PURPOSE: This study aims to investigate the effects of four different @entity432 schemes and different excursions on peri-implant strains of a maxillary @entity235 implant. MATERIALS AND METHODS: Four metal crowns with different occlusion schemes were attached to an implant in the maxillary @entity235 region of a resin model. The included schemes were @entity235 -guided (CG) occlusion, group function (GF) occlusion, long centric (LC) occlusion, and @entity737 ( @entity737 ) occlusion. Each crown was loaded in three sites that correspond to maximal intercuspation (MI), 1 mm excursion, and 2 mm excursion. A load of 140 N was applied on each site and was repeated 10 times. The peri-implant strain was recorded by a rosette strain gauge that was attached on the resin model buccal to the implant. For each loading condition, the maximum shear strain value was calculated. RESULTS: The different schemes and excursive positions had impact on the peri-implant strains. At MI and 1 mm positions, the GF had the least strains, followed by @entity737 , CG, and LC. At 2 mm, the least strains were associated with GF, followed by CG, LC, and @entity737 . However, regardless of the occlusion scheme, as the excursion increases, a linear increase of peri-implant strains was detected. CONCLUSION: The peri-implant strain is susceptible to occlusal factors. The eccentric location appears to be more influential on peri-implant strains than the occlusion scheme. Therefore, adopting an occlusion scheme that can reduce the occurrence of occlusal contacts laterally may be beneficial in reducing peri-implant strains.

Effect of different XXXX schemes on peri-implant strain: A laboratory study.

@entity432 :: ('MESH:D001157', 'Disease') :: ['lateral occlusion'] @entity737 :: ('MESH:D057873', 'Disease') :: ['IP', 'implant-protected'] @entity235 :: ('9615', 'Species') :: ['canine']
@entity432 :: (MESH:D001157,Disease) :: ['lateral occlusion']
