There is only one model of equipment that uses the LM ®?

No, this technology develops in various equipment, available to doctors and dentists in particular there are two:

E-Light D including LM ® technology with dental mask and two masks for aesthetic medicine

Tulip MED D including LM ® technology for use in dentistry with dental mask

Recall that the odontiatrica form has three protocols: oral hygiene; and periodontal surgery