility of oral Candida species to calcium hydroxide in vitro.
International endodontic journal 1999;32(2):94-8.
1999: Tuomas Waltimo; Johanna Tanner; Pekka K Vallittu; Markus Haapasalo
Adherence of Candida albicans to the surface of polymethylmethacrylate--E glass fiber composite used in dentures.
The International journal of prosthodontics 1999;12(1):83-6.
1998: AK Kotiranta; Markus Haapasalo; Kirsti Kari; Eero Kerosuo; I Olsen; Timo Sorsa; Jukka H Meurman; Kari Lounatmaa
Surface structure, hydrophobicity, phagocytosis, and adherence to matrix proteins of Bacillus cereus cells with and without the crystalline surface protein layer.
Infection and immunity 1998;66(10):4895-902.
1997: Terry J Beveridge; Peter H Pouwels; Margit Sára; AK Kotiranta; Kari Lounatmaa; Kirsti Kari; Eero Kerosuo; Markus Haapasalo; Eva M Egelseer; I Schocher; Uwe B Sleytr; L Morelli; M L Callegari; John F Nomellini; Wade H Bingle; J Smit; E Leibovitz; Marc Lemaire; Isabelle Miras; S Salamitou; Pierre Béguin; H Ohayon; Pierre GOUNON; Markus Matuschek; S F Koval
Functions of S-layers.
FEMS microbiology reviews 1997;20(1-2):99-149.
1997: Y Ding; Markus Haapasalo; Eero Kerosuo; Kari Lounatmaa; AK Kotiranta; Timo Sorsa
Release and activation of human neutrophil matrix metallo- and serine proteinases during phagocytosis of Fusobacterium nucleatum, Porphyromonas gingivalis and Treponema denticola.
Journal of clinical periodontology 1997;24(4):237-48.
1997: Tuomas Waltimo; Eva K Sirén; H L Torkko; I Olsen; Markus Haapasalo
Fungi in therapy-resistant apical periodontitis.
International endodontic journal 1997;30(2):96-101.
1997: E K Siren; Markus Haapasalo; K Ranta; P Salmi; Eero Kerosuo
Microbiological findings and clinical treatment procedures in endodontic cases selected for microbiological investigation.
International endodontic journal 1997;30(2):91-5.
1996: Y Ding; Veli-Jukka Uitto; Markus Haapasalo; Kari Lounatmaa; Yrjö T Konttinen; Tuula Salo; Daniel Grenier; Timo Sorsa
Membrane components of Treponema denticola trigger proteinase release from human polymorphonuclear leukocytes.
Journal of dental research 1996;75(12):1986-93.
1995: Y Ding; Veli-Jukka Uitto; J Firth; Tuula Salo; Markus Haapasalo; Yrjö T Konttinen; Timo Sorsa
Modulation of host matrix metalloproteinases by bacterial virulence factors relevant in human periodontal diseases.
Oral diseases 1995;1(4):279-86.
1995: Timo Sorsa; Y L Ding; Tuula Ingman; Tuula Salo; U Westerlund; Markus Haapasalo; H Tschesche; Yrjö T Konttinen
Cellular source, activation and inhibition of dental plaque collagenase.
Journal of clinical periodontology 1995;22(9):709-17.
1995: AK Kotiranta; Markus Haapasalo; Kari Lounatmaa; Kirsti Kari
Crystalline surface protein of Peptostreptococcus anaerobius.
Microbiology (Reading, England) 1995;141 ( Pt 5)():1065-73.
1994: Saheer E Gharbia; Markus Haapasalo; Haroun N Shah; AK Kotiranta; Kari Lounatmaa; M A Pearce; D A Devine
Characterization of Prevotella intermedia and Prevotella nigrescens isolates from periodontic and endodontic infections.
Journal of periodontology 1994;65(1):56-61.
1993: Eero Kerosuo; Markus Haapasalo; Kari Lounatmaa
Eubacterium yurii subspecies margaretiae is resistant to nonopsonic phagocytic ingestion.
Scandinavian journal of dental research 1993;101(5):304-10.
1993: Markus Haapasalo
Black-pigmented gram-negative anaerobes in endodontic infections.
FEMS immunology and medical microbiology 1993;6(2-3):213-7.
1992: Timo Sorsa; Tuula Ingman; K Suomalainen; Markus Haapasalo; Yrjö T Konttinen; O Lindy; H Saari; Veli-Jukka Uitto
Identification of proteases from periodontopathogenic bacteria as activators of latent human neutrophil and fibroblast-type interstitial collagenases.
