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  • Plaque removal and...

Plaque removal and local use of chlorhexidine chips improves peri-implantitis: Study

Dr. Nandita MohanWritten by Dr. Nandita Mohan Published On 2021-03-28T16:34:22+05:30  |  Updated On 28 March 2021 11:04 AM GMT
Plaque removal and local use of chlorhexidine chips improves peri-implantitis: Study

Researchers have found in a new study that patients with peri-implantitis that were treated with an intensive treatment protocol of bi-weekly supragingival plaque removal and local application of chlorhexidine chips had greater mean implant pocket depths (IPD) reduction. The study is published in the Journal of Periodontology. Peri-implantitis is a challenging condition to manage...

Researchers have found in a new study that patients with peri-implantitis that were treated with an intensive treatment protocol of bi-weekly supragingival plaque removal and local application of chlorhexidine chips had greater mean implant pocket depths (IPD) reduction.

The study is published in the Journal of Periodontology.

Peri-implantitis is a challenging condition to manage and is frequently treated using non-surgical debridement. The local delivery of antimicrobial agents has demonstrated benefit in mild to moderate cases of peri-implantitis.

Therefore, Eli E Machtei and colleagues from the Department of Periodontology, School of Graduate Dentistry, Faculty of Medicine, Technion (I.I.T.), Rambam health care campus, Haifa, Israel conducted the study to compare the safety and efficacy of chlorhexidine gluconate 2.5 mg chip (CHX chips) as an adjunctive treatment to subgingival debridement in patients afflicted with peri-implantitis.

The authors conducted a multicenter, randomized, single-blind, two-arm, parallel Phase-3 study. Peri-implantitis patients with implant pocket depths (IPD) of 5-8 mm underwent subgingival implant surface debridement followed by repeated bi-weekly supragingival plaque removal and chlorhexidine chips application (ChxC group) for 12 weeks, or similar therapy but without application of ChxC (control group).

All patients were followed for 24 weeks. Plaque and gingival indices were measured at every visit whereas IPD, recession, and bleeding on probing were assessed at 8, 12, 16, 24 week. A total of 290 patients were included: 146 in the ChxC group and 144 in the control.

The following findings were observed-

a. At 24 weeks, a significant reduction in IPD (P = 0.01) was measured in the ChxC group (1.76 ± 1.13 mm) compared with the control group (1.54 ± 1.13 mm).

b. IPD reduction of ≥2 mm was found in 59% and 47.2% of the implants in the ChxC and control groups, respectively (P = 0.03).

c. Changes in gingival recession (0.29 ± 0.68 mm versus 0.15 ± 0.55 mm, P = 0.015) and relative attachment gain (1.47 ± 1.32 mm and 1.39 ± 1.27 mm, P = 0.0017) were significantly larger in the ChxC group.

d. Patients in the ChxC group that were < 65 years exhibited significantly better responses (P < 0.02); likewise, non-smokers had similarly better response (P < 0.02).

e. Both protocols were well tolerated, and no severe treatment-related adverse events were recorded throughout the study.

Hence, it was concluded that "patients with peri-implantitis that were treated with an intensive treatment protocol of bi-weekly supragingival plaque removal and local application of chlorhexidine chips had greater mean IPD reduction and greater percentile of sites with IPD reduction of ≥2 mm as compared with bi-weekly supra-gingival plaque removal."


chlorhexidine chips effective peri-implantitis Journal of Periodontology 
Source : Journal of Periodontology
Dr. Nandita Mohan
Dr. Nandita Mohan

    BDS, MDS( Pedodontics and Preventive Dentistry)

    Dr. Nandita Mohan is a practicing pediatric dentist with more than 5 years of clinical work experience. Along with this, she is equally interested in keeping herself up to date about the latest developments in the field of medicine and dentistry which is the driving force for her to be in association with Medical Dialogues. She also has her name attached with many publications; both national and international. She has pursued her BDS from Rajiv Gandhi University of Health Sciences, Bangalore and later went to enter her dream specialty (MDS) in the Department of Pedodontics and Preventive Dentistry from Pt. B.D. Sharma University of Health Sciences. Through all the years of experience, her core interest in learning something new has never stopped. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751

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