republic-os/legislation/us/states/il/93rd/hb-4157.md

---
type: "Bill"
title: "DENTAL HYGIENIST-PRACT DEF"
description: "Amends the Illinois Dental Practice Act. Makes changes in the definition of \"general supervision\" and defines \"patient of record\". Provides that none of the members of the Board of Dentistry shall be an officer, dean, assistant dean, or associate dean of a dental college or dental department of an institute of learning, nor shall any member be the program director of any dental hygiene program. Also provides that a board member who holds a faculty position in a dental school or dental hygiene program shall not participate in the examination of applicants for licenses from that school or program. Makes changes concerning acts that constitute the practice of dental hygiene. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "93rd"
identifier: "HB 4157"
citation: "Illinois HB 4157 (93rd)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 35
vote_count: 2
first_action: "2004-01-21"
last_action: "2004-07-28"
source: "openstates"
source_identifier: "ocd-bill/17ea8ddd-3ac6-4333-8523-26d1c6509503"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=4157&GAID=3&DocTypeID=HB&LegId=8272&SessionID=3&GA=93"
source_hash: "2047db9056ce579958997a97769d9e4d345257281b4226bcc84fadd4a85906f0"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois HB 4157 (93rd) — DENTAL HYGIENIST-PRACT DEF

Amends the Illinois Dental Practice Act. Makes changes in the definition of "general supervision" and defines "patient of record". Provides that none of the members of the Board of Dentistry shall be an officer, dean, assistant dean, or associate dean of a dental college or dental department of an institute of learning, nor shall any member be the program director of any dental hygiene program. Also provides that a board member who holds a faculty position in a dental school or dental hygiene program shall not participate in the examination of applicants for licenses from that school or program. Makes changes concerning acts that constitute the practice of dental hygiene. Effective immediately.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300HB4157&GA=93&SessionId=3&DocTypeId=HB&LegID=8272&DocNum=4157&GAID=3&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300HB4157eng&GA=93&SessionId=3&DocTypeId=HB&LegID=8272&DocNum=4157&GAID=3&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300HB4157enr&GA=93&SessionId=3&DocTypeId=HB&LegID=8272&DocNum=4157&GAID=3&Session=&print=true)

## Votes

- Third Reading — **57–0** (pass) · upper
- Third Reading — **113–0** (pass) · lower

## Sponsors

- Angelo Saviano — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2004-01-21** Filed with the Clerk by Rep. Angelo Saviano `filing`
- **2004-01-22** First Reading `reading-1`
- **2004-01-22** Referred to Rules Committee `referral-committee`
- **2004-02-03** Referred to Registration and Regulation Committee `referral-committee`
- **2004-02-03** Added Chief Co-Sponsor Rep. David E. Miller
- **2004-02-09** Added Co-Sponsor Rep. JoAnn D. Osmond
- **2004-02-10** Do Pass / Short Debate Registration and Regulation Committee; 012-000-000 `committee-passage`
- **2004-02-10** Placed on Calendar 2nd Reading - Short Debate
- **2004-02-10** Added Chief Co-Sponsor Rep. Renee Kosel
- **2004-02-10** Added Chief Co-Sponsor Rep. Monique D. Davis
- **2004-02-18** Added Chief Co-Sponsor Rep. Thomas Holbrook
- **2004-02-19** Second Reading - Short Debate `reading-2`
- **2004-02-19** Placed on Calendar Order of 3rd Reading - Short Debate
- **2004-02-19** Added Co-Sponsor Rep. Mary E. Flowers
- **2004-02-20** Third Reading - Short Debate - Passed 113-000-000 `reading-3, passage`
- **2004-02-24** Arrive in Senate `introduction`
- **2004-02-24** Placed on Calendar Order of First Reading February 25, 2004 `reading-1`
- **2004-02-24** Chief Senate Sponsor Sen. James A. DeLeo
- **2004-02-24** First Reading `reading-1`
- **2004-02-24** Referred to Rules `referral-committee`
- **2004-03-03** Added as Alternate Chief Co-Sponsor Sen. Antonio Munoz
- **2004-03-25** Assigned to Licensed Activities `referral-committee`
- **2004-03-31** Do Pass Licensed Activities; 006-000-000 `committee-passage`
- **2004-03-31** Placed on Calendar Order of 2nd Reading April 1, 2004
- **2004-04-01** Second Reading `reading-2`
- **2004-04-01** Placed on Calendar Order of 3rd Reading April 20, 2004
- **2004-05-05** Added as Alternate Chief Co-Sponsor Sen. Donne E. Trotter
- **2004-05-05** Added as Alternate Chief Co-Sponsor Sen. Terry Link
- **2004-05-05** Added as Alternate Chief Co-Sponsor Sen. Don Harmon
- **2004-05-05** Third Reading - Passed; 057-000-000 `reading-3, passage`
- **2004-05-05** Passed Both Houses
- **2004-06-03** Sent to the Governor `executive-receipt`
- **2004-07-28** Governor Approved `executive-signature`
- **2004-07-28** Effective Date July 28, 2004
- **2004-07-28** Public Act . . . . . . . . . 93-0821 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/17ea8ddd-3ac6-4333-8523-26d1c6509503`. Confidence: reported (aggregated from official Illinois legislature records).