Cart totals
| Subtotal | $4,077.59 |
|---|---|
| Shipping | Shipping costs are calculated during checkout. |
| Tax | $0.00 |
| Total | $4,077.59 |
Reid StoneI cannot say enough good things about Cad-Ray and the people involved with this organization. I have purchased equipment over the past few years from them and always been amazed at the non-pushy before the sale help and the after the sale support. ... read moreI cannot say enough good things about Cad-Ray and the people involved with this organization. I have purchased equipment over the past few years from them and always been amazed at the non-pushy before the sale help and the after the sale support. I have been deciding for the last 2 years to make a big purchase of a mill and sintering furnace and Jon has never made me feel like I was bothering him and never pushed me just to try to get a sale. It really is different from other sales experiences I've had with other companies/sales people.Jesse came out and installed and provided training for our new mill and sintering furnace. He went above and beyond what I was expecting to make sure myself and my team knew how everything works during the training. He has also been great with questions we have had since the installation. I just cannot say enough good things about my experience all around and will definitely be a Cad-Ray customer for many years to come. Thank you Cad-Ray! read less - 6/15/2022
Krupal Chhotu
Finally going digital and Cad-Ray was the place to start. Got the Medit i500 and began scanning right away. Now I am doing digital dentures, making my own surgical stents, etc. The support available is the best. "Frank" is always available! :) - 10/09/2019
Medit i500 Intra-Oral ScannerShant Aharonian
Cad-ray has to be the best company to work with when it comes to digital dentistry solutions. Here are the reasons why:
1. Experience. Everyone in the company has extensive experience in dentistry. They have used all digital platforms and offer cust... read moreCad-ray has to be the best company to work with when it comes to digital dentistry solutions. Here are the reasons why:
1. Experience. Everyone in the company has extensive experience in dentistry. They have used all digital platforms and offer customers first hand experience.
2. Honesty. Based on their experience they share all the good/bad of different systems. They work with you to find a solution that works best for you. Not sell you the piece of the equipment that gives them the biggest commission.
3. Support. Cad-ray offers the missing piece of the dentist/digital manufacturer puzzle. Many other distributors sell you a piece of equipment but don’t have true day-to-day experience with that equipment. Cad-ray’s team openly share their expertise to help customers optimize their workflows with great technology.
4. Passion. The Cad-ray team is extremely passionate about their craft. They truly believe in what they have to offer.
I took Armen Mirzayan’s course on intraoral scanning and it was truly mind blowing. Armen’s insights will help any dentist optimize their craft. I purchased the full sprintray 3d printing ecosystem the help of Frank. I plan to purchase more equipment from cad-ray.
Also, Jesse is a genius in regards to all aspect of digital workflows. I’m truly grateful for this company and everyone who I’ve worked with so far. read less - 10/07/2022
Tiffany LeeUpdate to CAD-Ray as this company has morphed into something even better and grander than it was previously. This is the company where you go to when you need a scanner or 3d printer. Their customer service is second to none and their training on sca... read moreUpdate to CAD-Ray as this company has morphed into something even better and grander than it was previously. This is the company where you go to when you need a scanner or 3d printer. Their customer service is second to none and their training on scanners is top level. Don't buy your scanners anywhere else because Cad-Ray is the only company who knows how to solve any of your problems and provides the best technical support. I recently had purchased a software to mill crowns from my medit to my MCXL. No body could get it to work.12 months in and I was resigned to it not working and not being able to mill in house. With Cad-Ray's tremendous hard work, we were able to get the milling unit synchronized to the inlab and inlab synchronized to clinux and clinux meshed to medit. I am now milling scanned crowns for the first time in about 12 months. Yay Cad-Ray, Thank you!!!!! read less - 4/01/2024
Cristy DuvalKaila is an incredible Rep! Hope Cad-Ray knows what a great employee they have. Thank you Kaila! - 12/16/2021michael kim
Great scanner, even better customer support. I text John everyday and he always gets back to me in a timely manner with all my questions. - 7/09/2020Medit i500 Intra-Oral Scanner
Lauren SchulteFrank and the CAD-Ray team are fantastic! They go above and beyond to help their doctors be successful. The CAD-Ray team doesn't just sell you a product and leave you high and dry. Frank is always ready to answer questions and offer support when need... read moreFrank and the CAD-Ray team are fantastic! They go above and beyond to help their doctors be successful. The CAD-Ray team doesn't just sell you a product and leave you high and dry. Frank is always ready to answer questions and offer support when needed. I highly recommend! read less - 1/24/2023P. Andrew Benson
For me, getting this scanner was not a choice between Medit vs Itero or Medit vs Trios. Those companies have already eliminated themselves from consideration based on ridiculous cost, ridiculous ongoing fees, and greater concern for petty proprieta... read moreFor me, getting this scanner was not a choice between Medit vs Itero or Medit vs Trios. Those companies have already eliminated themselves from consideration based on ridiculous cost, ridiculous ongoing fees, and greater concern for petty proprietary posturing than for ensuring full functionality of their products to their usership. Typical dental tech company stuff.
