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FIXTURE DIAMETER INFLUENCE ON BIOMECHANICAL PERFORMANCE OF DENTAL IMPLANT ABUTMENT AND SCREW: A 3D FEA STUDY

Jurnal Pendidikan Teknik Mesin · Vol. 26 No. 01 (2026) · pp. 11–21

DOI
10.15294/jptm.v26i01.29583
ISSN
2503-1759, 2503-1759
Published
2026-08-10
Publisher
Universitas Negeri Semarang
Language
eng

Abstract

Dental implant stability hinges on fixture design, particularly diameter, influencing biomechanical performance. This study evaluates the impact of fixture diameter on von Mises stress, strain, and factor of safety in the abutment and screw of posterior dental implants using finite element analysis. A three-dimensional model of a mandibular first molar implant was developed with fixture diameters of 3.75, 4.0, and 5.0 millimeters, using Ti-6Al-4V and static loading simulating maximum voluntary clenching (177.38 N). Results show that the 5.0-millimeter diameter with a wider abutment reduces stress by 23.7 percent in the abutment and 33.9 percent in the screw, strain by 23.7 and 33.1 percent, respectively, and improves factor of safety, compared to 3.75 millimeters. The 5.0-millimeter diameter optimizes biomechanical stability, enhancing long-term implant success in posterior mandibular applications.

Keywords

Collaboration network of the authors

40 authors · 190 co-authorship links · 3 across different organisations · showing the 40 most connected

Hover or tap a name to highlight its co-authors. Double-click to open the author's page.

  • Cenderawasih University
  • Universitas Halu Oleo
  • State University of Semarang
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
JamariAffiliation unknown9
Febri Budi DarsonoAffiliation unknown9
DhiaulhaqueAffiliation unknown7
Ruben Bayu KristiawanAffiliation unknown5
Septian Eko CahyantoAffiliation unknown5
Mohd Syahmi JamaludinAffiliation unknown5
Muhammad KhumaediAffiliation unknown3
Wirawan SumbodoAffiliation unknown3
Rusiyanto RusiyantoAffiliation unknown2
Khoirudin FathoniState University of Semarang2
AbdurrahmanAffiliation unknown2
MUHAMMAD NUR FAIZINAffiliation unknown2
Atta Putra HarjantoAffiliation unknown2
R. Imanu Danar HerunandiAffiliation unknown2
Kriswanto KriswantoAffiliation unknown2
Heri YudionoAffiliation unknown2
Rizki SetiadiAffiliation unknown2
Ambo UpeUniversitas Halu Oleo1
Faturachman Alputra SudirmanUniversitas Halu Oleo1
Muhammad BasriAffiliation unknown1
Elsye GunawanCenderawasih University1
Qonita A. NisaCenderawasih University1
Yuliana Rut YabansabraCenderawasih University1
Tatang SutarmanCenderawasih University1
Andre M. WorabaiCenderawasih University1
Dimas A. SyafrudinCenderawasih University1
Fadil M. Al RidhaCenderawasih University1
Karlin MansumberCenderawasih University1
Kristina I. RahailCenderawasih University1
Marselina Ema KotenCenderawasih University1
Muhammad M. KhalilCenderawasih University1
Ota M. RumainumCenderawasih University1
Pitera WendaCenderawasih University1
Sarhana R.A. SaidCenderawasih University1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/JPTM/oai, first harvested 5 Nov 2026, last seen 8 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">FIXTURE DIAMETER INFLUENCE ON BIOMECHANICAL PERFORMANCE OF DENTAL IMPLANT ABUTMENT AND SCREW: A 3D FEA STUDY</dc:title>
	<dc:creator xml:lang="en">Rachael Andika</dc:creator>
	<dc:creator xml:lang="en">Kriswanto</dc:creator>
	<dc:creator xml:lang="en">Khoirul Huda</dc:creator>
	<dc:creator xml:lang="en">Rahmat Doni Widodo</dc:creator>
	<dc:creator xml:lang="en">J. Jamari</dc:creator>
	<dc:creator xml:lang="en">Athanasius Priharyoto Bayuseno</dc:creator>
	<dc:subject xml:lang="en">Dental implant</dc:subject>
	<dc:subject xml:lang="en">fixture diameter</dc:subject>
	<dc:subject xml:lang="en">finite element analysis</dc:subject>
	<dc:subject xml:lang="en">biomechanical stability</dc:subject>
	<dc:description xml:lang="en">Dental implant stability hinges on fixture design, particularly diameter, influencing biomechanical performance. This study evaluates the impact of fixture diameter on von Mises stress, strain, and factor of safety in the abutment and screw of posterior dental implants using finite element analysis. A three-dimensional model of a mandibular first molar implant was developed with fixture diameters of 3.75, 4.0, and 5.0 millimeters, using Ti-6Al-4V and static loading simulating maximum voluntary clenching (177.38 N). Results show that the 5.0-millimeter diameter with a wider abutment reduces stress by 23.7 percent in the abutment and 33.9 percent in the screw, strain by 23.7 and 33.1 percent, respectively, and improves factor of safety, compared to 3.75 millimeters. The 5.0-millimeter diameter optimizes biomechanical stability, enhancing long-term implant success in posterior mandibular applications.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Semarang</dc:publisher>
	<dc:date>2026-08-10</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/JPTM/article/view/29583</dc:identifier>
	<dc:identifier>10.15294/jptm.v26i01.29583</dc:identifier>
	<dc:source xml:lang="en">Jurnal Pendidikan Teknik Mesin; Vol. 26 No. 01 (2026): June 2026 "Special issues for finite element analysis"; 11 -21</dc:source>
	<dc:source>2503-1759</dc:source>
	<dc:source>2503-1759</dc:source>
	<dc:source>10.15294/jptm.v26i01</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/JPTM/article/view/29583/11028</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Jurnal Pendidikan Teknik Mesin</dc:rights>
</oai_dc:dc>