The Er:YAG laser possesses specific characteristics allowing to be used in non-surgical periodontal treatment. The aim of the resent study was to evaluate the long-term clinical effectiveness of Er:YAG laser monotherapy in the treatment of moderate chronic periodontitis and to compare it with conventional hand instrumentation. MATERIALS AND METHODS: 451 teeth (1,099 periodontal pockets) from 30 patients with moderate chronic periodontitis (initial probing pocket depth 4 to 6 mm) were allocated for subgingival scaling and root planing in two groups - hand instrumentation (control) and Er:YAG laser instrumentation with 100mJ/15Hz (test). Using a computerized periodontal probe, patients were examined for probing pocket depth (PPD), gingival recession (GR), clinical attachment level (CAL), bleeding on probing (BOP), plaque presence (FMPS) at baseline, one, three, six and 12 months after instrumentation.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
30
Probing pocket depth
Change in PPD (measured as a distance between the gingival margin and the depth of the pocket) using computerised periodontal probe
Time frame: 1 year
Gingival recession
Change in GR (measured as a distance between the gingival margin and the cement-enamel junction) using computerised periodontal probe
Time frame: 1 year
Clinical attachment level
Change of CAL (measured as a distance between the cement-enamel junction and the depth of the pocket) using computerised periodontal probe
Time frame: 1 year
Bleeding on probing
Change in BoP
Time frame: 1 year
Plaque level
Change of Plaque index
Time frame: 1 year
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