dental hygenist role

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The definition includes elements that do not contribute directly to defining, 
and which would be better captured in an editor note. In particular we don't 
include things that are true of "most" or elements that are "usually" true.

-> Is this enough? Do we have to rule out not being a dentist or assistant?

A dental health care provider role that inheres in a person who is a
licensed dental professional that specializes in preventative care.

"licensed or registered"
Are there places where registration or licensure is not required? Perhaps 
something about being regulated?
In India it looks like there are regulations about education but not 
requirements for license or registration
http://idhta.org/files/DH-Regulation-2008.pdf
Maybe something about being conferred the title 

-> this belongs in an editor note, not definition

Professional prophylaxis, radiographs, sealants, and nonsurgical
periodontal therapy are among the procedures performed by a
hygienist. Most are licensed to administer local anesthesia, depending
on applicable regulations in their area. They usually work for a
dentist in a dental office or clinic under a form of supervision. In
some locations hygienists are allowed to practice without a dentist's
supervision.

Original issue reported on code.google.com by alanruttenberg@gmail.com on 20 Dec 2014 at 7:10

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Similar issue with dental assistant

A dental health care provider role that inheres in a person who is a an 
auxiliary to the dental operator. 

Dental assistant role
Now: A dental health care provider role that inheres in a person who is a an 
auxiliary to the dental operator. 

dental operator not defined. Auxiliary 

Offered: A dental health care provider role that inheres in a person
who is not a dentist but is supervised by a dentist and which is
realized when the assistant helps a dentist during a dental procedure
or does one of a limited number of kinds of dental procedures on
patients under the direction of a dentist.

Q, by this definition dental hygenist role is a dental assistant role. If not, 
what differentiates.

e.g. 

"A dental assistant in the state of Alabama may perform basic
supportive dental procedures specified by the state dental practice
act under the direct supervision of a licensed dentist."

Perhaps mention something about licensure although this may be US specific or 
that specific requirements vary. E.g.
http://www.tsbde.state.tx.us/index.php?option=com_content&task=view&id=103&Itemi
d=75

"Qualified Dental Assistant" is a dental assistant who has received on-the-job 
training or instruction through a dental assisting school.  There is no 
credential for this level of training or instruction.

"Registered Dental Assistant" is a dental assistant who has successfully 
completed the state-level registration process with the SBDE.  Dental 
Assistants who successful register and have been issued a Dental Assistant 
Registration Certificate by the SBDE may use the credential "Registered Dental 
Assistant" or "RDA".

"Certified Dental Assistant"  is a dental assistant who meets the education 
and/or experience prerequisites established by the Dental Assistant National 
Board (DANB) and passes the DANB Certified Dental Assistant (CDA) Examination 
(including Radiation Health and Safety (RSH), Infection Control (ICE) and 
national-level General Chairside (GC) component(s), is currently CPR-certified 
and continues to maintain the CDA credential by meeting DANB requirements.  
Dental Assistants who complete this process may use the credential "Certified 
Dental Assistant" or "CDA".

Original comment by alanruttenberg@gmail.com on 20 Dec 2014 at 7:20

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I wonder if both roles are defined less by specifics than by the fact that they 
are three roles (including dentist) with differing levels of permissions 
(dentist < hygienist < assistant) with the specific constructed on that basis 
by each regulatory region.

Original comment by alanruttenberg@gmail.com on 20 Dec 2014 at 7:23

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This is all a little bit academic.  I think we should keep this simple. The 
discussion of how dental healthcare providers are licensed is really outside of 
the scope of this project.

Some simple statements that may inform the definition:

- Dentists  provide dental care to patients. (NB:  not just preventative care!)
- Dentists  supervise/work with dental auxiliaries (which include  dental 
hygienists and assistants).
- As Alan already meant (but not wrote ;-) ), dentist > hygienist > assistant  
in terms of what they are allowed to do.

Original comment by titus.sc...@gmail.com on 7 Jan 2015 at 1:46