The real decision was between Medit vs continuing life in analog dentistry. Medit through Cad-ray was really the only choice. Awesome packages , awesome access to free training videos, awesome software updates, awesome access to live support, awesome support staff.
There's just nothing better in dentistry than to get a great product AND a chance to stick it to the man. read less - 6/16/2020Medit i500 Intra-Oral Scanner
Aaron GelfandWorked with Laura and she is incredibly knowledgeable. She gave me all the right advice and steered me in the right direction. Her ongoing support is as good as it gets. I feel like I have a 24 hour team at my beckoning call. For the meat and pot... read moreWorked with Laura and she is incredibly knowledgeable. She gave me all the right advice and steered me in the right direction. Her ongoing support is as good as it gets. I feel like I have a 24 hour team at my beckoning call. For the meat and potatoes. I got an Icam 4D from her and now I am printing all on 4 arches same day surgery at our practice in Denver(NUSET). We are going to put ICams and Trios’ in all our offices thanks to Laura and the Cad-Ray team. If you have any questions about the workflow and the success we are having with the Digital work flow call Laura and I will help you succeed with her product support.Thank you Laura and Cad-Ray! read less - 4/28/2022Asi Cohen
Armen Mirzayan's knowledge base sets CAD-RAY.COM apart from all other digital dental-equipment dealers. Not content with linking manufacturer support content, Armen's team provide instant feedback to any equipment queries, in-depth video tutorials, a... read moreArmen Mirzayan's knowledge base sets CAD-RAY.COM apart from all other digital dental-equipment dealers. Not content with linking manufacturer support content, Armen's team provide instant feedback to any equipment queries, in-depth video tutorials, and regular product testing, streamlining, and pushing the boundaries of their products - be it software, hardware, or connectivity between various brands. I highly recommend this team if you want to fully utilise your equipment and have the backup needed going forward! read less - 11/05/2019
CAD-Ray.com Membership
A CKaila and Laura were amazing to work with. I would not hesitate to buy again from them. Super helpful/available and one of the best experiences I’ve had making such a big investment in equipment like I had to make for my practice. Way to go Cad Ray f... read moreKaila and Laura were amazing to work with. I would not hesitate to buy again from them. Super helpful/available and one of the best experiences I’ve had making such a big investment in equipment like I had to make for my practice. Way to go Cad Ray for running a solid business! read less - 11/15/2024
Richard SalvatoreI purchased a Medit Scanner from Cad Ray and the entire experience has been phenomenal. Their customer service is top notch and always accessible by text! I have FaceTimed Frank more than once during a hectic day to help me with my scanner. Thanks te... read moreI purchased a Medit Scanner from Cad Ray and the entire experience has been phenomenal. Their customer service is top notch and always accessible by text! I have FaceTimed Frank more than once during a hectic day to help me with my scanner. Thanks team! read less - 6/19/2020Sherif Gabr
I have been suing the Medit i500 scanner for a little over 2 months now and I have had great success. I have used it for implant cases, immediate dentures and single unit crowns.
What I like the most is that the software is continuously improving ... read moreI have been suing the Medit i500 scanner for a little over 2 months now and I have had great success. I have used it for implant cases, immediate dentures and single unit crowns.
What I like the most is that the software is continuously improving and adding new features.
You really can not ask for more than that! Great product, excellent support and a software development team that listens to their customers feedback!
