Works by Vallittu, Pekka K.

Results: 202

Efficacy of biofilm decontamination methods of dental implant surfaces: A systematic review of in vitro studies.

Published in:

European Journal of Oral Sciences, 2025, v. 133, n. 2, p. 1, doi. 10.1111/eos.70005

By:

Abushahba, Faleh;
Algahawi, Ahmed;
Areid, Nagat;
Vallittu, Pekka K.;
Närhi, Timo

Publication type:

Article

Impact of Atomic Layer-Deposited Hydroxyapatite-Coated Titanium on Expression of Focal Adhesion Molecules of Human Gingival Fibroblasts.

Published in:

Nanomaterials (2079-4991), 2025, v. 15, n. 12, p. 887, doi. 10.3390/nano15120887

By:

Areid, Nagat;
Abushahba, Faleh;
Riivari, Sini;
Närvä, Elisa;
Kylmäoja, Elina;
Ritala, Mikko;
Tuukkanen, Juha;
Vallittu, Pekka K.;
Närhi, Timo O.

Publication type:

Article

Phytoliths of bamboo affect the feeding pattern of Giant panda (Ailuropoda melanoleuca)

Published in:

Scientific Reports, 2025, v. 15, n. 1, p. 1, doi. 10.1038/s41598-025-95042-6

By:

Tikka, Janika;
Varrela, Juha;
Määttä, Jorma;
Salo, Jukka;
Zhang, Hemin;
Niemelä, Pekka;
Haapakoski, Marko;
Vallittu, Pekka K.

Publication type:

Article

Mechanical and structural characterization of CAD-CAM materials and enamel of deciduous and permanent teeth.

Published in:

Dental Materials Journal, 2025, v. 44, n. 2, p. 146, doi. 10.4012/dmj.2024-245

By:

WADA, Kanae;
GAROUSHI, Sufyan;
WADA, Junichiro;
IWAMOTO, Tsutomu;
VALLITTU, Pekka K.;
LASSILA, Lippo

Publication type:

Article

Impact of restorative material on fracture behaviors of class II restoration in endodontically treated deciduous molars.

Published in:

Dental Materials Journal, 2024, v. 43, n. 5, p. 738, doi. 10.4012/dmj.2024-067

By:

WADA, Kanae;
Junichiro WADA;
UCTASLI, Mine Betul;
UCTASLI, Sadullah;
YAVUZ, Yasemin;
Tsutomu IWAMOTO;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan;
LASSILA, Lippo

Publication type:

Article

Two-body wear and surface hardness of occlusal splint materials.

Published in:

Dental Materials Journal, 2022, v. 41, n. 6, p. 916, doi. 10.4012/dmj.2022-100

By:

GIBREEL, Mona;
PEREA-LOWERY, Leila;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan;
LASSILA, Lippo

Publication type:

Article

Crack propagation and toughening mechanism of bilayered short-fiber reinforced resin composite structure--Evaluation up to six months storage in water.

Published in:

Dental Materials Journal, 2022, v. 41, n. 4, p. 580, doi. 10.4012/dmj.2021-321

By:

BIJELIC-DONOVA, Jasmina;
GAROUSHI, Sufyan;
LASSILA, Lippo V. J.;
ROCCA, Giovanni Tommaso;
VALLITTU, Pekka K.

Publication type:

Article

Effect of potassium hydrogen difluoride in zirconia-to-resin bonding.

Published in:

Dental Materials Journal, 2021, v. 40, n. 1, p. 245, doi. 10.4012/dmj.2019-389

By:

HJERPPE, Jenni;
PEREA-LOWERY, Leila;
LASSILA, Lippo V. J.;
VALLITTU, Pekka K.

Publication type:

Article

Characterization of restorative short-fiber reinforced dental composites.

Published in:

Dental Materials Journal, 2020, v. 39, n. 6, p. 992, doi. 10.4012/dmj.2019-088

By:

LASSILA, Lippo;
KEULEMANS, Filip;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan

Publication type:

Article

The influence of resin composite with high fiber aspect ratio on fracture resistance of severely damaged bovine incisors.

Published in:

Dental Materials Journal, 2020, v. 39, n. 3, p. 381, doi. 10.4012/dmj.2019-051

By:

LASSILA, Lippo;
OKSANEN, Viivi;
FRÁTER, Márk;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan

Publication type:

Article

Characterization of the mechanical properties of CAD/CAM polymers for interim fixed restorations.

