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Biomechanical Evaluation of Implant Angulation on the First Mandibular Premolar: A 3D Finite Element Study

Jurnal Pendidikan Teknik Mesin · Vol. 26 No. 01 (2026) · hlm. 32–44

DOI
10.15294/jptm.v26i01.29780
ISSN
2503-1759, 2503-1759
Terbit
2026-08-10
Penerbit
Universitas Negeri Semarang
Bahasa
eng

Abstrak

The design and orientation of dental implant connections play a critical role in biomechanical success, particularly in the posterior mandibular region, which is subjected to high occlusal loads. This study aims to evaluate the effect of varying abutment angulations (0°, 15°, and 25°) on stress distribution, strain, and safety factor in a reverse-buttress implant system using the Finite Element Analysis (FEA) approach. A 3D implant model was simulated within an idealized bone block using ANSYS software, applying a physiological static load of 240 N. The results showed that increasing abutment angulation significantly elevated both maximum stress and strain, particularly in the screw component, which experienced a peak stress of 455.89 MPa at 15°. The safety factor, calculated based on the yield strength of titanium grade 5 (880 MPa), decreased from 14.18 (0° abutment) to 2.94 (25° abutment). Although all configurations remained within safe limits (>1.5), the axial (0°) configuration demonstrated the most stable load distribution and the highest safety margin. This study underscores the importance of considering abutment angulation in implant planning and supports the use of safety factor–based FEA as a predictive tool for assessing implant structural safety.

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  • Cenderawasih University
  • State University of Semarang
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Rekan penulisOrganisasiArtikel bersama
Febri Budi DarsonoAfiliasi tidak diketahui9
JamariAfiliasi tidak diketahui8
Khoirul HudaCenderawasih University7
DhiaulhaqueAfiliasi tidak diketahui6
Ruben Bayu KristiawanAfiliasi tidak diketahui5
Wirawan SumbodoAfiliasi tidak diketahui4
Mohd Syahmi JamaludinAfiliasi tidak diketahui4
Fadhil Putra RamadhanAfiliasi tidak diketahui4
Kaleb PriyantoAfiliasi tidak diketahui4
Rachael AndikaAfiliasi tidak diketahui4
Beni Aji SubektiAfiliasi tidak diketahui4
Muhammad Iqbal RamadhaniAfiliasi tidak diketahui4
Muhammad KhumaediAfiliasi tidak diketahui3
Deni Fajar FitriyanaAfiliasi tidak diketahui3
Rifky IsmailAfiliasi tidak diketahui3
Rusiyanto RusiyantoAfiliasi tidak diketahui2
Heri YudionoAfiliasi tidak diketahui2
gunagung syahrul nizam sulkanAfiliasi tidak diketahui2
Fatkhu AmanullohAfiliasi tidak diketahui2
Rizki SetiadiAfiliasi tidak diketahui2
Januar Parlaungan SiregarAfiliasi tidak diketahui2
Khoirudin FathoniState University of Semarang1
AbdurrahmanAfiliasi tidak diketahui1
MUHAMMAD NUR FAIZINAfiliasi tidak diketahui1
Atta Putra HarjantoAfiliasi tidak diketahui1
R. Imanu Danar HerunandiAfiliasi tidak diketahui1
R. Ambar Kuntoro Mursit GendroyonoAfiliasi tidak diketahui1
Nugroho Fajar SusantoAfiliasi tidak diketahui1
Muhammad Wifaqurrokhman AbdissalamAfiliasi tidak diketahui1
Ari Dwi Nur Indriawan MusyonoAfiliasi tidak diketahui1
Muhamad Reza Wahyu PrasetyoAfiliasi tidak diketahui1
Tegar Oki PrasdikaAfiliasi tidak diketahui1
Imam Fitrah HadiAfiliasi tidak diketahui1
Prastiyo prasAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/JPTM/oai, pertama di-harvest 5 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Biomechanical Evaluation of Implant Angulation on the First Mandibular Premolar: A 3D Finite Element Study</dc:title>
	<dc:creator xml:lang="en">Rachman Rizaldy, Andrean</dc:creator>
	<dc:creator xml:lang="en">Kriswanto</dc:creator>
	<dc:creator xml:lang="en">Septian Eko Cahyanto</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">abutment angulation </dc:subject>
	<dc:subject xml:lang="en">finite element analysis</dc:subject>
	<dc:subject xml:lang="en">safety factor</dc:subject>
	<dc:subject xml:lang="en">Ti–6Al–4V</dc:subject>
	<dc:subject xml:lang="en">mandibular premolar</dc:subject>
	<dc:description xml:lang="en">The design and orientation of dental implant connections play a critical role in biomechanical success, particularly in the posterior mandibular region, which is subjected to high occlusal loads. This study aims to evaluate the effect of varying abutment angulations (0°, 15°, and 25°) on stress distribution, strain, and safety factor in a reverse-buttress implant system using the Finite Element Analysis (FEA) approach. A 3D implant model was simulated within an idealized bone block using ANSYS software, applying a physiological static load of 240 N. The results showed that increasing abutment angulation significantly elevated both maximum stress and strain, particularly in the screw component, which experienced a peak stress of 455.89 MPa at 15°. The safety factor, calculated based on the yield strength of titanium grade 5 (880 MPa), decreased from 14.18 (0° abutment) to 2.94 (25° abutment). Although all configurations remained within safe limits (&amp;gt;1.5), the axial (0°) configuration demonstrated the most stable load distribution and the highest safety margin. This study underscores the importance of considering abutment angulation in implant planning and supports the use of safety factor–based FEA as a predictive tool for assessing implant structural safety.</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/29780</dc:identifier>
	<dc:identifier>10.15294/jptm.v26i01.29780</dc:identifier>
	<dc:source xml:lang="en">Jurnal Pendidikan Teknik Mesin; Vol. 26 No. 01 (2026): June 2026 "Special issues for finite element analysis"; 32 - 44</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/29780/11030</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Jurnal Pendidikan Teknik Mesin</dc:rights>
</oai_dc:dc>