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Professional setting representing advanced dental implant and periodontal surgical care

Periodontal and dental implant expert witness

Defining the standard of care in implant surgery. A trusted authority in advanced implant reconstruction, translating complex surgical decisions into clear, defensible analysis for counsel and juries.

Litigation Support Services

Expert Analysis for Dental Implant & Periodontal Cases

Dr. Morhaim provides objective, evidence-based opinions in complex dental implant and periodontal litigation matters, supporting attorneys with clear, defensible clinical analysis.

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Expert Witness Services

Dr. Morhaim provides comprehensive expert witness services that include case review and detailed analysis of dental records, preparation of written expert reports, deposition testimony, and trial testimony. His work also includes evaluation of standard of care, as well as clear assessment of causation and clinical outcomes in disputed cases.

Dr. Morhaim’s Clinical Expertise

Dr. Morhaim’s clinical background includes extensive experience in full arch implant reconstruction using both immediate and staged protocols, advanced periodontal surgical management, and complex implant placement and restorative planning. He also has significant experience managing failed or failing implants, coordinating multidisciplinary treatment in complex cases, and performing surgical revision procedures to address complications and restore function.

Case Types

His expert witness work commonly involves dental implant failure and related complications, disputes arising from full arch reconstruction cases, periodontal treatment outcomes, alleged deviations from the standard of care, and assessment of post-operative complications and their contributing factors.

Dr. Morhaim's

Clinical Leadership in Periodontics and Implant Dentistry

Dr. Morhaim holds a Doctor of Dental Surgery degree from Stony Brook School of Dental Medicine and completed advanced training in Periodontics and Oral Biology at Boston University following his residency at Long Island College Hospital. He is a Diplomate of the International Congress of Oral Implantologists, reflecting advanced specialization in implant dentistry.

His leadership experience includes serving as former Director of Periodontics and Oral Implantology at Flushing Hospital Medical Center, where he trained dental residents in surgical and implant procedures.

He has been recognized through multiple professional honors, including features in New York Magazine (2024), Newsday Professional Achievement Awards, recognition as one of “America’s Top Dentists,” and Lifetime Membership status from the New York State Dental Association.

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Engagement

A clear path from retention through records, opinion, and testimony.

  1. 01

    Comprehensive Review

    Detailed analysis of records, imaging, and treatment timelines.

  2. 02

    Standard of Care

    Evaluation of clinical decisions against accepted dental standards.

  3. 03

    Causation Analysis

    Assessment of how specific actions or omissions impacted outcomes.

  4. 04

    Clear Reporting

    Findings delivered in organized, defensible formats for legal proceedings.

Dr. Morhaim in a professional clinical portrait

Professional Background

A higher standard in implant surgery opinions

Dr. Morhaim is a periodontal surgeon with advanced expertise in implant dentistry and full arch reconstruction, recognized for his clinical precision and multidisciplinary approach to complex dental conditions. His work is defined by a strong emphasis on evidence-based treatment planning, surgical execution, and the integration of advanced technologies to improve outcomes in implant and periodontal care. In addition to his clinical practice, he has held leadership and teaching roles within hospital settings, contributing to the training of dental residents and the development of surgical protocols. His background reflects a combination of advanced education, clinical leadership, and ongoing professional recognition within the field of implant dentistry

Doctor of Dental Surgery from Stony Brook School of Dental Medicine, followed by a General Practice Residency at Long Island College Hospital and advanced post-doctoral training in Periodontics, Implantology, and Oral Biology at Boston University.

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Supporting Documentation

Verified Credentials and Case Materials

Access supporting documentation relevant to case evaluation, including professional credentials and engagement materials.

Dr. Morhaim’s credentials and supporting materials are organized to provide attorneys with clear, verifiable insight into his qualifications, training, and prior experience relevant to expert witness work. These materials are intended to support efficient case evaluation, establish professional credibility, and outline the structure of engagement, including documentation commonly required during litigation and pre-trial preparation.

Curriculum Vitae

  • Comprehensive overview of education, training, clinical experience, and professional history.
View CV

Engagement Packet

  • Comprehensive overview of fee structure, engagement terms, and expert witness policies.
Available Upon Request

Deposition and Trial Experience

  • Overview of deposition and trial experience and scope of expert involvement in litigation proceedings.
Available Upon Request

Dental Implant Cases

  • Implant failure (early and late stage)
  • Peri-implantitis and bone loss
  • Improper implant placement or positioning
  • Nerve injury related to implant surgery
  • Implant overload and biomechanical failure
  • Failure of osseointegration
  • Prosthetic complications related to implants

Full Arch Reconstruction

  • All-on-4 / full arch implant complications
  • Immediate load vs. delayed load disputes
  • Treatment planning errors in full arch cases
  • Surgical execution and sequencing issues
  • Prosthetic design and functional failure
  • Complex rehabilitation breakdowns

Periodontal Treatment

  • Misdiagnosis or delayed diagnosis of periodontal disease
  • Improper periodontal treatment planning
  • Surgical periodontal complications
  • Disease progression following treatment
  • Maintenance and recall failures

Surgical Complications

  • Post-operative infections
  • Excessive bone loss or graft failure
  • Sinus perforation or sinus lift complications
  • Soft tissue complications and healing issues
  • Hemorrhage or surgical trauma

Standard of Care

  • Deviation from accepted clinical protocols
  • Inadequate treatment planning
  • Failure to obtain informed consent
  • Improper case selection
  • Documentation deficiencies

Causation & Outcome Disputes

  • Determination of contributing clinical factors
  • Relationship between treatment and outcome
  • Pre-existing conditions vs. treatment-related issues
  • Apportionment of responsibility
  • Evaluation of corrective or revision care

Corrective & Revision Cases

  • Management of failed implant cases
  • Surgical revision procedures
  • Retreatment planning and execution
  • Restoration of function after complications

Certificates & Credentials

Clinical Practice Affiliations

Dr. Morhaim’s clinical practice affiliations and memberships

Dr. Morhaim maintains active clinical roles across multiple multidisciplinary dental practices throughout New York, working alongside teams specializing in advanced implant and restorative care.

Provides periodontal and implant surgical care as part of a modern, multi-location practice serving Queens and surrounding areas.

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Collaborates with a multidisciplinary team in Manhattan, focusing on complex implant procedures and full-arch reconstruction cases.

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Senior Partner and Periodontist within a multi-specialty practice providing comprehensive dental and implant services.

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Ready to discuss your case?

Whether you need an initial screen, a focused records review, or a full expert opinion on implant or periodontal care, the office welcomes inquiries from plaintiff and defense counsel.

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Get In Touch

Location

Serving the New York City Area

Business Hours

Monday - FridayBy appointment
SaturdayBy appointment
SundayClosed

Connect

Professional updates and background on LinkedIn

Vida DentalTribeca Dental StudioGreat Neck Dental

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office today

Use the form for a first contact about a case, records availability, or scheduling. You may also call or email directly using the details on the left.

Sam R. Morhaim, DDS, FICOI, PC

Dental implant surgical expert specializing in complications, failure analysis, and standard-of-care deviations in complex full-arch and grafting cases. Clear analysis for counsel, deposition, and trial.

Hours

Monday - Friday

By appointment

Saturday by appointment

Sunday closed

Contact Information

Serving the New York City Area