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. 2015 Apr 17;2015(4):CD004622. doi: 10.1002/14651858.CD004622.pub3

Summary of findings 3. FMS versus FMD for the treatment of adult chronic periodontitis.

FMS versus FMD for the treatment of adult chronic periodontitis
Patient or population: adults with chronic periodontitis
 Settings: university dental departments
 Intervention: FMS versus FMD
Outcomes Illustrative comparative risks* (95% CI) Relative effect
 (95% CI) No of Participants
 (studies) Quality of the evidence
 (GRADE) Comments
Assumed risk Corresponding risk
FMD FMS
Tooth loss           Not reported in any of the trials.
Change in PPD; single‐ and multi‐rooted teeth ‐ Whole mouth 
 probe
 Follow‐up: 3‐4 months The mean change in PPD; single‐ and multi‐rooted teeth ‐ whole mouth ranged across FMS groups from
 0.69 to 2.58 mm The mean change in PPD; single‐ and multi‐rooted teeth ‐ whole mouth in the intervention groups was
 0.11 lower 
 (0.34 lower to 0.12 higher)   45
 (2 studies) ⊕⊕⊝⊝
 low1 Similar result was found for the longer follow‐up of 6 to 8 months.
Subgroup analyses were undertaken for 1) single‐ and multi‐rooted teeth separately, and 2) for teeth with initial moderate (5‐6 mm) or high (> 6 mm) levels of PPD.
Change in CAL; single‐ and multi‐rooted teeth ‐ Whole mouth 
 Follow‐up: 3‐4 months The mean change in CAL; single‐ and multi‐rooted teeth ‐ whole mouth ranged across FMS groups from
 0.56 ‐ 1.99 mm The mean change in CAL; single‐ and multi‐rooted teeth ‐ whole‐mouth in the intervention groups was
 0.25 lower 
 (0.42 lower to 0.07 lower)   45
 (2 studies) ⊕⊕⊝⊝
 low1 The result for the 6 to 8 month follow‐up was not significant and did not indicate a benefit for FMS.
Subgroup analyses were undertaken for 1) single‐ and multi‐rooted teeth separately, and 2) for teeth with initial moderate (5‐6 mm) or high (> 6 mm) levels of PPD.
There was no consistent evidence of a benefit for either intervention
Change in BOP; single‐ and multi‐rooted teeth ‐ Whole mouth 
 probe
 Follow‐up: 3‐4 months The mean change in BOP; single‐ and multi‐rooted teeth ‐ whole mouth ranged across FMS groups from
 22 to 23 percent The mean change in BOP; single‐ and multi‐rooted teeth ‐ whole mouth in the intervention groups was
 1.59 lower 
 (9.97 lower to 6.80 higher)   45
 (2 studies) ⊕⊕⊕⊝
 low1 The result for the 6 to 8 month follow‐up had a smaller treatment effect and also did not indicate a benefit for either intervention.
Subgroup analyses were undertaken for 1) single‐ and multi‐rooted teeth separately, and 2) for teeth with initial moderate (5‐6 mm) or high (> 6 mm) levels of PPD.
There was no consistent evidence of a benefit for either intervention
*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
 CI: confidence interval; FMD: full mouth disinfection; FMS: full mouth scaling; PPD: probing pocket depth; CAL: clinical attachment level; BOP: bleeding on probing (BOP)
GRADE Working Group grades of evidence
 High quality: Further research is very unlikely to change our confidence in the estimate of effect.
 Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
 Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
 Very low quality: We are very uncertain about the estimate.

1One trial at high and one at unclear risk of bias. Small number of trials and participants. Downgraded two levels for design limitations and imprecision.