David J. Pettigrew, DMD

Insurance
10 reasons why dental claims are denied
In today's economic environment, nothing can set a dentist's teeth on edge faster than rejected insurance claims. Most dental insurance companies agree, though, that many claims are denied for some common, easily correctable reasons.
May 31, 2009
2009 05 21 16 34 07 897 Insurance 70x70
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Top Stories
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Legal Issues
Dentist accused of touching staff makes plea deal
A dentist's career ended in a sexual misconduct plea deal and potential prison time.
Illustration of a human brain with a puzzle piece missing.
Brain
What you may not know about gum disease, cognitive functioning
Headshot of Dr. Jennifer You, founder and owner of Lumos Dental.
Endodontics
'But it doesn’t hurt.' How to talk to patients about cracked teeth before they break.
Close-up of a bright smile showing white teeth with a visible dental implant in the lower jaw.
Endodontics
New research explains why implant infections defy antibiotics
The DrBicuspid.com Podcast cover image, featuring a masked cartoon dentist, a microphone, and sound wave graphic.
Privacy
Dr. Lorne Lavine on the dental cybersecurity and AI risks heading into 2027
More in Home
Dentist accused of touching staff makes plea deal
By Melissa Busch
A dentist's career ended in a sexual misconduct plea deal and potential prison time.
November 5, 2026
A judge's wood gavel rests on a sound block with a hand signing a document in the background.
What you may not know about gum disease, cognitive functioning
By Melissa Busch
Gum health might secretly predict an individual's future performance and dementia risk.
November 5, 2026
Illustration of a human brain with a puzzle piece missing.
'But it doesn’t hurt.' How to talk to patients about cracked teeth before they break.
By Dr. Jennifer You
Dr. Jennifer You explains how to talk with patients about asymptomatic cracked teeth, weighing the risks of treating now verus waiting.
November 5, 2026
Headshot of Dr. Jennifer You, founder and owner of Lumos Dental.
New research explains why implant infections defy antibiotics
By Karie Neeley Anderson
Titanium particles released by corrosion trap macrophages in an inflammatory state, which may explain why antibiotics so often fail.
November 5, 2026
Close-up of a bright smile showing white teeth with a visible dental implant in the lower jaw.
Dr. Lorne Lavine on the dental cybersecurity and AI risks heading into 2027
By Kevin Henry
Antivirus software, Dr. Lorne Lavine says, isn’t enough. AI is changing ransomware, and here's what to ask before adopting AI into your practice.
November 5, 2026
The DrBicuspid.com Podcast cover image, featuring a masked cartoon dentist, a microphone, and sound wave graphic.
Tariffs, Medicaid cuts, and a Dec. 11 deadline: What the midterms' Blue Wave could mean for dentistry
By Kevin Henry
DTA policy adviser Chris Rorick explains what the midterms mean for tariffs, Medicaid cuts, a funding deadline, and dentist reimbursement.
November 4, 2026
Multiple voting booths with American flags and 'VOTE' text at a polling location.
Dentist accused of killing woman sentenced
By Melissa Busch
A dentist accused of driving drunk and killing a woman who was walking her dog near her home in 2025 was sentenced.
November 4, 2026
An unidentified man wearing an orange jumpsuit grasps his jail cell's bars.
Dentists seem to take TMD treatment personally
By Melissa Busch
There may be a surprising link between dentists' personal lives and TMD treatment, according to a new study.
November 4, 2026
A male dentist talkds with a teen female patient. Behind them is a modern, white dental operatory.
Opinion: Biocompatibility belongs in every restorative decision
By Dr. Jessica Shireman
Restorative decisions, one dentist argues, must weigh biocompatibility, not just mechanical strength.
November 4, 2026
Close-up of hands typing on a laptop computer.
Start where you are: A practical first step for AI in dental practices
By Kevin Henry
Practices should map how they really work before adopting AI, says marketing consultant Heather Porter. Here's where they should start.
November 4, 2026
The DrBicuspid.com Podcast promotional graphic featuring a masked dentist, a microphone, and sound wave graphics.
Pediatric dentist gets probation for lax infection control
By Melissa Busch
Multiple infection control failures were exposed at a pediatric dental practice, resulting in a dentist's probation.
November 3, 2026
Close-up of two business professionals meetings; one holds a pen and a clipboard while the other has his hands clasped.
When dental disease delays surgery: A case for closer medical-dental communication
By Dr. Anna K. McGuire
Siloed dental and medical care is harming cardiac, obstetric, and head and neck cancer patients, a hospital clinician says.
November 3, 2026
Female dentist wearing blue scrubs and a mask examines a patient sitting in a dental office chair.
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