Published in:

Dental Materials Journal, 2020, v. 39, n. 2, p. 319, doi. 10.4012/dmj.2019-042

By:

PEREA-LOWERY, Leila;
GIBREEL, Mona;
VALLITTU, Pekka K.;
LASSILA, Lippo

Publication type:

Article

Bonding interface affects the load-bearing capacity of bilayered composites.

Published in:

Dental Materials Journal, 2019, v. 38, n. 6, p. 1002, doi. 10.4012/dmj.2018-304

By:

OMRAN, Tarek A.;
GAROUSHI, Sufyan;
LASSILA, Lippo;
Akikazu SHINYA;
VALLITTU, Pekka K.

Publication type:

Article

Dissolution and mineralization characterization of bioactive glass ceramic containing endodontic sealer Guttaflow Bioseal.

Published in:

Dental Materials Journal, 2018, v. 37, n. 6, p. 988, doi. 10.4012/dmj.2017-224

By:

HOIKKALA, Niko-Pekka Johannes;
Xiaoju WANG;
HUPA, Leena;
SMÅTT, Jan-Henrik;
PELTONEN, Jouko;
VALLITTU, Pekka K.

Publication type:

Article

Reinforcing effect of discontinuous microglass fibers on resin-modified glass ionomer cement.

Published in:

Dental Materials Journal, 2018, v. 37, n. 3, p. 484, doi. 10.4012/dmj.2017-234

By:

GAROUSHI, Sufyan;
VALLITTU, Pekka K.;
LASSILA, Lippo

Publication type:

Article

Characterization of fluoride releasing restorative dental materials.

Published in:

Dental Materials Journal, 2018, v. 37, n. 2, p. 293, doi. 10.4012/dmj.2017-161

By:

GAROUSHI, Sufyan;
VALLITTU, Pekka K.;
LASSILA, Lippo

Publication type:

Article

Physicochemical properties of discontinuous S2-glass fiber reinforced resin composite.

Published in:

Dental Materials Journal, 2018, v. 37, n. 1, p. 95, doi. 10.4012/dmj.2017-078

By:

HUANG, Qiting;
QIN, Wei;
GAROUSHI, Sufyan;
HE, Jingwei;
LIN, Zhengmei;
LIU, Fang;
VALLITTU, Pekka K.;
LASSILA, Lippo V. J.

Publication type:

Article

Fracture behavior of pontics of fiber-reinforced composite fixed dental prostheses.

Published in:

Dental Materials Journal, 2015, v. 34, n. 6, p. 746, doi. 10.4012/dmj.2015-081

By:

PEREA, Leila;
MATINLINNA, Jukka P.;
TOLVANEN, Mimmi;
VALLITTU, Pekka K.

Publication type:

Article

The effect of staining and vacuum sintering on optical and mechanical properties of partially and fully stabilized monolithic zirconia.

Published in:

Dental Materials Journal, 2015, v. 34, n. 5, p. 605, doi. 10.4012/dmj.2015-054

By:

SULAIMAN, Taiseer A.;
ABDULMAJEED, Aous A.;
DONOVAN, Terrence E.;
VALLITTU, Pekka K.;
NARH, Timo O.;
LASSILA, Lippo V.

Publication type:

Article

Short and long term effects of additional post curing and polishing systems on the color change of dental nano-composites.

Published in:

Dental Materials Journal, 2013, v. 32, n. 1, p. 107, doi. 10.4012/dmj.2012-251

By:

EGILMEZ, Ferhan;
ERGUN, Gulfem;
CEKIC-NAGAS, Isil;
VALLITTU, Pekka K.;
LASSILA, Lippo V. J.

Publication type:

Article

Creep of experimental short fiber-reinforced composite resin.

Published in:

Dental Materials Journal, 2012, v. 31, n. 5, p. 737, doi. 10.4012/dmj.2011-247

By:

GAROUSHI, Sufyan;
KALEEM, Muhammad;
SHINYM, Akikazu;
VALLITTU, Pekka K.;
SATTERTHWAITE, Julian D.;
WATTS, David C.;
LASSILA, Lippo V. J.

Publication type:

Article

Effects of mechanical properties of adhesive resin cements on stress distribution in fiber-reinforced composite adhesive fixed partial dentures.