Infection and immunity 1992;60(11):4491-5.
1990: Saheer E Gharbia; Haroun N Shah; P A Lawson; Markus Haapasalo
Distribution and frequency of Fusobacterium nucleatum subspecies in the human oral cavity.
Oral microbiology and immunology 1990;5(6):324-7.
1990: Markus Haapasalo; Eero Kerosuo; Kari Lounatmaa
Hydrophobicities of human polymorphonuclear leukocytes and oral Bacteroides and Porphyromonas spp., Wolinella recta, and Eubacterium yurii with special reference to bacterial surface structures.
Scandinavian journal of dental research 1990;98(6):472-81.
1990: D Orstavik; Markus Haapasalo
Disinfection by endodontic irrigants and dressings of experimentally infected dentinal tubules.
Endodontics & dental traumatology 1990;6(4):142-9.
1990: Eero Kerosuo; Markus Haapasalo; K Alli; Kari Lounatmaa
Ingestion of Bacteroides buccae, Bacteroides oris, Porphyromonas gingivalis, and Fusobacterium nucleatum by human polymorphonuclear leukocytes in vitro.
Oral microbiology and immunology 1990;5(4):202-7.
1989: Markus Haapasalo; H Shah; Saheer E Gharbia; S Seddon; Kari Lounatmaa
Surface properties and ultrastructure of Porphyromonas gingivalis W50 and pleiotropic mutants.
Scandinavian journal of dental research 1989;97(4):355-60.
1989: Eero Kerosuo; Markus Haapasalo; Kari Lounatmaa
Ultrastructural relationship of cell envelope layers in Wolinella recta.
Scandinavian journal of dental research 1989;97(1):54-9.
1988: K Ranta; Markus Haapasalo; H Ranta
Monoinfection of root canal with Pseudomonas aeruginosa.
Endodontics & dental traumatology 1988;4(6):269-72.
1988: Eero Kerosuo; Markus Haapasalo; Kari Lounatmaa; H Ranta; K Ranta
Ultrastructure of a novel anaerobic gram-positive nonsporing rod from dental root canal.
Scandinavian journal of dental research 1988;96(1):50-5.
1988: A Sjögren; D N Wang; S Hovmöller; Markus Haapasalo; H Ranta; Eero Kerosuo; H Jousimies-Somer; Kari Lounatmaa
The three-dimensional structures of S-layers of two novel Eubacterium species isolated from inflammatory human processes.
Molecular microbiology 1988;2(1):81-7.
1988: H Ranta; Markus Haapasalo; K Ranta; S Kontiainen; Eero Kerosuo; V Valtonen; Riitta Suuronen; Tapani Hovi
Bacteriology of odontogenic apical periodontitis and effect of penicillin treatment.
Scandinavian journal of infectious diseases 1988;20(2):187-92.
1987: Eero Kerosuo; Markus Haapasalo; H Ranta; Kari Lounatmaa
Hexagonal periodicity in the outer membrane of Bacteroides buccae.
Journal of general microbiology 1987;133(8):2217-24.
1987: Markus Haapasalo; D Orstavik
In vitro infection and disinfection of dentinal tubules.
Journal of dental research 1987;66(8):1375-9.
1987: Markus Haapasalo; K Ranta; H Ranta
Mixed anaerobic periapical infection with sinus tract.
Endodontics & dental traumatology 1987;3(2):83-5.
1986: Markus Haapasalo; H Ranta; K Ranta; H Shah
Black-pigmented Bacteroides spp. in human apical periodontitis.
Infection and immunity 1986;53(1):149-53.
1986: Markus Haapasalo; H Ranta; H Shah; K Ranta; Kari Lounatmaa; R M Kroppenstedt
Biochemical and structural characterization of an unusual group of gram-negative, anaerobic rods from human periapical osteitis.
Journal of general microbiology 1986;132(2):417-26.
1985: A Sjögren; S Hovmöller; G Farrants; H Ranta; Markus Haapasalo; K Ranta; Kari Lounatmaa
Structures of two different surface layers found in six Bacteroides strains.
Journal of bacteriology 1985;164(3):1278-82.
1983: H Ranta; Kari Lounatmaa; Markus Haapasalo; K Ranta
Isolation and ultrastructure of Bacteroides sp. with external cell-wall layer (S-layer) in periapical osteitis.
Scandinavian journal of dental research 1983;91(6):458-64.
1983: Markus Haapasalo; H Ranta; K T Ranta
Facultative gram-negative enteric rods in persistent periapical infections.
Acta odontologica Scandinavica 1983;41(1):19-22.