Chia Room 3


International Academy of Innovative Dentistry IAID and Academy of Laser Dentistry-ALD Italy Study Club

Non-Surgical and Surgical Periodontal Laser Applications

Scientific co-ordinator: Giovanni Olivi

(MD,DDS) President of International Academy of Innovative Technology (IAID) and Chair of ALD Italy Study Club.

MODERATORS: Giovanni Olivi

9.00 - 9.45 | Effects of PBMT and aPDT in management of periodontitis and peri-implantitis

Nasim Chiniforush

The successful treatment of periodontal problems and peri-implantitis is greatly related with the control of bacteria. The aim of this lecture was to compare the efficacy of different photosensitizers on reduction of bacteria involved in periodontitis and peri-implantitis. The anti-bacterial efficacy with anti-microbial photodynamic therapy (aPDT) with indocyanine green, Toluidine blue, Methylene blue, Phycocyanin and curcumin activated different light sources will be assessed. This new approach of using aPDT with natural and chemical photosensitizer with potential biological activities can be beneficial as an adjunct to conventional therapy.

Photobiomodulation therapy (PBMT) is based on the application of laser or LED to trigger photochemical changes within cellular structures. The principle behind the application of PBMT is the direct application of light energy with biomodulatory capacity on body cells. Wound healing can be achieved by photobiomodulation effect on cell proliferation, migration, and differentiation. Higher collagen synthesis and vascular proliferation an increase in cell division in epithelial cells are also considered. The effect of PBMT on healing of wound after periodontal surgeries can show different effects depending on such factors as wavelength, output power, time of irradiation, energy density, and number of treatment sessions.

9.45 - 10.30 | Laser-assisted Management of Excessive Gingival Display caused by Altered Passive Eruption?

Walid Altayeb

Excessive gingival display “gummy smile” seems to be one of the main esthetic feature of the periodontium that plays an important role on oral health-related quality of life and can have an adverse effect on the patient’s perception of attractiveness and self-confidence. Altered passive eruption APE is one of the causal factors of Excessive gingival display. Esthetic crown lengthening surgery could be considered a predictable protocol for APE and achieving more harmonious and symmetrical smiles.

Clinical Implications: Esthetic crown lengthening surgery to manage APE could include gingivectomy and/or apically repositioned full-thickness flap, with/without ostectomy. The width of keratinized gingiva, the position of the gingival margins, the location of the buccal alveolar crest, the location of the mucogingival junction, and the likelihood of concomitant restorative therapy are all factors that collectively determine the esthetic crown lengthening approach. Clinical application of lasers in periodontal surgery has continued to expand in the last decade and the concept of minimally invasive dentistry can be achieved by choosing laser treatment. The ability of erbium lasers to ablate both hard and soft tissues with excellent surgical precision and minimal collateral effects creates the opportunity for a minimally invasive flap and flapless, resulting in decreased tissue damage, minimize the bleeding, causing less inflammation, less post-operative discomfort, and may prevents collateral tissue damage that could occur with conventional methods. In conclusion, Laser-assisted aesthetic crown lengthening is a predictable procedure, less traumatic, faster uneventful wound healing, and overall a positive experience for the patients.

Learning Objectives:

    • Understanding of the classification and treatment planning for gummy smile
    • Explain the biologic laser tissue interaction in periodontal tissues
    • Plan the periodontium preparation prior to prosthetic treatments
    • Demonstrate the surgical techniques when performing esthetic crown lengthening with lasers

10.30 - 11.15 | Post-extraction Treatment with Er:YAG and Nd:YAG Lasers – Socket Preservation

Aleksandra Krizaj Dumic

BACKGROUND: Alveolar bone resorption is a normal response following tooth extraction that may affect the outcome of the ensuing therapies aimed to restore the mastication function. Effective methods for reducing the bone loss, accelerating bone healing, and making it more predictable are actively sought.

AIM: The aim of this lecture is to present a comprehensive laser post-extraction protocol using erbium (Er:YAG; 2940 nm) and neodymium (Nd:YAG; 1064 nm) laser wavelengths and comparing the resulted alveolar bone regeneration to that obtained after standard extraction procedure.

Most common indications for extraction in this study were chronic periodontitis and endodontic peri-apical radiolucency with no indication to the therapy.

Lasers were used immediately after extraction for degranulation (Er:YAG), disinfection (Nd:YAG), de-epithelialization of the surrounding gingiva (Er:YAG), clot stabilization (Nd:YAG), and photobiomodulation (Nd:YAG). Photobiomodulation was repeated also on day 3, 5, and 7.

The primary outcome measured VAS change in bone density in the extraction area between day 1 and 4 months after extraction as measured by grey scale value (GSV) on CBCT scan. The laser procedure produced no post-operative pain, bleeding, or swelling, together to better bone healing achieved, as shown by higher increase in GSV at the follow-up CBCT in laser patients compared to control patients (Effect: +147 GSV, 95% Confidence interval: 106–187 GSV, p<0.001).

The results show that the proposed laser post-extraction procedure is a safe and effective method to improve post-extraction bone healing.

11.15 - 12.15 | BREAK


Giovanni Olivi

The PIPS/SWEEPS technology is used to activate irrigants commonly used in endodontics (NaOCl and EDTA) but cannot substitute standard instrumentation. The insertion of the fiber tip into the access cavity allows for efficient irrigation even when there’s minimal canal preparation ISO 20-25/04.
PIPS/SWEEPS protocol has been validated by abundant research data and not only . Scanning electron microscopy, confocal scanning laser microscopy and the micro ct scan have all been used to evaluate the cleansing of the smear layer, debris and pulpal tissue. Published bacteriological studies have confirmed the elevated in-depth cleansing and disinfection attained using these techniques.
In this lecture a panorama of scientific concepts at the base of the PIPS/SWEEPS clinical applications as well as a series of clinical cases will be presented.


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12° Congresso Internazionale e 23° Meeting sardo dal titolo "Focus on the Simplicity of Excellence"


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