Published in:

Dental Materials Journal, 2012, v. 31, n. 2, p. 189, doi. 10.4012/dmj.2011-104

By:

Yokoyama, Daiichiro;
Shinya, Akikazu;
Gomi, Harunori;
Vallittu, Pekka K.;
Shinya, Akiyoshi

Publication type:

Article

Effect of surface preparation on the bond strength of heat-polymerized denture base resin to commercially pure titanium and cobalt-chromium alloy.

Published in:

Dental Materials Journal, 2011, v. 30, n. 2, p. 143, doi. 10.4012/dmj.2010-089

By:

Kawaguchi, Tomohiro;
Shimizu, Hiroshi;
Lassila, Lippo V. J.;
Vallittu, Pekka K.;
Takahashi, Yutaka

Publication type:

Article

Three-dimensional finite element analysis of posterior fiber-reinforced composite fixed partial denture Part 2: influence of fiber reinforcement on mesial and distal connectors.

Published in:

Dental Materials Journal, 2011, v. 30, n. 1, p. 29, doi. 10.4012/dmj.2010-072

By:

Aida, Nobuhisa;
Shinya, Akikazu;
Yokoyama, Dalichiro;
Lassila, Lippo V. J.;
Gomi, Harunori;
Vallittu, Pekka K.;
Shinya, Akiyoshi

Publication type:

Article

Microtensile bond strength of fiber-reinforced composite with semi-interpenetrating polymer matrix to dentin using various bonding systems.

Published in:

Dental Materials Journal, 2008, v. 27, n. 6, p. 821, doi. 10.4012/dmj.27.821

By:

TEZVERGIL-MUTLUAY, Arzu;
LASSILA, Lippo VJ;
VALLITTU, Pekka K

Publication type:

Article

Effect of fiber-reinforced composites on the failure load and failure mode of composite veneers.

Published in:

Dental Materials Journal, 2009, v. 28, n. 5, p. 530, doi. 10.4012/dmj.28.530

By:

Turkaslan, Suha;
Tezvergil-Mutluay, Arzu;
Bagis, Bora;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article

Effect of fiber-reinforced composite at the interface on bonding of resin core system to dentin.

Published in:

Dental Materials Journal, 2008, v. 27, n. 5, p. 736, doi. 10.4012/dmj.27.736

By:

CEKIC-NAGAS, Isil;
ERGUN, Gulfem;
TEZVERGIL, Arzu;
VALLITTU, Pekka K.;
LASSILA, Lippo V. J.

Publication type:

Article

Effect of commercially available bonding agents impregnated with fibers on bending strength of hybrid resin.

Published in:

Dental Materials Journal, 2008, v. 27, n. 5, p. 723, doi. 10.4012/dmj.27.723

By:

TSUSHIMA, Sumio;
GOMI, Harunori;
SHINYA, Akikazu;
YOKOYAMA, Daiichirou;
VALLITTU, Pekka K.;
SHINYA, Akiyoshi

Publication type:

Article

Influence of Polymerization Mode on Degree of Conversion and Micropush-out Bond Strength of Resin Core Systems Using Different Adhesive Systems.

Published in:

Dental Materials Journal, 2008, v. 27, n. 3, p. 376, doi. 10.4012/dmj.27.376

By:

CEKIC-NAGAS, Isil;
ERGUN, Gulfem;
VALLITTU, Pekka K.;
LASSILA, Lippo V. J.

Publication type:

Article

Effect of Intermediate Fiber Layer on the Fracture Load and Failure Mode of Maxillary Incisors Restored with Laminate Veneers.

Published in:

Dental Materials Journal, 2008, v. 27, n. 1, p. 61, doi. 10.4012/dmj.27.61

By:

TURKASLAN, Suha;
TEZVERGIL-MUTLUAY, Arzu;
BAGIS, Bora;
SHINYA, Akikazu;
VALLITTU, Pekka K.;
LASSILA, Lippo V.

Publication type:

Article

Effects of Dental Adhesive Cement and Surface Treatment on Bond Strength and Leakage of Zirconium Oxide Ceramics.

Published in:

Dental Materials Journal, 2008, v. 27, n. 2, p. 159, doi. 10.4012/dmj.27.159

By:

TSUKAKOSHI, Makoto;
SHINYA, Akikazu;
GOMI, Harunori;
LASSILA, Lippo V.J.;
Pekka K. VALLITTU;
SHINYA, Akiyoshi

Publication type:

Article

Shear Bond Strength and FEM of a Resin-modified Glass lonomer Cement - Effects of Tooth Enamel Shape and Orthodontic Bracket Base Configuration.

