Ana Catarina Nogueira da Silva
Ana Catarina Nogueira da Silva
PT EN

Lasers, explained.

Short videos in which Prof. Ana Catarina explains, straight to camera, how lasers work in dentistry — for patients and for fellow dentists. Some videos are in Portuguese.

Featured

Laser dentistry: myth or fact?

In English

There are still many misconceptions about lasers in dentistry. In this video, myths and facts are separated — with science.

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For patients

What you need to know.

Advantages, myths, safety and the questions most often asked in clinic.

  • In Portuguese

    The advantages of lasers in dentistry

    Greater precision, less tissue trauma and better clinical control — and why results always depend on the knowledge of the person using it.

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  • In Portuguese

    Myths about lasers in dentistry

    The biggest myth? That a laser is always the best option. Its value depends on the indication, the diagnosis and how it is used.

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  • In Portuguese

    Laser safety

    Safety doesn’t depend on technology alone: it depends on parameters, technique and protective measures such as proper eye protection.

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  • In English

    3 things patients ask about laser dentistry

    The three questions she hears every week in clinic — answered in 20 seconds.

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  • In English

    Frenectomy with an erbium laser

    Why the erbium laser, with its high absorption in water, allows a precise, controlled and more comfortable lip frenectomy.

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For dentists

Clinical reasoning before technology.

Parameters, protocols, choosing equipment and integrating lasers into clinical practice.

  • In Portuguese

    The first thing I teach about lasers

    Clinical reasoning always starts with the diagnosis and the biological goal of treatment. Only then are the laser and parameters chosen.

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  • In Portuguese

    The most common mistake when using a laser

    It isn’t a lack of equipment — it’s a lack of protocol: diagnosis, tissue type, chromophore, biological goal and emission mode.

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  • In Portuguese

    Is power the most important parameter?

    The effect of a laser comes from a combination of factors and from how energy is delivered to the tissue.

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  • In Portuguese

    The most common mistake when choosing a laser

    Starting with the equipment. First come the clinical indications, the treatment goals and how it will fit into practice.

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  • In Portuguese

    Integrating lasers into clinical practice

    The value of a laser lies in its integration — indications, protocols and day-to-day application — not just in using it.

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  • In English

    Which laser should I buy?

    The best choice isn’t the device with the most features, but the one that matches your clinical goals and the procedures you want to perform.

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  • In English

    My biggest concern about lasers

    Using a laser without understanding tissue interaction, clinical goals and treatment parameters.

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Appointments

Every treatment starts with a careful assessment.

She sees patients in Lisbon, at White Clinic, and in Porto, at the Institute of Laser Dentistry. Appointments are booked directly with each clinic.

See clinic contact details