Very happy with my purchase!!! read less - 2/26/2020Medit i500 Intra-Oral Scanner
Sello Magabane
Magificent trading platform and great overall trading experience, I have been using this broker service for quite some time and I am truly satisfied with the services, Swift withdrawals and prompt customer service Perfect and honest broker company, I... read moreMagificent trading platform and great overall trading experience, I have been using this broker service for quite some time and I am truly satisfied with the services, Swift withdrawals and prompt customer service Perfect and honest broker company, I really had a great time trading with this broker company Withdrawal is fast and services are all efficient i invested $1,000 and made a profit of $11,150 within a week, if you are looking for a good forex trader quickly contact Mrs Sandra Billy Via,
WhatsApp:+1(512) 893-1587
Email:sandrabilly500@gmail.com read less - 9/06/2022
Abhinav BhatnagarWe have been using the scanner for a few weeks now. It’s been a blast to use and they have made it easy to learn with video tutorials. We have yet to go to the training, but we are excited to continue learning and expanding our digital dentistry. - 6/19/2020Page Barden
I have just recently purchased the Medit i700, and although it is "on its way" I have to comment on the support that I have already received, especially from Nick. He walked me through the benefits and features of the scanner and the transaction was... read moreI have just recently purchased the Medit i700, and although it is "on its way" I have to comment on the support that I have already received, especially from Nick. He walked me through the benefits and features of the scanner and the transaction was extremely easy. I can only think that the rest of the onboarding will be the same and in six months I will revisit this site and be extremely grateful I made the purchase. read less - 12/09/2021
Medit i700
AJ GanirCadray has great support and service! They are very responsive to questions. Love the new medit scanner! - 5/06/2021Christopher Godla
I have had my Medit i700 scanner for about 2 months now and have completed 67 restorative cases with it. Scans have generally been pretty quick, and the accuracy seems to be superior to the iTero I used. My first scanner ended up dying after a few ... read moreI have had my Medit i700 scanner for about 2 months now and have completed 67 restorative cases with it. Scans have generally been pretty quick, and the accuracy seems to be superior to the iTero I used. My first scanner ended up dying after a few weeks. Medit and cad-ray were great- they sent a new scanner within the week and haven't had any problems since. Customer service has been spot on. Overall I have been very satisfied. read less - 6/30/2021Medit i700
Ray VollerThere’s nothing like a company with top notch support like Cadray! Frank DeLuca is one of THE most helpful, non- condescending people I’ve ever dealt with! He ALWAYS strives to make us the BEST we can be and almost immediately helps us with any quest... read moreThere’s nothing like a company with top notch support like Cadray! Frank DeLuca is one of THE most helpful, non- condescending people I’ve ever dealt with! He ALWAYS strives to make us the BEST we can be and almost immediately helps us with any questions or problems ( which are minimal with the i700!) HIGHLY recommend this company and their scanner!! read less - 10/06/2022Michael Dickerson
Great experience purchasing my Medit through them. Always there if I have questions too. Thanks again! - 6/16/2020
Johnny Vredenburg IIIBefore working with cad-ray, I was hesitant to dive into digital dentistry due to the complexity of it. Working with Laura at cad-ray made all of my concerns go away. She was there to help me with my Exocad software installation, even outside of norm... read moreBefore working with cad-ray, I was hesitant to dive into digital dentistry due to the complexity of it. Working with Laura at cad-ray made all of my concerns go away. She was there to help me with my Exocad software installation, even outside of normal business hours - really hard to come by! I also purchased a Medit i500 and getting that setup and working in my clinic was seamless. I could not have asked for better support while navigating digital dentistry. My next purchase will be a 3D printer, and i know exactly where i will buy it from! Highly recommend these guys. read less - 11/20/2020Linsay N Brandon Jarvis
As a lab we see a lot of scans. Great quality and easy to create great restorations from the Medit offices that send us work.- Jarvis dental lab - 1/29/2019
Rodney Baier
Cad ray has been very nice to work with. Excellence service and support since I bought my Medit scanner - 6/16/2020
Todd HaskinThe medit is one of the best scanners on the market with the best price. Cad ray's support and training is phenomenal and they are very quick to respond. We work with Laura. Highly recommend. - 12/16/2021
