Quantcast Anterior and Posterior Teeth. - Dental Anatomy and Physiology

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Custom Search
 
  
 
b. Anterior and Posterior Teeth. As indicated in paragraph 4-1, teeth may be
divided into anterior and posterior groups. Anterior teeth, commonly called "anteriors"
when referred to as a group, include the central and lateral incisors and the cuspids.
Posterior teeth, commonly called "posteriors" when referred to as a group, include the
bicuspids and molars. Anterior teeth differ from posterior teeth in their relative position
within the dental arch. They also differ in their form, their function, and their conformity
to that part of the arch in which they are located.
(1)  Anterior teeth. Anterior teeth are characterized by having single roots
and incisal edges or single-cusped crowns ending in narrow edges. These narrow
edges are designed to incise (bite off) relatively large amounts of food in eating.
Anterior teeth are located in the anterior part of the jaw. They are so aligned as to form
a smooth curving arch from the distal of the cuspid of one side of the arch to the distal
of the cuspid on the opposite side.
(2)  Posterior teeth. Posterior teeth differ from anterior teeth in that they may
have more than one root. They also differ in their form and function. They may also
have multiple cusps forming occlusal surfaces designed to crush and grind food into
small parts.
(a) Bicuspids. Most bicuspids have single roots but may have roots
which are partly or completely bifurcated (over one-half of all maxillary first bicuspids
have such bifurcations). As their name implies, most bicuspids have two cusps. The
mandibular second bicuspid may have either two or three cusps. The three-cusped
bicuspid has two lingual cusps and one buccal cusp.
(b) Molars. Molars are all multirooted (three roots in the maxillary arch
and two roots in the mandibular arch). See figure 4-1. Molars have four or more cusps.
First permanent mandibular molars have five functional cusps. The maxillary first
molars have four functional cusps and the cusp of Carabelli, a nonfunctional cusp
located on the mesioloingual surface. Third molars are commonly called "wisdom
teeth." They resemble second molars but are largely unpredictable as to form, size, and
number of roots.
Figure 4-1. Trifurcated and bifurcated roots.
MD0501
4-3



Medical News
New research shows how to tackle obesity
One size does not fit all when it comes to...
medicalxpress.com
Tweet of the Week: Candy Anatomy
(MedPage Today) -- Here's what happens when a med student...
medpagetoday.com
Someone Wants All That FitBit Data
(MedPage Today) -- Dietitians would be glad to evaluate data...
medpagetoday.com
Teamwork Cuts In-Hospital Observation Time
(MedPage Today) -- Lengths of stay cut substantially at one...
medpagetoday.com
New approaches for early diagnosis of Alzheimer's
Mild cognitive impairment, or MCI, may be one of Alzheimer's...
medicalxpress.com
Endovascular Clot Removal Wins Again (CME/CE)
(MedPage Today) -- Reduced disability with thrombectomy in REVASCAT trial....
medpagetoday.com
Doc Facebook, Avoiding Burnout: Healthcare Career Insights
(MedPage Today) -- Must-reads about the latest news and trends...
medpagetoday.com
Scope wins award for its “creative and effective approach” to promoting academic medicine
We’re happy to announce that Scope is a 2015 GIA...
scopeblog.stanford.edu
Kids with ADHD must squirm to learn, study says
For decades, frustrated parents and teachers have barked at fidgety...
medicalxpress.com
Hospital Leader: An Interview With Toronto's Adina Weinerman, MD
(MedPage Today) -- What strategies can streamline code status documentation?...
medpagetoday.com
Friday Feedback: What's Next for Medicare?
(MedPage Today) -- SGR has been repealed, but what does...
medpagetoday.com
USDA confirms bird flu at 5th South Dakota turkey farm
Five commercial turkey farms in South Dakota have now been...
medicalxpress.com
Glaxo recalls flu vaccine due to potency problem
GlaxoSmithKline is recalling remaining doses of a popular four-in-one flu...
medicalxpress.com
From beef tongue to beef on weck, menus tell culinary story
Before beef on weck and chicken wings became staples of...
medicalxpress.com
Cohen's Brain Bits: Dream On
(MedPage Today) -- REM sleep behaviors offer opportunity for early...
medpagetoday.com
Artificial blood vessel lets researchers better assess clot removal devices
Researchers at the University of California, San Diego School of...
medicalxpress.com
Mortality Equal With Simultaneous vs. Staged Hip Replacement (CME/CE)
(MedPage Today) -- Survival similar after 30 and 90 days,...
medpagetoday.com
Sugar Suppresses Body's Stress Response (CME/CE)
(MedPage Today) -- But soothing effect could have damaging long-term...
medpagetoday.com
Remembering the strange vigils of war through poetry and dance
In his Civil War-era poem, “Vigil Strange I Kept on...
scopeblog.stanford.edu
Review explores challenges of ocular antioxidants for cataracts
(HealthDay)—Delivery of antioxidants to the eye may be a therapeutic...
medicalxpress.com
 


Privacy Statement - Copyright Information. - Contact Us

comments powered by Disqus

Integrated Publishing, Inc.
9438 US Hwy 19N #311 Port Richey, FL 34668

Phone For Parts Inquiries: (727) 755-3260
Google +