Influence of anaerobic adhesive on the resonance frequency analysis measured in abutments with external hexagon and conical connections: an in vitro study.

IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Frederico Santos Lages, Clara Almeida Mares, Fernando Teodoro Metzker Lyra, Isabelle Lawrence Gomes da Silva, Ana Flor Sá, Danilo Rocha Dias
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引用次数: 0

Abstract

Objectives: To evaluate whether the application of an anaerobic adhesive (AA) to the abutment screws interferes with the implant stability quotient (ISQ) values in abutments with external hexagon (EHC) and conical connections (CC).

Materials and methods: 20 implants 4.0 mm x 10 mm were used, with similar formats, 10 with EHC and 10 with CC, inserted by the same operator into fresh bovine ribs. The abutment was then screwed with a high precision digital torque meter, and resonance frequency was measured. The abutments were then unscrewed, a drop of Loctite 242 adhesive was applied along the entire length of the thread, the abutments were screwed again (Groups EHC-AA and CC-AA). The ISQ was registered immediately, 24 h, and 72 h after installation. Data were analyzed using descriptive statistics and comparison tests (p < 0.05).

Results: ISQ values measured in abutments without AA were significantly higher than those measured after applying the adhesive, for EHC and CC. The one-way repeated measures ANOVA showed that, in the intragroup analysis, there was no statistically significant difference in the ISQ, comparing the three measurement moments after applying the adhesive, irrespective of connection system (CC: F = 0.191, p = 0.827; EHC: F = 0.323, p = 727), which suggests that the adhesive curing does not affect the ISQ.

Conclusions: The use of an AA on abutment screws had a significant effect on RFA measurements, for EHC and CC. The curing time of the AA did not affect the ISQ values measured in the abutments.

Clinical relevance: The ISQ values cannot be compared in situations with and without AA.

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来源期刊
Clinical Oral Investigations
Clinical Oral Investigations 医学-牙科与口腔外科
CiteScore
6.30
自引率
5.90%
发文量
484
审稿时长
3 months
期刊介绍: The journal Clinical Oral Investigations is a multidisciplinary, international forum for publication of research from all fields of oral medicine. The journal publishes original scientific articles and invited reviews which provide up-to-date results of basic and clinical studies in oral and maxillofacial science and medicine. The aim is to clarify the relevance of new results to modern practice, for an international readership. Coverage includes maxillofacial and oral surgery, prosthetics and restorative dentistry, operative dentistry, endodontics, periodontology, orthodontics, dental materials science, clinical trials, epidemiology, pedodontics, oral implant, preventive dentistiry, oral pathology, oral basic sciences and more.
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