Published in:

Dental Materials Journal, 2007, v. 26, n. 5, p. 700, doi. 10.4012/dmj.26.700

By:

HIOKI, Makiha;
SHIN-YA, Akikazu;
NAKAHARA, Rizako;
VALLITTU, Pekka K.;
NAKASONES, Yuji;
SHIN-YA, Akiyoshi

Publication type:

Article

A comparative evaluation of commercially available short fiber-reinforced composites.

Published in:

BMC Oral Health, 2024, v. 24, n. 1, p. 1, doi. 10.1186/s12903-024-05267-6

By:

Garoushi, Sufyan;
Säilynoja, Eija;
Frater, Mark;
Keulemans, Filip;
Vallittu, Pekka K.;
Lassila, Lippo

Publication type:

Article

Enhanced Degree of Monomer Conversion of Orthodontic Adhesives Using a Glass-Fiber Layer under the Bracket.

Published in:

Angle Orthodontist, 2009, v. 79, n. 3, p. 546, doi. 10.2319/051008-256.1

By:

Shinya, Makiha;
Shinya, Akikazu;
Lassila, Lippo V. J.;
Varrela, Juha;
Vallittu, Pekka K.

Publication type:

Article

Stress and Strain Analysis of the Bone-Implant Interface: A Comparison of Fiber-Reinforced Composite and Titanium Implants Utilizing 3-Dimensional Finite Element Study.

Published in:

Journal of Oral Implantology, 2011, v. 37, p. 133, doi. 10.1563/AAID-JOI-D-09-00046

By:

Shinya, Akikazu;
Ballo, Ahmed M.;
Lassila, Lippo V. J.;
Shinya, Akiyoshi;
Närhi, Timo O.;
Vallittu, Pekka K.

Publication type:

Article

Retention of strength and ion release of some restorative materials.

Published in:

Odontology, 2025, v. 113, n. 2, p. 714, doi. 10.1007/s10266-024-01010-3

By:

Garoushi, Sufyan;
Peltola, Timo;
Siekkinen, Minna;
Hupa, Leena;
Vallittu, Pekka K.;
Lassila, Lippo;
Säilynoja, Eija

Publication type:

Article

Clinical evaluation of posterior flowable short fiber-reinforced composite restorations without proximal surface coverage.

Published in:

Odontology, 2024, v. 112, n. 4, p. 1274, doi. 10.1007/s10266-024-00905-5

By:

ElAziz, Rawda H. Abd;
ElAziz, Sherifa A. Abd;
ElAziz, Possy M. Abd;
Frater, Mark;
Vallittu, Pekka K.;
Lassila, Lippo;
Garoushi, Sufyan

Publication type:

Article

Impact of Nanofiller Fractions on Selected Properties of Microfilled Composite Resin.

Published in:

Chinese Journal of Dental Research, 2025, v. 28, n. 2, p. 115, doi. 10.3290/j.cjdr.b6260583

By:

PARPO, Enni;
LASSILA, Lippo;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan

Publication type:

Article

Effects of Different Polishing Protocols and Curing Time on Surface Properties of a Bulk-fill Composite Resin.

Published in:

Chinese Journal of Dental Research, 2020, v. 23, n. 1, p. 63, doi. 10.3290/j.cjdr.a44337

By:

LASSILA, Lippo;
DUPONT, Airald;
LAHTINEN, Karri;
VALLITTU, Pekka K.;
GAROUSHI, Sufyan

Publication type:

Article

Clinical Performance of Short Fibre-reinforced Glass lonomer Cement Restorations in Cervical Carious Lesions: 12-Month Randomized Clinical Trial.

Published in:

European Journal of Prosthodontics & Restorative Dentistry, 2024, v. 32, n. 3, p. 277, doi. 10.1922/EJPRD_2673AbdElAziz10

By:

Abd ElAziz, Possy M.;
Abd ElAziz, Rawda H.;
Abd ElAziz, Sherifa A.;
Vallittu, Pekka K.;
Lassila, Lippo;
Garoushi, Sufyan

Publication type:

Article

Influence of Monomer Systems on the Bond Strength Between Resin Composites and Polymerized Fiber-Reinforced Composite upon Aging.

