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Benefits

Procedure

Case Study

Kits

Literature

The Twin Luscent winning combination:

• light transmission

• esthetic

• twice the retention

Twin Luscent Anchors Light Transmitting Esthetic Posts for Endodontically Treated Teeth

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Superior functional and esthetic restoration

Patient

Time-saving procedure, superior end product

Clinician

Primary Benefits

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Strengthens the restorationStrong

Compatible with brand name dual-cure adhesives/resinsConvenient

Single visit procedure: simultaneously luting the anchor and building a monoblock core

Fast

Removable Easily removed using Dentatus reamers

Primary Benefits

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Esthetic

Twin Luscent Anchors eliminate shadows at the gingival, root and crown interface as well as through thin composite restoration

Twin Luscent Anchors reflect the surrounding colors and hues compatible with natural esthetics

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Including:

• Large canals weakened after endondontic treatment

• Extension of caries into the coronal portion and pulp chamber

• Developmental anomalies

• Trauma or over-preparation of root canal

Light Transmitting

Twin Luscent Anchors effectively polymerize composite within the deep confines of canals

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Light or dual-cure composites bond to the fiberglass-reinforced anchors and the canal wall creating a cohesive and very strong foundation

Monoblock Strength

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Clinicians Report: Reduced Incidence of Root Fractures

Potential fracture location with fiberglass-reinforced composite postsTwin Luscent

Anchors absorb and dissipate sudden stresses

Vector of Force

Vector of Force

FracturedPost and

Crown

FracturedPost and Crown

Potential fracture location with metal posts

Vector of Force

Fracturedroot

Vector of Force

Fracturedroot

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Removable

Anchors are easily removed with either a large size NiTi rotary engine file or Dentatus Reamer

Example

Post fracture-post removal

• Cut post flush to tooth

• Create pilot hole with small round bur

• Remove post with Gates Glidden #4 or Probos Pathfinder

• Continue to remove post with largest nickel titanium rotary file

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Example (continued)

• Probos Pathfinder or Gates Glidden down the center of the post

• Large Nickel Titanium file in rotary handpiece to remove remaining post

• Cement post or cast post and core

• Restore with at least 1.5-2.0 mm ferrule

Removable

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Element Benefit

Narrow radial midsection

Mechanical resistance

Provides double retention against accidental debonding of resins and other restorative materials

Longitudinal vent-grove

Easy release of excess resin

Eliminates hydro-static pressure

Anti-rotational resistance

Creates an anti-rotational resistance in the surrounding polymerized resin

Cone-shaped end/parallel end

Double end alternatives

Cone-shaped end can be placed in deeper/narrower canals without excess removal of dentin or canal wall

Parallel and can be alternatively placed into wider canals

Anchor DesignTwin Luscent Anchor

Original Luscent Anchor

Optimal choice for very narrow and small canals, from 0.8 mm to 1.2mm

True taper

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Shape Matches Root Form

Twin Luscent and Luscent Anchors completely fit within the confines of natural teeth

Anchor design is tapered apically to match root form, minimizing unnecessary removal of dentin in the canal

Twin Luscent Luscent

apical

seal

CEJ

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Benefits of the Physical Properties

Longitudinal fiberglass rods in a bondable matrix resin has modulus of elasticity most closely resembling dentin

Post Mod. Elast.

Fibrekor 22.22

Luscent 20.41

Cerapost 156.63

Cosmopost 152.01

Source: Al-Harbi FA, Nathanson D. Mechanical and retentive properties of new aesthetic posts. J Dent Tex 80 (AADR Abstracts) 2001, (Boston University, Boston Mass).

Finished Elements Manners (FEM) ofthe stress in the interface dentin-post

Steel post maximum stress 7.51 MpaCarbon post maximum stress 3.45 MpaGlass post maximum stress 2.22 Mpa

The results show the best behavior of glass fiber posts which are the most elastic.

Source: Sandro Rengo. Atti del Ill Simposio Internazionale Odontioiatria Adesiva e Ricosruttiva

Dentin 20.10

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Benefits of the Physical Properties

High adhesion to composite materials. The glass fibers contain silica similar to filler materials.

Post Core ret. (KN)

Fibrekor 0.422 (0.052)

Luscent 0.308 (0.028)

Cerapost 0.301 (0.040)

Cosmopost 0.296 (0.044)

Source: Al-Harbi FA, Nathanson D. Mechanical and retentive properties of new aesthetic posts. J Dent Tex 80 (AADR Abstracts) 2001, (Boston University, Boston Mass).

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Benefits of the Physical Properties

Flexural strength within the range of healthy teeth and outperforming metal posts, 579 Mpa.

Post Flex. Str. (Mpa)

Fibrekor 277.92 (27.68)

Luscent 579.93

Cerapost 454.25 (105)

Cosmopost 357.37 (9.44)

Source: Al-Harbi FA, Nathanson D. Mechanical and retentive properties of new aesthetic posts. J Dent Tex 80 (AADR Abstracts) 2001, (Boston University, Boston Mass).

