Acasă
Diverse
Downloads
Centru frezare
Contact
OSSTEM® US Regular 4.1
Preţ fără TVA92.50LeiPreţ inclusiv taxe110.08LeiÎn stoc
Pagina 1 din 1
Categorii
-
Șuruburi
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- ADIN® Multi-Unit
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Anthogyr® Multi-Unit
- Astra Tech™
- Astra Tech™ EV™
- Astra Tech™ EV Profile™
- Astra Tech™ Multi-Unit
- Bego®
- Bego® Multi-Unit
- BioHorizons® External®
- BioHorizons® Internal®
- BioHorizons® Multi-Unit
- Biomet 3i® Certain®
- Biomet 3i® External®
- Biomet 3i® Multi-Unit
- Biotech®
- BrainBase Corporation®
- Bredent Medical Sky®
- Bredent Medical Sky® Multi-Unit
- BTI INTERNAⓇ
- BTI EXTERNAⓇ
- BTI Angled Converter Multi-Unit
- BTI Multi-Unit
- Camlog®
- Camlog®Conelog
- CAMLOG® CONELOG® Multi-Unit
- CLC Conic
- Cortex®
- CORTEX® Multi-Unit
- Cowellmedi® INNO internal
- C-Tech®
- Deep®
- Dentaurum tioLogicⓇ
- Dentis®
- DENTIS® Multi-Unit
- Dentium®
- DENTIUM® Multi-Unit
- Dentium® NR line
- Dentsply® Ankylos®
- DENTSPLY® Ankylos® Multi-Unit
- Dentsply® XiVE®
- DENTSPLY® Xive® Multi-Unit
- DIO® SM
- DIO® UF
- DIO® Multi-Unit
- Dyna®
- EBI®
- EUROTEKNIKA™ Aesthetica®
- EUROTEKNIKA™ Internal®
- EUROTEKNIKA™ Multi-Unit
- GLOBAL D® tekka®
- Global D® Multi-Unit
- HumanTech RATIO
- Implant Direct® Legacy®
- IMPLANT DIRECTⓇ Inter Active
- IMPLANT DIRECTⓇ Swish Active
- IMPLANT DIRECTⓇ Swish Plus
- IMPLANT DIRECTⓇ Tri Lobe
- IMPLANT DIRECT® Multi-Unit
- INTRA-LOCKⓇ GOLD & BLUE ™
- J DENTAL CARE® JD Evolution®
- J DENTAL CARE® JD Icon®
- J DENTAL CARE® Octa
- J DENTAL CARE® JD Evolution® Plus+
- J DENTAL CARE® JD EVOLUTION® Multi-Unit
- Kentec®
- Keystone PrimaConnex®
- KYOCERA® POIEX
- KYOCERA FinesiaⓇ Bone Level
- LASAK Bioniq®
- Medentis Medical® ICX
- Medentis Medical® ICX Multi-Unit
- MegaGen®
- MEGAGENⓇ AnyridgeⓇ Extra EZ POST
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MEGAGEN® Multi-Unit
- MIS® C1
- MIS® Internal Hexagon
- MIS® Multi-Unit
- NeoBiotech®
- NEODENTⓇ CM
- NEODENTⓇ External
- NEODENTⓇ GM
- NEODENT® Multi-Unit
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- NOBEL BIOCARE® Multi-Unit
- NucleOSS
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- OSSTEM® Multi-Unit
- PLATON®
- SHINHUNG®
- SIC Invent®
- SIC® Multi-Unit
- SOUTHERN IMPLANT Deep Conical
- SOUTHERN IMPLANT MSc External Hex
- SOUTHERN IMPLANT M-Series (Internal Hex)
- SOUTHERN IMPLANTS Tri Nex
- SOUTHERN IMPLANT® Multi-Unit
- STRAUMANN® Bone Level®
- STRAUMANN® Bone Level® Multi-Unit
- STRAUMANN® Screw Retained Abutment®
- STRAUMANN® synOcta®
- STRAUMANN® synOcta® Multi-Unit
- STRAUMANN® Screw Retained Abutment® Multi-Unit
- Sweden & Martina Premium Kohno
- Sweden & Martina Shelta
- Sweden & Martina Prama
- Sweden & Martina® Multi-Unit
- TITANIUM® Fix External
- THOMMEN SPI®
- TRI® Narrow
- TRI® Octa
- TRI® Vent
- WARANTEC® Oneplant
- ZIACOM®
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
