Pacific Coast Society of Orthodontists Bulletin Fall 2017 - 49

Pearls of the Pacific

Position Detection:
Oral-B Tooth Brushing App Feature
There is no question that regular tooth brushing
and a proper oral hygiene regimen is critical to
the success of orthodontic treatment. With the
popularization of electric toothbrushes, Bluetooth technology now allows pairing of an electric toothbrush to a mobile device, and a position
detection feature can help provide a productive
and interactive tooth brushing experience for all
ages.
Dr. Patricia Choi
Fremont, CA

Dr. Ronald Chung
Rancho Palos Verdes, CA

Any Bluetooth-enabled Oral-B electric toothbrush
can pair with an Android or iPhone; the corresponding application will not only coach the user
through a brushing routine, but also provide
feedback on brushing habits.
The position detection feature registers the
user's face via the front-facing camera on a
mobile phone, and divides the upper and lower
arches into six blue zones, as represented in Figure 1. The camera tracks the user's general movement during brushing, and the colors fade from

blue to white when sufficient time has been
spent in a given area. Though the position detection feature cannot register whether a person is
brushing on the labial or lingual surfaces of the
teeth, it can generally locate which sections of
the mouth require more focus.
The timer feature can also be customized for
orthodontic patients. Specified posterior and
anterior sections of the mouth stay illuminated
until 20 seconds have elapsed. After 20 seconds,
the illuminated sections of the mouth changes,
as shown in Figure 2, signaling the user to continue brushing in the highlighted areas. Data
such as the total number of brushing sessions
and the length of each session can also be tracked.
It is imperative that patients maintain scrupulous oral hygiene throughout orthodontic treatment. Interactive tooth brushing can help
facilitate this process. 

Figure 2. The lower left posterior section stays illuminated for 20 seconds, signaling where the patient
should brush (left photo). The anterior and lower right posterior section then follow.
Figure 1. The position detection
tool divides the upper and lower
arches into six zones. The colors
fade from blue to white once
enough brushing time has elapsed
in each zone.
Fall 2017  PCSO Bulletin

This is neither a paid ad nor an endorsement of Oral-B and its toothbrushes. There are many available
electric toothbrushes with Bluetooth technology that offer interactive brushing via mobile apps; these
will be reviewed at a later time.

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Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Fall 2017

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