Published in:

Journal of Adhesive Dentistry, 2019, v. 21, n. 6, p. 509, doi. 10.3290/j.jad.a43610

By:

Khan, Aftab A.;
Mohamed, Badreldin A.;
Al-Shamrani, Sultan Saleh;
Ramakrishnaiah, Ravikumar;
Perea-Lowery, Leila;
Säilynoja, Eija;
Vallittu, Pekka K.

Publication type:

Article

Creep Behavior of Resin Composite Interface Between Orthodontic Brackets and Enamel.

Published in:

Journal of Adhesive Dentistry, 2018, v. 20, n. 5, p. 417, doi. 10.3290/j.jad.a41308

By:

Durgesh, Bangalore H.;
Alkheraif, Abdulaziz A.;
Musaibah, Abobaker Salem;
Asiry, Moshabab A.;
Varrela, Juha;
Vallittu, Pekka K.

Publication type:

Article

Immediate Repair Bond Strength of Fiber-reinforced Composite after Saliva or Water Contamination.

Published in:

Journal of Adhesive Dentistry, 2018, v. 20, n. 3, p. 205, doi. 10.3290/j.jad.a40515

By:

Bijelic-Donova, Jasmina;
Flett, Andrew;
Lassila, Lippo V. J.;
Vallittu, Pekka K.

Publication type:

Article

Light Transmission of Novel CAD/CAM Materials and Their Influence on the Degree of Conversion of a Dualcuring Resin Cement.

Published in:

Journal of Adhesive Dentistry, 2017, v. 19, n. 1, p. 39, doi. 10.3290/j.jad.a37722

By:

Egilmez, Ferhan;
Ergun, Gulfem;
Cekic-Nagas, Isil;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article

Fiber-reinforced Composite Fixed Dental Prostheses with Various Pontics.

Published in:

Journal of Adhesive Dentistry, 2014, v. 16, n. 2, p. 161, doi. 10.3290/j.jad.a30755

By:

Perea, Leila;
Matinlinna, Jukka P.;
Tolvanen, Mimmi;
Lassila, Lippo V.;
Vallittu, Pekka K.

Publication type:

Article

Effects of Different Cavity Designs on Fracture Load of Fiber-reinforced Adhesive Fixed Dental Prostheses in the Anterior Region.

Published in:

Journal of Adhesive Dentistry, 2013, v. 15, n. 2, p. 131, doi. 10.3290/j.jad.a28505

By:

Aktas, Guliz;
Basara, Emine Goncu;
Sahin, Erdal;
Uctasli, Sadullah;
Vallittu, Pekka K.;
Lassila, Lippor V. J.

Publication type:

Article

Effect of Water Temperature on Cyclic Fatigue Properties of Glass-fiber-reinforced Hybrid Composite Resin and Its Fracture Pattern After Flexural Testing.

Published in:

Journal of Adhesive Dentistry, 2013, v. 15, n. 1, p. 19, doi. 10.3290/j.jad.a28884

By:

Kuroda, Soichi;
Shinya, Akikazu;
Vallittu, Pekka K.;
Nakasone, Yuji;
Shinya, Akiyoshi

Publication type:

Article

Effect of Water Storage on the Microtensile Bond Strength of Composite Resin to Dentin Using Experimental Rigid Rod Polymer Modified Primers.

Published in:

Journal of Adhesive Dentistry, 2011, v. 13, n. 4, p. 333, doi. 10.3290/j.jad.a19653

By:

Vuorinen, Anne-Maria;
Dyer, Scott R.;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article

Bonding of Composite Resin to Dentin Using Rigid Rod Polymer Modified Primers.

Published in:

Journal of Adhesive Dentistry, 2010, v. 12, n. 3, p. 175, doi. 10.3290/j.jad.a17538

By:

Vuorinen, Anne-Maria;
Dyer, Scott R.;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article

Effect of High Frequency Ultrasonic Agitation on the Bond Strength of Self-etching Adhesives.

Published in:

Journal of Adhesive Dentistry, 2009, v. 11, n. 5, p. 369

By:

Bagis, Bora;
Turkaslan, Suha;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article

Shear Bond Strength Between a Polyester-based Root Canal Filling Material and a Methacrylate-based Sealer with an Intermediate Layer of Fiber-reinforced Resin-based Material.

Published in:

Journal of Adhesive Dentistry, 2009, v. 11, n. 4, p. 325

By:

Nagas, Emre;
Cehreli, Zafer C.;
Durmaz, Veli;
Vallittu, Pekka K.;
Lassila, Lippo V. J.

Publication type:

Article