- ZIMMER® Tapered Screw-Vent® Multi-Unit
-
Analogi
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Astra Tech™
- AstraTech™ EV™
- Bego®
- Bicon®
- BioHorizons® Internal®
- BioHorizons® External®
- Biomet 3i® Certain®
- Biomet 3i® External®
- Biotech®
- BrainBase Corporation®
- Bredent Medical Sky®
- BTI INTERNAⓇ
- BTI EXTERNAⓇ
- Camlog®
- Camlog®Conelog
- Cortex®
- Cowellmedi® INNO internal
- C-Tech®
- Deep®
- Dentis®
- Dentium®
- Dentium® NR line
- Dentsply® Ankylos®
- Dentsply® XiVE®
- DIO® SM
- DIO® UF
- Dyna®
- EBI®
- EUROTEKNIKA™ Aesthetica®
- EUROTEKNIKA™ Internal®
- GLOBAL D® tekka®
- Implant Direct® Legacy®
- IMPLANT DIRECTⓇ Inter Active
- IMPLANT DIRECTⓇ Swish Active
- IMPLANT DIRECTⓇ Swish Plus
- IMPLANT DIRECTⓇ Tri Lobe
- J DENTAL CARE® JD Evolution®
- J DENTAL CARE® JD Icon®
- J DENTAL CARE® Octa
- J DENTAL CARE® JD Evolution® Plus+
- Kentec®
- Keystone PrimaConnex®
- KYOCERA® POIEX
- LASAK Bioniq®
- Medentis Medical® ICX
- MegaGen®
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MIS® C1
- MIS® Internal Hexagon
- NeoBiotech®
- NEODENTⓇ CM
- NEODENTⓇ External
- NEODENTⓇ GM
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- PLATON®
- SHINHUNG®
- SIC Invent®
- SOUTHERN IMPLANT Deep Conical
- SOUTHERN IMPLANT MSc External Hex
- SOUTHERN IMPLANT M-Series (Internal Hex)
- SOUTHERN IMPLANTS Tri Nex
- STRAUMANN® Bone Level®
- STRAUMANN® Screw Retained Abutment®
- STRAUMANN® synOcta®
- Sweden & Martina Premium Kohno
- Sweden & Martina Shelta
- Sweden & Martina Prama
- TITANIUM® Fix External
- THOMMEN SPI®
- TRI® Narrow
- TRI® Octa
- TRI® Vent
- WARANTEC® Oneplant
- ZIACOM®
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
-
Baze de titan
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Astra Tech™
- AstraTech™ EV™
- Bego®
- Bicon®
- BioHorizons® External®
- BioHorizons® Internal®
- Biomet 3i® Certain®
- Biomet 3i® External®
- Biotech®
- BrainBase Corporation®
- Bredent Medical Sky®
- BTI INTERNAⓇ
- Camlog®
- Camlog®Conelog
- Cortex®
- Cowellmedi® INNO internal
- C-Tech®
- Deep®
- Dentaurum tioLogicⓇ
- Dentis®
- Dentium®
- Dentium® NR line
- Dentsply® Ankylos®
- Dentsply® XiVE®
- DIO® SM
- DIO® UF
- Dyna®
- EBI®
- GLOBAL D® tekka®
- Implant Direct® Legacy®
- Kentec®
- Keystone PrimaConnex®
- KYOCERA® POIEX
- LASAK Bioniq®
- Medentis Medical® ICX
- MegaGen®
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MIS® C1
- MIS® Internal Hexagon
- NeoBiotech®
- NEODENTⓇ CM
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- NucleOSS
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- PLATON®
- SHINHUNG®
- SIC Invent®
- SOUTHERN IMPLANT Deep Conical
- SOUTHERN IMPLANT MSc External Hex
- STRAUMANN® Bone Level®
- STRAUMANN® Screw Retained Abutment®
- STRAUMANN® synOcta®
- Sweden & Martina Premium Kohno
- Sweden & Martina Shelta
- Sweden & Martina Prama
- THOMMEN SPI®
- WARANTEC® Oneplant
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
