What To Expect

About Us

We are dedicated to providing the highest level of dental medicine along with friendly, compassionate service.

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New Patients

When you are new to our office, we put in the effort to provide you with a positive and comforting experience.

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Our Services

During each visit, you will be treated by trained professionals who will provide top quality care to prevent dental problems and treat current conditions.

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Welcome To
Lashen Dental Group

Lashen Dental Group in Denville, New Jersey, is the dental practice with a difference, a family difference. Dental expert Stephen Lashen, DDS, works with his beloved daughter, dentist Jessica Klein, DMD, and his son-in-law, dentist Jason Klein, DMD.

Lashen Dental Group has been serving the community since 1979. The work philosophy of the warmhearted dental professionals at this trusted family-run dental practice is that all patients deserve to be treated like family, with personalized and efficient dental care.

Lashen Dental Group incorporates advanced dental technologies and techniques and a fully equipped dental lab to achieve attractive, healthy smiles. Custom restorations like crowns and veneers can often be designed on-site.

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Meet the Providers

Stephen Lashen, DDS

For over 3½ decades, Stephen Lashen, DDS, has been practicing dentistry and helping others enhance their dental health and general wellness in Morris...

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Stephen Lashen, DDS

For over 3½ decades, Stephen Lashen, DDS, has been practicing dentistry and helping others enhance their dental health and general wellness in Morris County, New Jersey. Dr. Lashen is joined by his daughter, Jessica Lashen Klein, DMD, and his son-in-law, Jason Klein, DMD, at Lashen Dental Group in Denville, New Jersey.

Dr. Lashen specializes in cosmetic and general dentistry. He utilizes the latest advanced dental technologies, treatments, and techniques to provide the best possible personalized care. Dr. Lashen offers many effective dental services like Invisalign® teeth straightening, dental implants, veneers, crowns, bridges, and fillings.

Extensive experience and training and the ambition to keep learning are part of what allows Dr. Lashen to provide such high-caliber care. Dr. Lashen graduated from New York University College of Dentistry in New York City and continues expanding his knowledge and skills.

Dr. Lashen stays connected to the wider dental community through membership in the American Dental Association and the New Jersey Dental Association. He is a past president of the Tri-County Dental Association. He serves as chairman of the New Jersey Dental Association’s Council on Relief.

Dr. Lashen educates his patients on how to protect and make the absolute best of their dental health. His goal is to deliver exceptional service that results in beautiful and fully functioning smiles.

Dr. Lashen treats every patient as he would his own family members.

Away from the dental office, Dr. Lashen enjoys tennis, golf, skiing, and playing with his five beloved grandchildren.

Jessica Lashen Klein, DMD

Jessica Lashen Klein, DMD, is a perceptive and highly knowledgeable dental expert serving patients at Lashen Dental Group in Denville, New Jersey. Dr....

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Jessica Lashen Klein, DMD

Jessica Lashen Klein, DMD, is a perceptive and highly knowledgeable dental expert serving patients at Lashen Dental Group in Denville, New Jersey. Dr. Klein works with her father, Stephen Lashen, DDS, and her husband, Jason Klein, DMD.

Dr. Klein cherishes the chance to work alongside her family and share the same purpose of helping others enhance their dental health, general wellness, and quality of life. She specializes in cosmetic dentistry and enjoys working with children.

Dr. Klein graduated from the University of Medicine and Dentistry of New Jersey in Newark. She believes a true expert and professional never stops learning so she enjoys learning and improving her dental knowledge and skills.

Dr. Klein provides a range of dental services like Invisalign® and ClearCorrect® teeth straightening systems, as well as fillings, crowns, and bridges. She’s renowned for her friendly nature and attentive care.

Dr. Klein always strives to deliver the best possible personalized dental care to her patients. She uses innovative technologies and techniques and delights in turning a vision into a dazzling, healthy smile.

When she isn’t at Lashen Dental Group, Dr. Klein is a proud and busy mother of five.

Jason Klein, DMD

Kindhearted and vigilant dentist Jason Klein, DMD, offers a range of high-quality dental treatments at Lashen Dental Group in Denville, New Jersey. Dr...

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Jason Klein, DMD

Kindhearted and vigilant dentist Jason Klein, DMD, offers a range of high-quality dental treatments at Lashen Dental Group in Denville, New Jersey. Dr. Klein works alongside his beloved wife and fellow prestigious dentist, Jessica Klein, DMD, and his father-in-law and fellow gifted dentist, Stephen Lashen, DDS

At Lashen Dental Group, Dr. Klein offers many valuable dental services, including fillings, crowns, bridges, teeth whitening, dental bonding, and Invisalign® teeth straightening.

Dr. Klein attended the University of Pennsylvania in Philadelphia and Yeshiva University in New York City. He graduated from the University of Medicine and Dentistry of New Jersey in Newark and completed a residency at the New York-Presbyterian Queens hospital in Queens, New York.

Dr. Klein has ample experience with cosmetic and general dentistry. His objective is to promote dental wellness and optimal dental hygiene and self-care. Dr. Klein takes time to get to know the unique needs of every individual and determine the best ways to create beautiful, healthy smiles.

From digital dentistry to Invisalign, Dr. Klein researches the best advanced and innovative dental treatments and technology that allows him to continue to deliver the high standard of care his patients have come to expect.

When he isn’t providing exceptional dental care, Dr. Klein is the proud father of five and enjoys spending valuable time with his family.

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