Ashley GuariscoCad-Ray's customer service has been amazing since day one! From getting a quote to setting everything up and doing my first scan. Everyone has been super helpful! Heather Gramley has been awesome, it's like having a tech in my back pocket! They offer... read moreCad-Ray's customer service has been amazing since day one! From getting a quote to setting everything up and doing my first scan. Everyone has been super helpful! Heather Gramley has been awesome, it's like having a tech in my back pocket! They offer tons of training videos and offer one on one training. I would 10/10 recommend them for all of your scanning needs! read less - 11/21/2022Tommy Han
Awesome service. Bought a Medit and was able to learn how to use it simply by watching Cad-Ray's support and education videos. Three thumbs up! - 6/16/2020
Ellen Huang
Armen created series of these very helpful videos. They helped us tremendously in breaking into the new scanner we purchased. No matter you just got into digital dentistry or you are quite experienced with different fields of data acquiring or treatm... read moreArmen created series of these very helpful videos. They helped us tremendously in breaking into the new scanner we purchased. No matter you just got into digital dentistry or you are quite experienced with different fields of data acquiring or treatment planning, you will find those being tremendous help. read less - 5/24/2020CAD-Ray.com Membership
Cary GanzOne of the best companies I've dealt with in decades of dental practice. Not only is the product excellent but the support both personally and online has been just wonderful. - 8/08/2021
Yoav TaubI purchased my Medit from Cad-Ray just prior to Covid and they have been fantastic in getting me the proper training on the machine, both through there 2 day class as well as the many video's they post on the website. I recently purchased some acce... read moreI purchased my Medit from Cad-Ray just prior to Covid and they have been fantastic in getting me the proper training on the machine, both through there 2 day class as well as the many video's they post on the website. I recently purchased some accessories for a different office and they accidently sent it somewhere else. After a quick email they had my stuff at my door within 24 hrs and they threw in a box of tips which I was not expecting (around $300). It is a pleasure to deal with them! read less - 7/19/2021
Matt McReynoldsThese guys are ALWAYS there to help if you get stuck. I’ve been happy with the mill (coritec one) and scanner (i500) I bought from them 2 years ago. I’d do business with them again. - 7/01/2021Matt Reith
Love my Medit! Can’t beat the quality, and the price is even better! Also, great people who are always willing to help! - 6/16/2020
Artin SakhaeeThe support is even better then the camera itself. I used many other scanners and this is by far the best one. Recommended to many people. Looking to purchase a second one for my practice. The use and results are amazing. No adjustments to the p... read moreThe support is even better then the camera itself. I used many other scanners and this is by far the best one. Recommended to many people. Looking to purchase a second one for my practice. The use and results are amazing. No adjustments to the prosthetics at all. read less - 7/15/2020
Yu GanGreat company. Pioneer in digital dentistry. Armen knows his stuff. Hands down the go to scanner reseller in the US. Support and training courses are incredible. - 10/02/2022
Island Dental LabJust got my Medit IOS delivered last week and the service from Jon was great! I had a ton of questions before placing the order and he happily answered. This is the type of customer support many dental suppliers are missing. Great company to work wit... read moreJust got my Medit IOS delivered last week and the service from Jon was great! I had a ton of questions before placing the order and he happily answered. This is the type of customer support many dental suppliers are missing. Great company to work with. read less - 6/23/2020Mital Patel
Cad-ray has been awesome with support and training! I got the medit in 2018 and couldn’t imagine practicing without it! Armen and frank somehow seem to be available at all hours of the day, and I can typically have them remote in same day if I need a... read moreCad-ray has been awesome with support and training! I got the medit in 2018 and couldn’t imagine practicing without it! Armen and frank somehow seem to be available at all hours of the day, and I can typically have them remote in same day if I need any help. read less - 6/16/2020
Brandon EricksonI have strong feelings about how great CAD-Ray has been. I purchased a medit i500 scanner from my lap, they wanted to use it for courses which aren't happening now so he didn't want to be sitting with this expensive piece of technology sitting aroun... read moreI have strong feelings about how great CAD-Ray has been. I purchased a medit i500 scanner from my lap, they wanted to use it for courses which aren't happening now so he didn't want to be sitting with this expensive piece of technology sitting around. Before purchasing he and I both talked to the Nobel sales rep who assured me that everything would transfer over just fine. I was concerned about the learning curve and wanted to be sure that I would have tech support. I asked the rep directly and he assured me again that everything would be great and he would come do an in-depth training with me. Long story short, the sales rep had no clue what he was doing and put very little