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Benefits of the Physical Properties

In Vitro Post-Tooth Retention

0

100

200

300

400

500

600

700

Cerapost Cosmopost Luscent TwinLuscent

FiberKor ParaPost ParaPost(ZOP)

• All posts inserted to same length (9mm)• All posts cemented with resin cement (Bisco) except “ParaPost (ZOP”

that were cemented with zinc phosphate cement (as a control)• All ParaPosts are titanium

(n)

Source: Al-Harbi FA, Nathanson D. BU, 2001

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Benefits Summary

Light transmitting

True root canal shape(tapered end)

Mechanical retention

Elimination of trapped air

Longitudinal glass fibers(post reinforcement)

Conserves sound radicular and coronal structure

Translucent

Anti-rotational

Easy removal

3 diameters of posts

Bondable, resin-based

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Simple Technique

PATHFINDER Reamer PROBOS II

1

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Simple Technique

Diamond Alcohol Air dry

21

OR

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Simple Technique

Etch H20 Air Dry

31

2

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Simple Technique

Bonding Agent Dual-Cure Resin*

4

* Clinicians suggest 4th-generation adhesives/resins

1

3

2

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Simple Technique

Core Build up

Core Preparation

5 61

3

4

LightCure

Insert

2

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Simple Technique Review

1 2 3

4 5 6

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C A S E S T U D Y

Restoring the Endodontically Treated Tooth with Fiber Reinforced Resin Posts

Howard E. Strassler, DMD, FADM, FAGD

Department of Restorative Dentistry

Dental School

University of Maryland

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Indications for fiber posts

• Need for esthetic translucency

• Need for root reinforcement, sealing

and strengthening

• At least 1.5 mm ferrule in the tooth preparation

• Provide for a monoblock system of core bonded to post bonded to tooth

• Create a failsafe design* that if traumatized the tooth crown and post would fracture leaving the root intact

*Indicated by Research

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Important points for post selection

• Posts must transmit light to eliminate gingival and tooth shadowing

• Post should be tapered following the true shape of the root canal and leaving more radicular dentin

• Post should not transmit forces down the root during trauma; the post should dissipate forces and fracture before the tooth and root

• If broken, the post be easily removed

• Post comes in multiple sizes to accommodate different root canal diameters

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• Decision to restore with adhesive composite resin supported by a bondable Twin Luscent Anchor

Preoperative View

• Endodontically treated maxillary lateral incisor with defective Class 3 restorations and an endodontic access opening

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Post Space

• Post space (length) was created by removing the gutta percha with a Pathfinder then a Luscent Reamer

• The length of the canal was determined with a radiograph

• Sized reamers determined the Twin Luscent size to be used

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• Canal was etched for 15 seconds

Anchor Placement

• Twin Luscent Anchor was tried into the canal and length verified

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Rinsing and drying the canal

• Canal was dried with a large paper point

• Canal was rinsed using an endodontic irrigation syringe with water

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Adhesive application

• The adhesive must be either a dual cure or self-cure adhesive compatible with a dual-cure or light-cure composite resin cement

• A 4th-generation adhesive was used with a separate primer and adhesive resin in the root canal

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Cementation of Twin Luscent

• Dual-cure composite resin cement syringe into the canal with a Needle Tube

• Twin Luscent Anchor painted with adhesive

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Anchor placement

• Light cure for 60 seconds

• Twin Luscent Anchor seated into the root canal and cemented

Note, twirling motion used in seating the anchor

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Preparation for all-ceramic crown• The Twin Luscent Anchor was cut

down to the level of the access with a diamond on a high speed handpiece

Restoration of the access and Class 3’s with composite resin. Note, no discoloration of gingiva with Twin Luscent Anchor

• Preparation for an all-ceramic crown

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All ceramic crown cementation

• Dentin primer painted on preparation

• Preparation etched for 15 seconds, rinsed and dried

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All ceramic crown cementation

• All-ceramic crown cemented with dual-cure composite resin cement

• Dual cure adhesive painted on preparation

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Final all-ceramic crown

• The final restoration, highly esthetic and translucent

• Excess cement removed; crown light cured for 30 seconds on facial surface, 30 secondson lingual surface

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Kits

LUT-K1Twin Luscent Starter Kit15 anchors (assorted s,m,l)

with all accessories

LUC-K1*Luscent Starter Kit12 anchors (assorted s,m,l)

with all accessories

Refill Kits

15 anchors (individual size only)

Light transmitting Forms-to-Fit

*Packages of 15 and 30 Anchors available in European and Asian markets

A Leader in Innovation . . . Developing Products in Time for the Future

Light transmitting posts

1990 — Dentatus introduces the firstLight Transmitting Technology

Fiber Resin

1999 — Dentatus introduces the first LightTransmitting Fiberglass Posts

Metal posts

1932 — Dentatus introduces the first Prefabricated Metal Post

Aztec Ti post2003

Luminex1990

Luscent Anchor1999

Twin Luscent

Anchor2002

Surtex Classic1998

Dentatus Classic Posts, adapted incrementally to developing

treatment modes and materials, have stood the test of time.

ClassicGold1932

Classic

Titanium1972

Classic

Stainless Steel1989

Dentatus is committed to bringing you products quickly and in anticipation of market needs

Sweden +46-8-546 509 00U.S.A. 212-481-1010

800-323-3136

For ordering information or to learn more about Dentatus products, please call or visit us at:

www.dentatus.com

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