Dental laser treatment device

Details Dental laser treatment device Dental laser treatment device

2011-04-26

2011-04-26

Johnson, III, Henry M (Department: 3769)

Surgery

Instruments

Light application

C606S010000, C606S014000, C607S089000

Reexamination Certificate

active

07931645

ABSTRACT:
Described are a handpiece, a coupling, and a device with a laser source and handpiece for emitting a laser beam for dental treatment. In order to avoid damage to the healthy tooth tissue, an improved determination of the tooth temperature by measurement of at least part of the heat radiation emitted from the treatment area using a temperature sensor, preferably an infra-red sensor, is carried out. Upon reaching or exceeding a temperature threshold, the emission of the laser beam to the treatment area is interrupted or the power output of the laser source reduced or the user made aware of the violation of the threshold value using an acoustic or visual signal. The temperature sensor can be located, e.g., on the handpiece or on the coupling, such as on the coupling tube.

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European Search Report for EPC Patent Application No. 05 00 9295.

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