-
Scan bodies
-
Scanare de model / intraorală
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- ADIN® Multi-Unit
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Anthogyr® Multi-Unit
- Astra Tech™
- Astra Tech™ EV™
- Astra Tech™ EV Profile™
- Astra Tech™ Multi-Unit
- Bego®
- Bego® Multi-Unit
- Bicon®
- BioHorizons® External®
- BioHorizons® Internal®
- BioHorizons® Multi-Unit
- Biomet 3i® Certain®
- Biomet 3i® External®
- BIOMET 3i® Multi-Unit
- Biotech®
- BrainBase Corporation®
- BREDENT Medical SKY® Multi-Unit
- Bredent Medical Sky®
- BTI INTERNAⓇ
- BTI EXTERNAⓇ
- BTI Angled Converter Multi-Unit
- BTI Multi-Unit
- Camlog®
- Camlog®Conelog
- CAMLOG® CONELOG® Multi-Unit
- CLC Conic
- Cortex®
- CORTEX® Multi-Unit
- Cowellmedi® INNO internal
- C-Tech®
- Deep®
- Dentaurum tioLogicⓇ
- Dentis®
- DENTIS® Multi-Unit
- Dentium®
- Dentium® NR line
- DENTIUM® Multi-Unit
- Dentsply® Ankylos®
- Dentsply® XiVE®
- DENTSPLY® Ankylos® Multi-Unit
- DENTSPLY® Xive® Multi-Unit
- DIO® SM
- DIO® UF
- DIO® Multi-Unit
- Dyna®
- EBI®
- EUROTEKNIKA™ Aesthetica®
- EUROTEKNIKA™ Internal®
- EUROTEKNIKA™ Multi-Unit
- GLOBAL D® tekka®
- Global D® Multi-Unit
- HumanTech RATIO
- Implant Direct® Legacy®
- IMPLANT DIRECTⓇ Inter Active
- IMPLANT DIRECTⓇ Swish Active
- IMPLANT DIRECTⓇ Swish Plus
- IMPLANT DIRECTⓇ Tri Lobe
- IMPLANT DIRECT® Multi-Unit
- INTRA-LOCKⓇ GOLD & BLUE ™
- J DENTAL CARE® JD Evolution®
- J DENTAL CARE® JD Icon®
- J DENTAL CARE® Octa
- J DENTAL CARE® JD Evolution® Plus+
- J DENTAL CARE® JD EVOLUTION® Multi-Unit
- Kentec®
- Keystone PrimaConnex®
- KYOCERA FinesiaⓇ Bone Level
- KYOCERA® POIEX
- LASAK Bioniq®
- Medentis Medical® ICX
- Medentis Medical® ICX Multi-Unit
- MegaGen®
- MEGAGENⓇ AnyridgeⓇ Extra EZ POST
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MEGAGEN® Multi-Unit
- MIS® C1
- MIS® Internal Hexagon
- MIS® Multi-Unit
- NeoBiotech®
- NEODENTⓇ CM
- NEODENTⓇ External
- NEODENTⓇ GM
- NEODENT® Multi-Unit
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- NOBEL BIOCARE® Multi-Unit
- NucleOSS
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- OSSTEM® Multi-Unit
- PLATON®
- SHINHUNG®
- SIC Invent®
- SIC® Multi-Unit
- SOUTHERN IMPLANT Deep Conical
- SOUTHERN IMPLANT MSc External Hex
- SOUTHERN IMPLANT M-Series (Internal Hex)
- SOUTHERN IMPLANTS Tri Nex
- SOUTHERN IMPLANT® Multi-Unit
- STRAUMANN® Bone Level®
- STRAUMANN® Bone Level® Multi-Unit
- STRAUMANN® Screw Retained Abutment®
- STRAUMANN® synOcta®
- STRAUMANN® synOcta® Multi-Unit
- STRAUMANN® Screw Retained Abutment® Multi-Unit
- Sweden & Martina Premium Kohno
- Sweden & Martina Shelta
- Sweden & Martina Prama
- TITANIUM® Fix External
- THOMMEN SPI®
- TRI® Narrow
- TRI® Octa
- TRI® Vent
- WARANTEC® Oneplant
- ZIACOM®
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
- ZIMMER® Tapered Screw-Vent® Multi-Unit
-
Scanare de model / intraorală
- Diverse
- Sisteme CAD/CAM
- Decorațiuni
