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Bone density around titanium implants may benefit from smoking cessation: a histologic study in rats
João B César-Neto1, Bruno B Benatti, Enilson A Sallum
1Department of Prosthodontics and Periodontics, Division of Periodontics, School of Dentistry at Piracicaba, UNICAMP, Piracicaba, São Paulo, Brazil.
The International Journal of Oral & Maxillofacial Implants
|November 9, 2005
Summary
Cessation of cigarette smoke inhalation (CSI) can reverse its negative effects on bone density around dental implants. Even temporary breaks from smoking may lead to improved bone quality and satisfactory implant outcomes.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Bone Biology
Background:
- Cigarette smoke inhalation (CSI) is known to negatively impact bone quality, potentially affecting the success of dental implants.
- Understanding the reversibility of these effects is crucial for patient outcomes and treatment planning.
Purpose of the Study:
- To investigate whether interrupting cigarette smoke inhalation (CSI) can reverse its detrimental effects on the bone quality surrounding dental implants.
- To evaluate the impact of different durations and timings of CSI cessation on peri-implant bone density.
Main Methods:
- Sixty-nine rats were divided into four groups: control, continuous CSI, CSI cessation before implantation, and temporary CSI cessation around implantation.
- Bone density was quantified in a 500-microm-wide zone lateral to the implants.
- Statistical analysis was performed to compare bone density across groups.
Main Results:
- Continuous CSI significantly decreased bone density in cancellous bone compared to control and cessation groups (P < .05).
- No significant differences in cortical bone density were observed between any of the groups (P > .05).
- Bone density in cancellous bone returned to control levels when CSI was ceased, even temporarily.
Conclusions:
- The negative impact of cigarette smoking on cancellous bone quality around titanium implants is reversible.
- Cessation of smoking, even for a limited period, can allow bone quality to recover, suggesting potential for successful implant outcomes in former smokers.