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A Modular Dental Tool for Holding Back Lips, Cheeks, and Tongue

A specialized dental device that keeps a patient's mouth open and clear by holding back the lips, cheeks, and tongue using a snap-fit, adjustable system.

Granted 2025ActiveExpires 2040Owned by IndividualInvented by Paul Moore, Hazel Hendy

Original patent title: “Dental device

Plain-English explanation by SahiLast reviewed · June 15, 2026

A specialized dental device that keeps a patient's mouth open and clear by holding back the lips, cheeks, and tongue using a snap-fit, adjustable system. Granted to Individual in 2025 with 13 claims.

Key facts

Patent numberUS 12409012
StatusActive
FieldConsumer Electronics
AssigneeIndividual
InventorsPaul Moore, Hazel Hendy
Filed2020
Granted2025
Claims13
Times cited0
LitigationNone on record
Value · $50K$158KMinimal

Coverage

What does this patent actually cover?

This device helps dentists keep a patient's mouth clear during procedures by managing soft tissues that usually get in the way. It features a circular lip retractor and two arch-shaped arms that push the cheeks outward. The most distinct part is the tongue retractor, which is a separate piece that attaches to the cheek arms using a strap. This strap slides into a channel on the arms and is held in place by a snap-fit mechanism, allowing the dentist to adjust the tongue's position precisely.

The gap

What does this patent NOT cover?

  • Does not cover dental retractors that lack a removable tongue-retraction component.
  • Does not cover systems that use adhesives or suction rather than a mechanical snap-fit channel to secure the tongue retractor.
  • Does not cover retractors that do not include a circumferentially continuous annular body for the lips.

These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.

What made this novel

The use of a channel with an over-hanging lip on the cheek arms allows the tongue retractor to be both removable and adjustable, solving the problem of a 'one-size-fits-all' tool that often fails to accommodate different mouth sizes.

Dental device(Primary claim)mechanicalconsumer electronics

Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.

Where you've seen this

Real-world examples

01

Dental photography kits

02

Orthodontic bonding procedures

03

Intraoral scanning setups

Why it matters

The bigger picture

Managing soft tissue is a major challenge in dentistry, especially during procedures like bonding or scanning where moisture and tongue movement cause errors. By providing a modular, adjustable system, this device aims to improve visibility and reduce the need for an assistant to manually hold tissues back.

Filed

February 25, 2020

Granted

September 9, 2025

Market context

Who's building on this

Companies in this space

The inventors are individual holders, suggesting this may be a niche innovation currently in the early stages of commercialization. Companies in the dental supply space, such as Dentsply Sirona or 3M, often monitor such modular designs to improve their own intraoral accessory lines.

Market impact

This patent introduces a specific mechanical standard for modular tongue management. If adopted, it could standardize how dental retractors are manufactured, moving away from bulky, fixed-frame designs toward more flexible, user-adjustable kits that improve ergonomics for the practitioner.

Claim 1 — Plain English

What this patent covers

This device helps dentists keep a patient's mouth clear during procedures by managing soft tissues that usually get in the way. It features a circular lip retractor and two arch-shaped arms that push the cheeks outward. The most distinct part is the tongue retractor, which is a separate piece that attaches to the cheek arms using a strap. This strap slides into a channel on the arms and is held in place by a snap-fit mechanism, allowing the dentist to adjust the tongue's position precisely.

The clever bit

The use of a channel with an over-hanging lip on the cheek arms allows the tongue retractor to be both removable and adjustable, solving the problem of a 'one-size-fits-all' tool that often fails to accommodate different mouth sizes.

What it does not cover

  • Does not cover dental retractors that lack a removable tongue-retraction component.
  • Does not cover systems that use adhesives or suction rather than a mechanical snap-fit channel to secure the tongue retractor.
  • Does not cover retractors that do not include a circumferentially continuous annular body for the lips.

Patent timeline

Filing

Application submitted to the patent office

Publication

Application published, typically 18 months after filing

Grant

Patent officially issued

PatentBrief Score

Impact Score

Early stage

Citation count

0/40

No citations yet

Claim breadth

9/20

Moderate scope

Recency

20/20

Granted within 5 years

Assignee scale

0/20

Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →

PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.

Heuristic Value Estimate

What this patent might be worth

Minimal

$50K$158K

Midpoint $99K · 13.7 yr remaining · industry ×2.2

Adjust inputs →

Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.

The original legal language

Original claims

13 claims as filed with the patent office.

Concepts involved

ClaimPrior artNon-obviousnessNoveltySpecificationAssigneePatent term

Citations

Patent lineage

Cites earlier patents

32

earlier patents this invention cites as foundations

View prior art →

Cite this patent

Moore, P., & Hendy, H. (2025). A Modular Dental Tool for Holding Back Lips, Cheeks, and Tongue (U.S. Patent No. 12,409,012). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/12409012/raptor-chamber-pressure

Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.

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Common Questions

Frequently Asked Questions

What does A Modular Dental Tool for Holding Back Lips, Cheeks, and Tongue cover?

A specialized dental device that keeps a patient's mouth open and clear by holding back the lips, cheeks, and tongue using a snap-fit, adjustable system.

Who owns patent US 12409012?

Individual owns this patent, granted in 2025.

When does this patent expire?

This patent is expected to expire on September 9, 2045, when the invention enters the public domain.

What problem does this patent solve?

Managing soft tissue is a major challenge in dentistry, especially during procedures like bonding or scanning where moisture and tongue movement cause errors. By providing a modular, adjustable system, this device aims to improve visibility and reduce the need for an assistant to manually hold tissues back.

What does this patent NOT cover?

Does not cover dental retractors that lack a removable tongue-retraction component.

Same assignee

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Last reviewed: June 15, 2026 · PatentBrief is not a law firm and this is not legal advice.