- Centru frezare
- Imprimante 3D
- Consumabile printare 3D
- Block ceramică
- Block ceramică presată
- Block ceramică hibridă
- Procedura retur
- Cuptoare polimerizare
-
CAD/CAM
-
Consumabile CAD/CAM
- Discuri CAD/CAM
-
Bonturi frezabile
-
10mm
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Astra Tech™
- Astra Tech™ EV™
- Bego®
- Bicon®
- BioHorizons® External®
- BioHorizons® Internal®
- Biomet 3i® Certain®
- Biomet 3i® External®
- Biotech®
- BrainBase Corporation®
- Bredent Medical Sky®
- BTI INTERNAⓇ
- BTI EXTERNAⓇ
- Camlog®
- Camlog®Conelog
- CLC Conic
- Cortex®
- Cowellmedi® INNO internal
- C-Tech®
- Deep®
- Dentaurum tioLogicⓇ
- Dentis®
- Dentium®
- Dentium® NR line
- Dentsply® Ankylos®
- Dentsply® XiVE®
- DIO® SM
- DIO® UF
- Dyna®
- EBI®
- GLOBAL D® tekka®
- HumanTech RATIO
- Implant Direct® Legacy®
- Kentec®
- Keystone PrimaConnex®
- KYOCERA FinesiaⓇ Bone Level
- KYOCERA® POIEX
- LASAK Bioniq®
- Medentis Medical® ICX
- MegaGen®
- MEGAGENⓇ AnyridgeⓇ Extra EZ POST
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MIS® C1
- MIS® Internal Hexagon
- NeoBiotech®
- NEODENTⓇ CM
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- NucleOSS
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- PLATON®
- SHINHUNG®
- SIC Invent®
- SOUTHERN IMPLANT Deep Conical
- SOUTHERN IMPLANT MSc External Hex
- STRAUMANN® Bone Level®
- STRAUMANN® Screw Retained Abutment®
- STRAUMANN® synOcta®
- Sweden & Martina Premium Kohno
- Sweden & Martina Shelta
- Sweden & Martina Prama
- THOMMEN SPI®
- WARANTEC® Oneplant
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
-
14mm
- Adin® CloseFit™
- Adin® Touareg™ S&OS
- Alpha-Bio Tec® Internal Hex
- Anthogyr®
- Astra Tech™
- Astra Tech™ EV™
- Bego®
- Bicon®
- BioHorizons® External®
- BioHorizons® Internal®
- Biomet 3i® Certain®
- Biomet 3i® External®
- Biotech®
- BrainBase Corporation®
- Camlog®
- Camlog®Conelog
- Cortex®
- Cowellmedi® INNO internal
- Dentis®
- Dentium®
- Dentium® NR line
- Dentsply® Ankylos®
- Dentsply® XiVE®
- DIO® SM
- DIO® UF
- Dyna®
- EBI®
- GLOBAL D® tekka®
- Implant Direct® Legacy®
- Keystone PrimaConnex®
- KYOCERA® POIEX
- LASAK Bioniq®
- Medentis Medical® ICX
- MegaGen®
- MegaGen® EZ PLUS
- MegaGen® RESCUE
- MIS® C1
- MIS® Internal Hexagon
- NeoBiotech®
- NEOSS Pro Active®
- NOBEL BIOCARE® Active™
- NOBEL BIOCARE® Branemark®
- NOBEL BIOCARE® Replace Select™
- OSSTEM® GS(TS)
- OSSTEM® US
- OSSTEM® SS
- PLATON®
- SHINHUNG®
- SIC Invent®
- STRAUMANN® Bone Level®
- STRAUMANN® synOcta®
- THOMMEN SPI®
- WARANTEC® Oneplant
- ZIMMER®
- ZIMMER® Tapered Screw-Vent®
- ZIMMER® Spline A
- ZIMMER® Spline B
- SOUTHERN IMPLANT Deep Conical
-
10mm
- Freze
- Soluții
-
Attachment-uri
- DIO SM Mini
- DIO SM Regular
- MEGAGEN® EZ Plus Mini
- MEGAGEN® EZ Plus Regular
- MEGAGEN® Rescue External
- MEGAGEN® MegaFix
- OSSTEM® GS (TS) Mini
- OSSTEM® GS (TS) Regular
- OSSTEM® US Mini 3.5
- OSSTEM® US Wide 5.1
- OSSTEM® SS Regular 4.8
