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Published on: June 24, 2018
Bruxism and Dental Implants: A Meta-Analysis.
Bruno Ramos Chrcanovic1, Tomas Albrektsson, Ann Wennerberg
1*PhD Student, Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden. †Retired Professor and Former Head, Department of Biomaterials, Göteborg University, Göteborg, Sweden; Guest Professor, Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden. ‡Professor and Head, Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden.
Dental implant failure rates may be higher in bruxers compared to non-bruxers. However, more specific studies are needed to confirm if bruxing habits impact implant success.
Area of Science:
- Dental Implantology
- Biomaterials Science
- Oral Surgery
Background:
- Bruxism, characterized by involuntary grinding or clenching of teeth, is a common condition.
- The impact of bruxism on the long-term success of dental implants remains a subject of ongoing research.
- Understanding potential risk factors like bruxism is crucial for optimizing dental implant outcomes.
Purpose of the Study:
- To evaluate the difference in dental implant failure rates between patients with bruxism and those without.
- To investigate the association between bruxism and postoperative infection and marginal bone loss around dental implants.
Main Methods:
- A comprehensive electronic literature search was conducted in June 2014.
- Included studies were clinical investigations, encompassing both randomized and non-randomized trials.
- Data extraction focused on implant survival, infection rates, and marginal bone loss.
Main Results:
- Ten publications were analyzed, involving 760 implants in bruxers (6.45% failure rate) and 2989 implants in non-bruxers (3.65% failure rate).
- A statistically significant higher risk ratio (2.93) for implant failure was observed in bruxers (P = 0.002).
- Meta-analyses for postoperative infection and marginal bone loss were not feasible due to insufficient data.
Conclusions:
- The current evidence is insufficient to definitively conclude that bruxism affects dental implant failure rates.
- Limitations include a small number of studies, low specificity, and a lack of control groups in many included studies.
- Further high-quality research is required to establish the precise effect of bruxing habits on osseointegration and the survival of endosteal dental implants.