effort in to helping me once the purchase was complete. I asked him over the phone how to do a few things and his response was to call CAD-Ray. They explained that this happens, they would love to help me but asked that I purchase the service package. That was a game changer. Now all of my questions getting answered, their response time is amazing and their understanding of the machine is by far better then the Nobel reps. The scanner is great but combine that with their tech support and I feel like I'm set up for success. If I were to do this again, I would skip the headache of trying to save a little bit of money and purchase it through CAD-Ray. But even with making the mistake, I feel like they have programs and support set up to point me in the right direction. read less - 10/15/2020
Milton RuizBest customer service I have ever experienced from any company I have worked with! They alway answer the phone and are ready to help with whatever question you may have. Love that I do not have to press 500 buttons to get to a live person. Bought my... read moreBest customer service I have ever experienced from any company I have worked with! They alway answer the phone and are ready to help with whatever question you may have. Love that I do not have to press 500 buttons to get to a live person. Bought my Medit from them and could not be happier with decision! read less - 12/20/2022
Robert CrosbyThe i700 is the second scanner I have purchased. It is hands down far superior in terms of quality and ease of use than my first scanner (3M Tru Def). I was hesitant to enter the market again but wanted to mainly for implant reasons. After talking... read moreThe i700 is the second scanner I have purchased. It is hands down far superior in terms of quality and ease of use than my first scanner (3M Tru Def). I was hesitant to enter the market again but wanted to mainly for implant reasons. After talking with Laura and watching her presentation with my staff, we were sold! The i700 was extremely reasonable in price while being similar to units costing twice as much. CAD-Ray made this possible. I found their on line training to be adequate in learning the necessary skills to start scanning, I continue to watch these videos as I sharpen my skills. Initially I was concerned about the on line training. But now I actually prefer this way of training as it is self paced and you always have the library of videos to watch when needed. Laura has been there to answer questions and help me whenever needed and I’m talking on nights and weekends too! I admit I was was extremely hesitant to get another scanner, especially with an online outfit; but I have no regrets and highly recommend CAD-Ray and Laura for anyone needing a scanner! They provide excellent services. read less - 4/23/2022Karam ALrousan
i purchased medit intraoral scanner a year ago, other than the scanner is great, the customer service is outstanding whenever j need help or have a question they are ready instantly to answer my questions, cant ask for better customer service. - 6/16/2020
Dino MantisI purchased the Medit700 a couple of months ago. I have the Cerec Primescan and what a difference!!! The Medit is easy to use and efficient!!! They have a great support system> Laura Geney is amazing. She is almost like being on call anytime I have a... read moreI purchased the Medit700 a couple of months ago. I have the Cerec Primescan and what a difference!!! The Medit is easy to use and efficient!!! They have a great support system> Laura Geney is amazing. She is almost like being on call anytime I have a question. If she is not available (which was only once) the person that helped me logged in and took care of my problem!! I highly recommend this scanner!!! read less - 12/30/2021
Dennis WongBest support ever. They are super responsive when a problem occurred, and immediately set up a support ticket with the vendor who contacted me within the hour to help me to solve the problem. - 7/27/2023Jennifer Ebner
After using the medit i500 scanner at an office as an employee, I purchased it from Cad-ray,com specifically because of their good reviews and their large, concise training library of videos. I've used CEREC as an instructor at a dental school and bo... read moreAfter using the medit i500 scanner at an office as an employee, I purchased it from Cad-ray,com specifically because of their good reviews and their large, concise training library of videos. I've used CEREC as an instructor at a dental school and bought a used Planscan, Planmill for my private office. Both were hard to learn and the fees and cost associated with training were a bitter pill to swallow after the costs to purchase. The ease of seating restoration was instant. The scanning learning curve is quick. I have easily added occlusal guard scanning, and implant scanning and will be trying a digital denture soon.
The purchase was easy, the product came quickly and the set-up videos guided me through very necessary adjustments to my Laptop I never knew I needed. Learning the new features with each FREE update is a treat. The DIY option was an extra bonus as the $2000 rebate came without having to ask for it. Cad-ray has delivered more than I expected with the purchase of the fantastic Mediti500 scanner.