- OSSTEM® SS Wide 6.0
- BEGO® 3.25/3.75
- BEGO® 4.1
- BEGO® 4.5
- BEGO® 5.5
- MIS® Internal Hexagon Wide
- STRAUMANN® SynOcta® TL 48(RN)
- STRAUMANN® SynOcta® TL 48(RN) ST_TL_65
- THOMMEN SPI® 3.5
- THOMMEN SPI® 4.0
- BREDENT® MEDICAL SKY 3.5/4.0
- ANTHOGYR® AXIOM
- BTI® INTERNA Mini
- BTI® INTERNA Regular & Wide
- MEGAGEN® MINI
- DENTIS® S-Clean Narrow
- MIS® C1 NARROW
- MIS® C1 STANDARD
- MIS® C1 WIDE
- MIS® Internal Hexagon Standard
- MIS® Internal Hexagon Narrow
- BIOHORIZONS® External® 3.5
- DIO® UF Narrow
- DIO® UF Regular
- IMPLANT DIRECT® Legacy™ 3.0
- DENTIS® I-Clean 6.5
- ASTRA TECH™ EV™ 3.0
- ASTRA TECH™ EV™ 3.6
- ASTRA TECH™ EV™ 4.2
- ASTRA TECH™ EV™ 4.8
- ASTRA TECH™ EV™ 5.4
- NOBEL BIOCARE® Active™ 3.0
- ZIMMER® Eztetic NP(3.1)
- STRAUMANN® Bone Level® 4.1/4.8(RC)
- ASTRA TECH™Yellow 3.0
- ASTRA TECH™Aqua 3.5/4.0
- ASTRA TECH™Lilac 4.5/5.0
- BIOHORIZONS® External® 4.0
- BIOHORIZONS® External® 5.0/6.0
- BIOHORIZONS® Internal® 3.5
- BIOHORIZONS® Internal® 3.0
- BIOHORIZONS® Internal® 4.5
- BIOHORIZONS® Internal® 5.7
- BIOMET 3i®External®M
- BIOMET 3i®External®R
- BIOMET 3i®External®W
- BIOMET 3i®Internal
- BIOMET 3i®Certain® 4.1/5.0/6.0
- CAMLOG®3.3
- CAMLOG®3.8
- CAMLOG®4.3
- CAMLOG®5.0
- CAMLOG®Conelog 3.3
- CAMLOG®Conelog 3.8/4.3
- CAMLOG®Conelog 5.0
- COWELLMEDI® INNO Internal Hex
- DENTIS® I-Clean 4.8
- DENTIS® S-Clean Regular
- DENTIUM® SuperLine
- DENTSPLY®Xive® 3.0
- DENTSPLY®Xive® 3.4
- DENTSPLY® Xive® 3.8/4.5/5.5
- DIO® AMI 48
- IMPLANT DIRECT® Legacy™ 3.5mmD
- IMPLANT DIRECT® Legacy™ 4.5mmD
- IMPLANT DIRECT® Legacy™ 5.7mmD
- KEYSTONE Prima Connex® 5.0
- KEYSTONE Prima Connex® 4.1
- KEYSTONE Prima Connex® 3.5
- MEGAGEN® Anyridge
- MEGAGEN® AnyONE
- NOBEL BIOCARE® Active™ NP 3.5
- NOBEL BIOCARE® Active™ 4.3/5.0
- NOBEL BIOCARE® Branemark® RP 4.0
- NOBEL BIOCARE® Branemark® WP 5.0
- NOBEL BIOCARE® Replace® WP 5.0
- NOBEL BIOCARE® Replace® SW 6.0
- NOBEL BIOCARE® Replace® NP
- NOBEL BIOCARE® Replace® RP
- NEOBIOTECH® IT SYSTEM
- OSSTEM® US Regular 4.1
- STRAUMANN® SynOcta® 3.5(NN)
- STRAUMANN® Bone Level® 3.3
- THOMMEN SPI® 4.5/5.0/6.0
- ZIMMER® Tapered Screw-Ven®T 3.5
- ZIMMER® Tapered Screw-Vent® 4.5
- ZIMMER® Tapered Screw-Vent® 5.7
- ZIMMER® Swiss Plus® 4.8
- DENTSPLY® ANKYLOS®
- NEODENT®
- ADIN® TOUAREG™ S&OS
- BTI INTERNAL 4.1 UNIVERSAL/5.5 WIDE
- BTI INTERNAL 3.5 NARROW
- DENTIUM SimpleLine Platform 4.8
- DENTIUM SimpleLine Platform 6.5
- Intra-Lock Gold&Blue Gs
- Intra-Lock Gold&Blue Gw
- LASAK Bioniq S3.5/4.0/5.0-T4.0/5.0
- Medentis Medical ICX 3.75/4.1/4.8
- NEOBIOTECH IS SYSTEM
- NEOBIOTECH IS ACTIVE SCRP
- NEODENT GM
- SHINHUNG RUNA RP
- SIC Invent 3.3
- STRAUMANN Bone Level SC 2.9
- STRAUMANN BLX RB
- SWEDEN & MARTINA Kohno/Shelta/Prama 3.3
- SWEDEN & MARTINA Kohno/Shelta 3.8
- SWEDEN & MARTINA Kohno 4.25
- Echipamente CAD/CAM
- Discuri CAD/CAM
-
Consumabile CAD/CAM
- Sisteme de injectare
- Compozit
- Sinterizare laser