Cheiloscopy is a forensic investigation technique that deals with identification of humans based on lips traces. In the past decades, lip-print studies attracted the attention of many scientists as a new tool for human identification in both civil and criminal issues.
How do you classify lip prints?
The Suzuki and Tsuchihashi’s classification has six types such as Type I ( complete straight), Type I′ (partial straight), Type II (branched groove), Type III (intersected groove), Type IV (reticular groove), and Type V (mixed groove) [10]. Photography technique of taking lip print [9].
What are lip prints called?
The labial mucosa forms a characteristic pattern of skin creases/grooves called lip prints”. Study of lip prints is called Cheiloscopy .
Do lip prints have individual characteristics?
Lip print is unique, has its own individual characteristic for every human being (Saraswathi et al. 2009) and do not change in life (Gondivkar et al. 2009) unless major trauma or disease occurs. Even in twins, lip prints may be similar, but it will not be absolutely identical as proven by Jaishankar (Jaishankar et al.
What kind of crimes are lip prints most commonly found at?
Just like finger print and teeth, lip print can be used as tool for identification. Lip prints are unique and do not change during life of a person. They can be most frequently seen during murders, rapes and burglaries . Traces with clear lines and individual elements enable individual identification of human beings.
Can lip prints be used as evidence?
Lip prints are very useful in forensic investigation for personal identification , as they are considered to be the most important form of transfer evidence, and are analogous to fingerprints. ... As the lip patterns do not change with time, this finding promises the use of lip prints in personal identification.
Are lip prints as unique as fingerprints?
Lip prints and fingerprints are considered to be unique to each individual . The study of fingerprints and lip prints is very popular in personal identification of the deceased and in criminal investigations.
What are the 3 forms of lip prints?
- Type I: A clear-cut groove running vertically across the lip.
- Type I′: Partial-length groove of Type I.
- Type II: A Branched groove.
- Type III: An intersected groove.
- Type IV: A Reticular pattern.
- Type V: Other patterns.
Who is the first classified lip prints for purposes of identification?
The use of lip prints in personal identification and criminalization was first recommended in France by Edmond Locard (Thomas and van Wyk 1988 ). In 1950 Synder was the first person who suggested the idea of using lip prints for identification.
What is lip mark?
Lip prints are defined as normal wrinkles and grooves present in the zone of transition of human lip , between the inner labial mucosa and outer skin, examination of which is known as Cheiloscopy. ... Le Moyne Snyder was the first to introduce a case in which lip prints helped the crime investigators in an unusual way.
How do you collect lip prints?
- Collection of Lip Prints.
- Using a finger printer, preferably a roller.
- By having the subject impress his or her.
- conventional fingerprint developing.
- Figure 2: Developed latent lip print.
- Photography.
- used for a contact print after enlarging to.
- invariably calls for recording the Lip Print.
How many different lip shapes are there?
Researchers have found five types of lip patterns: Type I: vertical lines that run across the entire lips or part of the lips. Type II: branched, y-shaped lines. Type III: intersecting (crossed) lines.
What is the most common type of fingerprint?
Loop . The loop is the most common type of fingerprint. The ridges form elongated loops. Some people have double loop fingerprints, where the ridges make a curvy S shape.
What are lips for?
Lips allow us to chew and swallow with our mouth closed ; to hold onto things like nails and clothes pegs, and to suckle at the breast. But even more importantly, our lips are used in communication. They allow us to smile, to bare our teeth and to kiss.
Can lip prints change?
It has been verified that lip prints recover after undergoing alterations such as minor trauma, inflammation and herpes. However major trauma, any pathosis and surgery to correct it may alter the pattern and morphology of the lip grooves.
Do lip primers work?
Though the lip balm works just fine as an everyday base for lipstick, primer made my lipstick color last the longest , and helped keep my lips hydrated. The primer is a good idea for especially long days, or special occasions.