I've included my cart set up. purchased from Amazon for $68. Its stable, has room for the necessities. I've taken it home and back to the office half a dozen times and it transports the scanner safely. It also keeps the cords from being run over. I haven't taken the included 2 day course but look forward too it after Social Distancing mandates are lifted. read less - 4/25/2020
Medit i500 Intra-Oral Scanner for the D.I.Y. Dentist - Get this scanner for $16,000 after our rebate!
Cole SmithThese guys are great. My favorite part about them is they set you up for success with your products. A lot of dental companies will be happy to sell you big ticket tech item but don't have much to set you up for success. I bought the Medit i500 and t... read moreThese guys are great. My favorite part about them is they set you up for success with your products. A lot of dental companies will be happy to sell you big ticket tech item but don't have much to set you up for success. I bought the Medit i500 and they have tons of videos on how to get it working and working well for you in your office. If you need a much of hand holding they have that our if you are like me and like the do it yourself videos they have that. I am sure you can buy these products all over but it is there service that sets them apart. If to are looking to buy some dental tech use these guys! read less - 6/05/2020Dong Lim
One of the best investments I’ve made for my office. A fraction of the cost compared to cerec. No monthly club fee. Easy maintenance. Saving a ton on lab costs. Milling and designing crowns is honestly my favorite things to do now. - 6/29/2020
IMES ICORE CORiTEC ONE
arthur lyfordI cannot say enough about the support I have received from the beginning. I chose CadRay ultimately because of the support reviews...I can attest first hand...they are all right on...though I have been practicing for more than 35 years, this old dog ... read moreI cannot say enough about the support I have received from the beginning. I chose CadRay ultimately because of the support reviews...I can attest first hand...they are all right on...though I have been practicing for more than 35 years, this old dog has been taught a lot of new tricks from the support staff at Cad Ray...Truly impressed with every interaction so far! Thanks 10/4/2023 And they did it again today with ten minutes before the pt came in 3Shpe server would not connect with the computer and Andy got to 3Shape directly and had us up and running...thankfully I didn't have to call anyone but CadRay...thanks again.... read less - 10/05/2023
LauraVery helpful and attentive when setting up my new Medit scanner. Seamless process from start to finish - 10/28/2024Stuart Adam
Amazing team!
Andy was amazing with explaining everything needed to be successful with the medit i700 and encouraged me to give CADRAY a call if I have any questions in the future. I have some colleagues that have regarded CADRAY as the gold stand... read moreAmazing team!
Andy was amazing with explaining everything needed to be successful with the medit i700 and encouraged me to give CADRAY a call if I have any questions in the future. I have some colleagues that have regarded CADRAY as the gold standard for service and I can now say that I completely agree. Thank you! read less - 12/27/2021Medit i700blakesherrick-q6S
The Medit i700 is a game changer in speed and overall comfort for patients. I find it much smaller than other brands and have done almost 50 appliances/aligner cases the past 2 months with no fit issues from my lab. Love this scanner!
Dr. Sherric... read moreThe Medit i700 is a game changer in speed and overall comfort for patients. I find it much smaller than other brands and have done almost 50 appliances/aligner cases the past 2 months with no fit issues from my lab. Love this scanner!
Dr. Sherrick
Auburn Lakes Orthodontics read less - 8/24/2021Medit i700
John EumLove all the staff there. Great support and instruction from Armen, Laura, Damien. We are very grateful for Kaila who has been incredible in getting us going - very friendly, professional and responsive. Thank you! - 7/03/2024Benjamin Polan
A while ago I became interested in an intra oral scanner for my office especially for dental sleep medicine and TMJ appliances. I searched online for Medit and found cad ray. Laura from Cad-ray quickly responded and set up a zoom meeting so she could... read moreA while ago I became interested in an intra oral scanner for my office especially for dental sleep medicine and TMJ appliances. I searched online for Medit and found cad ray. Laura from Cad-ray quickly responded and set up a zoom meeting so she could demo the unit. Great job at helping me understand. She set up the financing and I got my unit. A few glitches with my internet speed and getting IT to help with my upload and download speeds and I was ready to go. Every time I had a question I texted Laura and almost like she was waiting for my call she responds. We it turned out my unit wasn't just right so she immediately responded we will replace you unit. Laura has been a joy to work with and the customer service given will only encourage me to do business with cad-ray again.
Benjamin Polan DMD, D,ABDSM read less - 8/27/2021Medit i700
Home » Cart